Boulder, CO · Colorado
Boulder County
ZIP 80305
328,317 residents1,775 permits TTM$102,772 median HHI18 ZIP codesUpdated April 16, 2026
Investor first look
Median home value
$713,900
ACS 5-Year
Cap rate proxy
3.2%
FMR × 0.65 ÷ Home Value
Rent-to-income
22.1%
HUD FMR ÷ ACS HHI
Net migration
+3.01%
IRS SOI
Permits (TTM)
1,775
Census BPS
Climate risk
90.7
FEMA NRI (0–100)
ZIP 80305
Median home value
—
Gross yield
—
Buy Box score
0.1
Section 8 gap
—
Affordability
P/I: 9.4R/I: 43.1%
Section 8 detail
SAFMR: —Rent: —Gap: —
ZIP code breakdown18 ZIP codes
| ZIP | Median home value | Rent (FMR 2BR) | Gross yield | Buy Box score ↓ | Section 8 gap |
|---|---|---|---|---|---|
| 80501 | — | — | — | 0.5 | — |
| 80540 | — | — | — | 0.4 | — |
| 80026 | — | — | — | 0.2 | — |
| 80466 | — | — | — | 0.2 | — |
| 80301 | — | — | — | 0.2 | — |
| 80303 | — | — | — | 0.1 | — |
| 80503 | — | — | — | 0.1 | — |
| 80305 | — | — | — | 0.1 | — |
| 80027 | — | — | — | 0.1 | — |
| 80302 | — | — | — | 0.0 | — |
| 80304 | — | — | — | 0.0 | — |
| 80025 | — | — | — | — | — |
| 80310 | — | — | — | — | — |
| 80455 | — | — | — | — | — |
| 80471 | — | — | — | — | — |
| 80481 | — | — | — | — | — |
| 80510 | — | — | — | — | — |
| 80544 | — | — | — | — | — |
Sort by any column. Click a ZIP for detail.
Demographics
Owner-occupied
62.5%
Census ACS
Vacancy rate
5.3%
Census ACS
Bachelor's degree +
63.9%
Census ACS
Rent burdened
57.1%
Census ACS (>30% income)
Median age
37.5
Census ACS
U.S. Census Bureau — American Community Survey 5-Year Estimates
U.S. Census Bureau — Building Permits Survey
U.S. Department of Housing and Urban Development — Fair Market Rents / Small Area Fair Market Rents (SAFMR)
Internal Revenue Service — Statistics of Income Migration Data
FEMA — National Risk Index
Last updated: April 16, 2026