Sioux City, IA-NE-SD · South Dakota

Union County

ZIP 57038

16,916 residents301 permits TTM$84,137 median HHI4 ZIP codesUpdated April 16, 2026
Investor first look

Median home value

$269,500

ACS 5-Year

Cap rate proxy

4.7%

FMR × 0.65 ÷ Home Value

Rent-to-income

15.0%

HUD FMR ÷ ACS HHI

Net migration

+1.95%

IRS SOI

Permits (TTM)

301

Census BPS

Climate risk

37.1

FEMA NRI (0–100)

ZIP 57038

Median home value

Gross yield

Buy Box score

0.7

Section 8 gap

Affordability

P/I: 4.5R/I:

Section 8 detail

SAFMR: Rent: Gap:
ZIP code breakdown4 ZIP codes
ZIPMedian home valueRent (FMR 2BR)Gross yieldBuy Box scoreSection 8 gap
570010.9
570250.9
570380.7
570490.7

Sort by any column. Click a ZIP for detail.

Demographics

Owner-occupied

71.3%

Census ACS

Vacancy rate

4.2%

Census ACS

Bachelor's degree +

36.5%

Census ACS

Rent burdened

36.2%

Census ACS (>30% income)

Median age

40.4

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