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Washington County, Iowa ZIP code demographics

13 ZIP Code Tabulation Areas in Washington County, Iowa. The population-weighted median household income is about $72,159, the median home value about $192,763, and 73.5% of occupied homes are owner-occupied.

13
ZIP codes
45K
Population
53
Data points

Washington County at a glance

$72,159
Median household income
$192,763
Median home value
39.8
Median age
73.5%
Owner-occupied
18,719
Housing units

Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.

Top 5 Washington County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
152201Ainsworth1,14883.3%$93,750
252247Frytown5,91471.7%$91,450
352621Crawfordsville60481.3%$87,188
452327Hills3,79680.9%$86,942
552654Coppock1,88481.8%$84,783
Top 5 Washington County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
152641Mount Pleasant12,42867.7%$64,512
252353Washington9,24167.7%$63,047
352247Frytown5,91471.7%$91,450
452327Hills3,79680.9%$86,942
552738Columbus Junction3,39880.2%$80,385
Top 5 Washington County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
152641Mount Pleasant12,42867.7%$64,512$204.4M
252353Washington9,24167.7%$63,047$164.7M
352247Frytown5,91471.7%$91,450$138.7M
452327Hills3,79680.9%$86,942$92.5M
552738Columbus Junction3,39880.2%$80,385$74.8M

Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.

Densest: 52247 (Frytown) at 73 people/sq mi. Least dense: 52540 (Brighton) at 11 people/sq mi.

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