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O'Brien County, Iowa

O'Brien County covers 573 sq mi of land and has about 14,126 residents. 8 zip codes lie mainly within it, spread across 8 cities and towns. Zip codes that only partly reach into the county are listed on each zip's own page.

Population
14,126
25/sq mi
Median household income
$68K
U.S. $81K
Median home value
$173K
U.S. $333K
Median rent
$868
U.S. $1,413
Median age
39.5
U.S. 38.9
Poverty rate
13.3%
U.S. 12.5%

Cities and towns

Zip codes in O'Brien County

8 total
ZipCityPopulationIncome
51009Calumet113$58,750
51022Granville960$96,505
51046Paullina1,326$84,125
51058Sutherland1,096$63,036
51231Archer562$108,058
51245Primghar1,377$69,531
51248Sanborn1,534$64,375
51346Hartley2,247$72,426

O'Brien County at a glance

Compared with the U.S.

Household income distribution

<$25k
14%
$25–50k
19%
$50–75k
20%
$75–100k
15%
$100–150k
18%
$150–200k
9%
$200k+
4%

Highest education (adults 25+)

No diploma
9%
High school
34%
Some college
19%
Associate's
16%
Bachelor's
17%
Graduate
5%

How people get to work

Drove alone
79%
Carpooled
10%
Transit
0.3%
Walked
3%
Bicycle
0.1%
Worked from home
7%
Other
0.7%

At a glance

O'BrienU.S.
Own their home76.1%65.2%
Bachelor's degree or higher22%35.7%
Work from home7.1%15.1%
Households with broadband90.1%91%
Without health insurance3%8.4%
Foreign-born4.4%14.1%
Veterans (of adults)6.2%6.2%
Unemployment1%5.2%
Average commute19 min26.4 min