O'Brien County, IA ZIP codes

14 ZIP/ZCTAs intersecting this county.

ACS 2023 population

14,103

Median household income

$68,216

Median home value

$158,900

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: County O'Brien County (GEOID 19141). Methodology

Combined population of ZIP/ZCTAs intersecting this county: 18,989 (14 ZIPs).

Combined population of ZIP/ZCTAs intersecting this county. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census county ACS headline above. Methodology

ZIP/ZCTA overlap with O'Brien County

Population overlap

Share of each ZIP/ZCTA’s population located within O'Brien County, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

51009100.0%
Directory county
5102232.0%
510294.8%
5104699.1%
Directory county
510471.5%
5105898.9%
Directory county
5120188.7%
Directory county
51231100.0%
Directory county
512321.4%
5123811.5%
51245100.0%
Directory county
5124897.3%
Directory county
5134692.2%
Directory county
513502.9%

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting O'Brien County

ZIP	City	County	Population	Income
51009	Calumet	O'Brien County	131	$53,125
51022	Granville	Sioux County	966	$91,133
51029	Larrabee	Cherokee County	226	$79,688
51046	Paullina	O'Brien County	1,407	$81,389
51047	Peterson	Clay County	739	$93,125
51058	Sutherland	O'Brien County	1,020	$61,833
51201	Sheldon	O'Brien County	6,226	$70,592
51231	Archer	O'Brien County	543	$105,388
51232	Ashton	Osceola County	713	$79,250
51238	Hospers	Sioux County	1,483	$82,634
51245	Primghar	O'Brien County	1,264	$78,958
51248	Sanborn	O'Brien County	1,643	$60,809
51346	Hartley	O'Brien County	2,211	$60,179
51350	Melvin	Osceola County	417	$72,708