zipcodemax
← All Ohio counties

Knox County, Ohio ZIP code demographics

16 ZIP Code Tabulation Areas in Knox County, Ohio. The population-weighted median household income is about $72,613, the median home value about $233,916, and 76% of occupied homes are owner-occupied.

16
ZIP codes
94.2K
Population
53
Data points

Knox County at a glance

$72,613
Median household income
$233,916
Median home value
40.6
Median age
76%
Owner-occupied
39,338
Housing units

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

Top 5 Knox County ZIP codes by median household income
#ZIPCityPopulationHomeowner %Median HH $
143022Gambier3,63580.6%$94,712
243028Apple Valley7,79991.6%$91,186
343011Centerburg6,59490%$90,121
443080Martinsburg5,32179.1%$87,301
544813Bellville8,99479.4%$77,846
Top 5 Knox County ZIP codes by population
#ZIPCityPopulationHomeowner %Median HH $
143050Mount Vernon31,07467.5%$64,108
243019Fredericktown9,44582.2%$68,104
344813Bellville8,99479.4%$77,846
443028Apple Valley7,79991.6%$91,186
543011Centerburg6,59490%$90,121
Top 5 Knox County ZIP codes by Homeowner GDP
#ZIPCityPopulationHomeowner %Median HH $Homeowner GDP
143050Mount Vernon31,07467.5%$64,108$533.7M
243028Apple Valley7,79991.6%$91,186$251.1M
344813Bellville8,99479.4%$77,846$213.4M
443011Centerburg6,59490%$90,121$206.8M
543019Fredericktown9,44582.2%$68,104$192.2M

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: 43050 (Mount Vernon) at 202 people/sq mi. Least dense: 43843 at 14 people/sq mi.

Other counties in Ohio

See all Ohio counties →