Iowa

Plymouth County

ZIP 51001

25,699 residents100 permits TTM$81,600 median HHI9 ZIP codesUpdated April 16, 2026
Investor first look

Median home value

$218,600

ACS 5-Year

Cap rate proxy

4.7%

FMR × 0.65 ÷ Home Value

Rent-to-income

12.7%

HUD FMR ÷ ACS HHI

Net migration

+0.99%

IRS SOI

Permits (TTM)

100

Census BPS

Climate risk

49.2

FEMA NRI (0–100)

ZIP 51001

Median home value

Gross yield

Buy Box score

0.7

Section 8 gap

Affordability

P/I: 2.7R/I:

Section 8 detail

SAFMR: Rent: Gap:
ZIP code breakdown9 ZIP codes
ZIPMedian home valueRent (FMR 2BR)Gross yieldBuy Box scoreSection 8 gap
511090.8
510010.7
510280.7
511080.6
510310.6
510380.6
510500.6
510240.3
51062

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Demographics

Owner-occupied

73.7%

Census ACS

Vacancy rate

5.2%

Census ACS

Bachelor's degree +

23.9%

Census ACS

Rent burdened

27.0%

Census ACS (>30% income)

Median age

41.1

Census ACS

Data sources
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