Census ACS · ZIP Code Tabulation Area

51231 Income Statistics for 2026

O'Brien County, Iowa

Median household income

$108,058

Median household income ($108,058) is higher than O'Brien County County ($71,339).

51231$108,058
O'Brien County County$71,339
51046$84,125
51009$58,750
51346$72,426
51201$68,799
51248$64,375

Average household income

$97,427

Average household income ($97,427) is higher than O'Brien County County ($84,607).

51231$97,427
O'Brien County County$84,607
51046$94,251
51009$85,182
51346$84,500
51201$83,846
51248$82,772

Per-capita income

$22,575

Per-capita income ($22,575) is lower than O'Brien County County ($34,692).

51231$22,575
O'Brien County County$34,692
51046$45,310
51009$38,419
51346$36,968
51201$34,229
51248$36,815

Households earning $100k+

61.0%

Households earning $100k+ (61.0%) is higher than O'Brien County County (32.0%).

5123161.0%
O'Brien County County32.0%
5104635.2%
5100928.0%
5134633.1%
5120130.9%
5124826.8%

All demographics

Population
562
Households
141
Median age
15.1 yrs
Median household income
$108,058
Mean household income
$97,427
Per capita income
$22,575
Median home value
$189,500
Median gross rent
Owner-occupied housing
94.3%
Bachelor's degree or higher
33.5%
In labor force
77.9%
Poverty rate
29.7%
Households earning $100k+
61.0%
Population under 5
17.8%
Population age 18–34
20.6%
Population age 25–44
28.8%
Population age 45–64
8.4%
Population age 65+
5.9%
Hispanic or Latino
0.2%
Black (non-Hispanic)
0.0%
Asian (non-Hispanic)
0.0%
Unemployment rate
0.0%
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/51231

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Permanent URL backed by Census ACS data in PocketBase.

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