Portland-South Portland, ME
New England's quiet construction leader. Portland spans 3 Maine counties and 552,916 residents, with 3,079 building permits in the trailing twelve months — 5.57 per 1,000 residents, well above the national pace. The FHFA HPI climbed 66.5% over five years on a $379,500 median home value, and unemployment sits at just 2.7%.
The numbers that matter most
What an investor checks first when sizing up a new metro — affordability ratio, rent vs income, cap rate proxy, and where the market is moving. Each metric shown vs. state and national medians for instant context.
moderate
Price to income
4.28×
The single most-cited 'is this market still cheap' check. Below 3× and you're in an affordability tailwind.
- vs Maine
- 3.45×
- vs U.S.
- 3.43×
Benchmark
ACS median home value ÷ median HHI
moderate
Rent to income
29.8%
What share of a typical household's income goes to rent. Below 30% means tenants can absorb modest rent increases.
- vs Maine
- 29.8%=
- vs U.S.
- 23.3%
Benchmark
(HUD FMR 2BR × 12) ÷ median HHI
deal-by-deal
Cap rate proxy
4.5%
Rough first-pass yield assuming a 35% expense ratio. Not an underwriting number — a 'is this even worth modeling' filter.
- vs Maine
- 5.3%
- vs U.S.
- 4.3%+0.2
Benchmark
(FMR 2BR × 12 × 0.65) ÷ ACS median home value
steady
Net migration
+0.19%
Forward-looking demand signal. Positive net migration drives rent growth and absorbs new supply.
- vs Maine
- 0.19%=
- vs U.S.
- 0.03%+0.16
Benchmark
IRS net migration ÷ population
pipeline accelerating
Permit pipeline
5.57
permits per 1,000 residents
Forward-supply indicator. Above ~5 means the metro is building meaningfully relative to its size; below 2 means supply is tight.
- vs Maine
- 3.96+1.61
- vs U.S.
- 3.52+2.05
Benchmark
Census BPS permits TTM ÷ population × 1,000
very tight labor market
Unemployment
2.7%
Tighter unemployment means higher wages, more rental demand, lower vacancy.
- vs Maine
- 3.3%-0.6
- vs U.S.
- 3.9%-1.2
Benchmark
BLS LAUS, latest month
Section index — click any row to jump
What the data says about Portland
Portland is the metro that builds like a Sun Belt city but prices like New England — and the numbers explain why. The metro stretches across 3 southern Maine counties and 552,916 residents, and the FHFA House Price Index climbed 66.5% over five years per the Federal Housing Finance Agency, outpacing both the Maine metro average and the U.S. metro average (46%). That appreciation sits on top of a $379,500 median home value and a $88,602 median household income, producing a 4.28x price-to-income ratio — moderate by national standards but above the Maine state median (3.45x). BLS unemployment runs at just 2.7% (Bureau of Labor Statistics LAUS), and the metro pulled 3,079 building permits in the trailing twelve months per the Census Building Permits Survey — 5.57 per 1,000 residents, well above the national pace of 3.52.
The construction story is broad-based but Cumberland County drives the volume.
- Cumberland County (Portland, South Portland) holds 303,357 residents and 1,571 permits TTM — 51% of the metro total, up +19.6% YoY. Median household income runs $92,983 against a $411,400 median home value. The county anchors both the metro's healthcare corridor (Maine Medical Center, Mercy Hospital) and its tech cluster (idexx, WEX).
- York County spans the southern coast with 212,691 residents and 1,272 permits, up +11.6% YoY. Median home value sits at $357,200 — more affordable than Cumberland, drawing families commuting from Biddeford and Saco.
- Sagadahoc County is the breakout story: 236 permits on just 36,868 residents, surging +107.0% YoY. Bath Iron Works — the Navy shipbuilder — and Brunswick Landing (the redeveloped Naval Air Station) anchor the demand side. Median home value of $300,200 is the lowest in the metro.
- The permit mix leans single-family but carries a meaningful multifamily component: 1,878 single-family permits (61%) and 1,032 units in the 5+ category (34%). Portland is building density, not just houses.
What's changing: net migration landed at +1,028 returns in the most recent IRS Statistics of Income vintage — +0.19% of metro population. The top origin counties outside the metro tell the story: Middlesex County, MA (697 returns), Strafford County, NH (591), and Rockingham County, NH (500). This is the Greater Boston and southern New Hampshire spillover corridor — professionals trading $3,500/month rents in the Cambridge-Somerville belt for $2,202 Fair Market Rent in Portland (HUD FMR). Unemployment at 2.7% runs well below both the Maine state median (3.3%) and the national median (3.9%). The labor market is tight — healthcare, defense, and insurance are recession-resistant anchors.
So what does an investor do with this?
- If you're hunting cash flow, Portland is a grind. The 4.5% cap rate proxy is a deal-by-deal market — the math works on well-positioned multifamily in York County (lower entry at $357,200) but not on premium Cumberland County single-family. Sagadahoc's $300,200 median is the value play.
- If you're playing appreciation, the trend is real and structurally supported. 66.5% over five years on a tight labor market (2.7% unemployment), strong in-migration from Greater Boston, and a permit pipeline that — while aggressive — still barely keeps pace with demand in Cumberland County. Steady compounding, backed by New England scarcity.
- If you already own here, hold and reinvest. The 16.9% vacancy rate reflects seasonal and vacation housing stock (typical of coastal Maine), not overbuilding. The Boston migration pipeline keeps long-term tenant demand stable. Focus on Sagadahoc County — the +107% permit surge signals where institutional capital is concentrating around the BIW defense corridor.
Where prices are and where they've been
FHFA House Price Index — repeat-sales index across the metro, sized against this metro's median household income and benchmarked against the Indiana metros average and U.S. metros average.
5-year price appreciation
+66.5%
FHFA HPI · Q1 2020 → Q4 2025
+5.2% YoY
$379,500 median home value
Portland home prices climbed 66.5% over the last 5 years according to the FHFA repeat-sales index — a strong appreciation pace for a Midwest metro of this size. The 1-year change of 5.2% is still running hot.
See the chart below for how the metro's appreciation curve stacks up against the Indiana metros average and the U.S. metros average. The gap between the metro and the national line is the "catch-up" or "lag" signal — and the slope tells you whether the gap is widening or closing.
How to read it
- 01Portland's HPI gained **66.5%** over five years — outpacing both the Maine metro average and the U.S. metro average (46%) by a wide margin.
- 02The teal line sits **above** the state and national curves across the entire period — Portland started higher and climbed faster, with the gap widening from mid-2021 onward.
- 03The steepest leg runs from Q2 2021 to Q2 2022, when the HPI jumped from **333** to **410** — a pandemic-era surge driven by remote-worker migration to coastal Maine.
- 04A brief plateau held from Q3 to Q4 2022 (**415**), followed by steady re-acceleration through 2025. No down quarters in the final 8.
- 05Year-over-year HPI growth stands at **5.2%** — healthy compounding, not speculative spikes. Portland closed Q4 2025 at **507.88** vs. the national average of **358**.
Where the value tier sits — top 3 counties by home value
| County | Median home value | Median HHI | Price-to-income | Verdict |
|---|---|---|---|---|
| Cumberland County | $411,400 | $92,983 | 4.42× | moderate |
| York County | $357,200 | $82,904 | 4.31× | moderate |
| Sagadahoc County | $300,200 | $82,080 | 3.66× | moderate |
How to read the FHFA House Price Index
FHFA HPI is a repeat-sales index — it tracks the price change of the same properties over time, smoothing out new construction and luxury transactions. It's built from the mortgage data the GSEs (Fannie Mae, Freddie Mac) already see, which makes it free of MLS survey error and immune to listing-feed gaps.
- 01Repeat-sales method. Tracks the same properties over time, so new construction and luxury transactions don't skew the trend.
- 02Federally sourced. Built from GSE mortgage data — no MLS survey error, no commercial license required to publish.
- 03Slope, not level. Watch the slope of the line, not the absolute index value — a steepening curve is a more reliable buy signal than the level.
The rent ladder
HUD Fair Market Rent by bedroom count, sized against this metro's median household income and benchmarked vs Indiana and the U.S.
Typical 2-bedroom rent
$2,202
/ month · HUD FMR FY 2026
29.8% of median HHI
A typical 2-bedroom in costs the median household 29.8% of their income — 6.5 points above the U.S. average (23.3%) right at Maine (29.8%).
HUD calls anything above 30% "rent-burdened." This metro sits comfortably under that line, which means tenants can absorb modest rent increases — and landlords have headroom on rent hikes before pushing tenants out of the market.
Fair Market Rent — by bedroom count
| Bedroom | Monthly | Annual | % of median HHI | Verdict |
|---|---|---|---|---|
| 1 BR | $1,678 | $20.1K | 22.7% | comfortable |
| 2 BR | $2,202 | $26.4K | 29.8% | moderate |
| 3 BR | $2,640 | $31.7K | 35.8% | rent-burdened |
Why HUD Fair Market Rent matters
FMR is HUD's 40th-percentile rent estimate by bedroom count — refreshed every fiscal year, sourced from Census surveys (not commercial listing data), and used as the cap for Section 8 voucher payments. Three things investors should know:
- 01Defensible benchmark. Federal source, no commercial license required to publish or compare against.
- 02Section 8 ceiling. A property at or below FMR is voucher-eligible — government-paid rent at the FMR cap.
- 03Conservative estimate. 40th percentile means more than half of actual market rents in the metro come in higher.
Labor market direction
U.S. Bureau of Labor Statistics — LAUS (unemployment) + CES (nonfarm employment), benchmarked against the U.S. average.
Unemployment rate
2.7%
BLS LAUS · latest month
Portland's labor market is tight, with unemployment running at 2.7% — 1.2 points below the U.S. metros average (3.9%).
For an investor, tighter unemployment means higher wages, more rental demand, and lower vacancy. The trend chart below shows how the metro's unemployment has moved over the last 30 months.
Unemployment rate
2.7%
Nonfarm jobs
—
Median household income
$88,602
ACS 5-year
How to read the labor market
Two BLS series tell you almost everything you need about a metro's labor market: LAUS (unemployment, refreshed monthly) and CES (nonfarm payroll counts, refreshed monthly). LAUS is the tightness signal; CES is the size and direction signal.
- 01Unemployment is rental demand. Tighter labor markets mean higher wages and lower vacancy — landlords have pricing power when employers are competing for workers.
- 02YoY change is the trend signal. A negative pp YoY change means the labor market tightened over the last year — usually a leading indicator for rent growth.
- 03Nonfarm growth is supply absorption. Positive nonfarm payroll growth absorbs new housing supply and supports the rent + price trajectory together.
What's being built
U.S. Census Bureau, Building Permits Survey — trailing 12 months, broken out by structure type, with the YoY change as the directional signal.
Total permits TTM
3,079
Census BPS · trailing 12 months
+23.0% year-over-year
5.57 permits per 1,000 residents
Portland pulled 3,079 building permits over the trailing 12 months, a meaningful jump 23.0% year-over-year. That works out to 5.57 permits per 1,000 residents, vs the U.S. metros average of 3.52.
Single-family vs multifamily mix matters: 5+ unit permits are lumpy (developers file for entire projects at once), while single-family permits are smoother and more reliable as a demand signal. The chart below breaks out the monthly mix.
Single family
1,878
trailing 12 months
2–4 unit
169
trailing 12 months
5+ unit
1,032
trailing 12 months
How to read the supply pipeline
Census BPS publishes building permit counts every month at the county level, by structure type. Single-family permits are the smooth signal — they reflect ongoing builder demand. 5+ unit permits are lumpy and project-level — one apartment approval can spike a month.
- 01Permits per 1,000 residents. The size-adjusted comparison number. Above ~5 means the metro is building meaningfully relative to its population; below 2 means supply is tight.
- 02YoY change is the direction. Year-over-year change in TTM permits tells you whether builders are leaning in or pulling back. Watch this number for trend reversals.
- 03Mix matters for cap rates. Heavy 5+ unit permitting tends to compress cap rates; single-family-dominated pipelines preserve them.
All 3 counties, ranked by population
Census Bureau (population, ACS demographics) + Census Building Permits Survey.
How to read it
- 01Cumberland County leads with **1,571 permits** (51% of metro total), up **+19.6% YoY** — the Portland-proper side of the metro, anchoring both single-family and multifamily growth.
- 02York County follows at **1,272 permits**, up **+11.6% YoY** — the southern corridor stretching toward the New Hampshire border, with steady mid-density construction.
- 03Sagadahoc County doubled its output: **236 permits**, surging **+107.0% YoY** — the smallest county by population (37K) but the fastest-growing by percentage, centered around Bath and the BIW shipyard.
- 04Metro-wide permits are up **23.0% YoY**, with all 3 counties posting positive growth — this is broad-based construction, not concentrated in one jurisdiction.
How to read the map
- 01Cumberland County (darkest shade) anchors the center-north — home to Portland and South Portland, the metro's economic core with **1,571 permits**.
- 02York County (medium shade) spans the southern tier along the coast and the New Hampshire border — **1,272 permits** on 213K residents.
- 03Sagadahoc County (lightest shade) sits to the northeast as the metro's smallest county — just **236 permits** on 37K residents, but surging +107% YoY around the Bath shipyard corridor.
- 04The metro hugs the southern Maine coastline — all 3 counties are contiguous, running from the New Hampshire line northeast along the Atlantic coast.
| # | County | Population | Median HHI | Home value | Permits TTM | YoY |
|---|---|---|---|---|---|---|
| 1 | Cumberland County | 303,357 | $92,983 | $411,400 | 1,571 | +19.6% |
| 2 | York County | 212,691 | $82,904 | $357,200 | 1,272 | +11.6% |
| 3 | Sagadahoc County | 36,868 | $82,080 | $300,200 | 236 | +107.0% |
Similar metros nationally
5 metros closest to Portland by population and median household income — head-to-head on the metrics that matter for an investor.
Peer set
5
metros nearest by population + HHI
Best in 1 of 2 comparable metrics
Portland is closest in size to Lancaster, Modesto, Huntsville, Reno. best in class on Cap rate proxy.
The table below ranks every metric — green cells mark the best value in the column, rust cells mark the worst. Portland is highlighted as the focal row.
| Metro | Pop | Med HHI | Home value | P/I | Cap proxy | HPI 5y | Permits/1k | Migration | Unemp |
|---|---|---|---|---|---|---|---|---|---|
★Portland | 0.55M | $89K | $380K | 4.28× | 4.5% | +66.5% | 5.57 | +0.19% | 2.7% |
Lancaster, PA | 0.55M | $84K | $279K | 3.34× | 4.3% | +60.2% | 2.76 | -0.03% | 2.7% |
Modesto, CA | 0.55M | $80K | $427K | 5.36× | 3.2% | +36.2% | 1.96 | -0.03% | 6.8% |
Huntsville, AL | 0.49M | $84K | $265K | 3.17× | 3.9% | +55.2% | 8.70 | +0.31% | 1.9% |
Reno, NV | 0.49M | $85K | $474K | 5.60× | 3.1% | +41.9% | 4.91 | +0.32% | 4.0% |
Fayetteville-Springdale-Rogers, AR | 0.55M | $78K | $273K | 3.51× | 3.8% | +71.7% | 16.99 | +0.38% | 3.1% |
How to read this comparison
Peer metros are picked by population + median household income — the closest five matches nationally — so the comparison is apples-to-apples on size and economic class. Sun Belt entrants like Las Vegas and Nashville are included when they fall in range, which is why this peer set spans both the Midwest and the Sun Belt.
- 01Green = best in column. The cell with the most-favorable value for that metric, accounting for whether higher or lower is better.
- 02Rust = worst in column. The cell with the least-favorable value. Combined with the green markers, this is your at-a-glance "where does my metro win and where does it lose."
- 03Cap proxy is the yield lens. Cap rate proxy = (FMR 2BR × 12 × 0.65) ÷ median home value. A first-pass yield filter, not an underwriting number — but it puts the peer set on a single comparable scale.
Where people are moving in from
IRS Statistics of Income — Tax Year 2022. Excludes intra-metro suburban churn.
Net migration
+1,028
tax returns · IRS SOI · TY 2022
+0.19% of metro population
2,171 from top origin
Portland absorbed a net +1,028 tax returns in the most recent IRS vintage — a +0.19% inflow on a metro of 553K. The top origin counties outside the metro itself tell the story: Middlesex County, MA (697 returns) and two New Hampshire counties — Strafford (591) and Rockingham (500). This is the Greater Boston and southern NH spillover corridor.
The IRS data lags by ~2 years (households file taxes the year after they move), but it's the only nationwide county-to-county migration data sourced from administrative records, not survey estimates. The table below shows the top origin counties — the gravitational sources of new residents.
Top origin counties — where new residents are coming from
| Origin county | Tax returns |
|---|---|
| Cumberland County, ME | 2,171 |
| York County, ME | 1,435 |
| Androscoggin County, ME | 775 |
| Middlesex County, MA | 697 |
| Strafford County, NH | 591 |
| Rockingham County, NH | 500 |
Who lives in Portland
U.S. Census Bureau · American Community Survey 5-Year Estimates · 2019–2023 vintage.
Who lives here
- Median age
- 43.7
- Owner-occupancy
- 73.1%
- Bachelor's+
- 44.6%
Portland mature Midwest metro: Median age 43.7, 73.1% owner-occupancy 44.6% holding a bachelor's degree or higher. Stable, educated, and mostly homeowner-driven.
The catch: 43.3% of renter households are rent-burdened (paying 30%+ of income on rent) — high enough to flag as a constraint on rent growth even though the headline rent-to-income ratio looks comfortable.
- Median household income
- $88,602
- Median age
- 43.7
- Bachelor's+ degree
- 44.6%
- Owner-occupancy rate
- 73.1%
- Vacancy rate
- 16.9%
- Rent burdened (30%+)
- 43.3%
Data sources
| Metric | Source | Type | Vintage |
|---|---|---|---|
| Home prices | FHFA — House Price Index | Index | Q4 2025 |
| Fair market rents | HUD — Fair Market Rents | Administrative | FY 2026 |
| Unemployment rate | BLS — Local Area Unemployment Statistics | Survey | Jan 2026 |
| Nonfarm employment | BLS — Current Employment Statistics | Survey | Jan 2026 |
| Building permits | Census — Building Permits Survey | Survey | Mar 2026 TTM |
| Migration flows | IRS — Statistics of Income, Migration Data | Administrative | Tax Year 2022 |
| Demographics | Census — American Community Survey 5-Year | Survey | 2019–2023 |
| Household income | Census — American Community Survey 5-Year | Survey | 2019–2023 |
Page last refreshed: April 10, 2026