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Census ACS · ZIP Code Tabulation Area

51031 Income Statistics for 2026

Plymouth County, Iowa

Median household income

$76,525

Median household income ($76,525) is lower than Plymouth County County ($82,673).

51031$76,525
Plymouth County County$82,673
51024$114,219
51050$92,500
51038$95,893
51028$78,000
51062—

Average household income

$92,229

Average household income ($92,229) is lower than Plymouth County County ($98,424).

51031$92,229
Plymouth County County$98,424
51024$121,897
51050$116,488
51038$100,639
51028$100,107
51062$92,657

Per-capita income

$38,599

Per-capita income ($38,599) is lower than Plymouth County County ($40,326).

51031$38,599
Plymouth County County$40,326
51024$48,658
51050$42,233
51038$37,652
51028$41,829
51062$45,682

Households earning $100k+

31.5%

Households earning $100k+ (31.5%) is lower than Plymouth County County (38.0%).

5103131.5%
Plymouth County County38.0%
5102463.1%
5105047.8%
5103847.4%
5102838.6%
5106243.8%

All demographics

Population
12,808
Households
5,217
Median age
39.0 yrs
Median household income
$76,525
Mean household income
$92,229
Per capita income
$38,599
Median home value
$222,800
Median gross rent
$928
Owner-occupied housing
65.1%
Bachelor's degree or higher
21.9%
In labor force
71.6%
Poverty rate
8.3%
Households earning $100k+
31.5%
Population under 5
5.9%
Population age 18–34
21.0%
Population age 25–44
25.4%
Population age 45–64
24.2%
Population age 65+
17.2%
Hispanic or Latino
9.5%
Black (non-Hispanic)
4.6%
Asian (non-Hispanic)
0.1%
Unemployment rate
2.6%
Open in interactive explorer

County and peer ZIP comparisons use population-weighted aggregates from other ZCTAs in the same county. Source: US Census Bureau ACS 5-year estimates. Page URL: https://resource.skyrocketbpo.com/tools/market-research/us-income-demographics-by-zip-code/iowa/51031

Link to this page

Permanent URL backed by Census ACS data in PocketBase.

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