Knox County, OH Demographics & ZIP Codes
Knox County, Ohio demographics and median household income by ZIP code — 8 ZIP codes — population 63,297 — avg. income $76,415 — avg. home value $238,414. Compare income, housing, and ZIP-level data on US5.
Knox County demographics
Knox County, Ohio covers 8 ZIP codes, with a combined ZIP-area population of about 63,297.
Median household income in Knox County
The average median household income across ZIP codes in Knox County, Ohio is about $76,415 — about 7% above the OH ZIP average ($71,257), and about even with the U.S. median ($75,149).
Among ZIPs with income data, 43011 (Centerburg) is near the top at about $97,929, while 43014 (Danville) is near the bottom at about $63,239.
Housing in Knox County
For housing in Knox County, Ohio, the average median home value is about $238,414 and the average median rent is about $662.
The most populous ZIP is 43050 (Mount Vernon) with about 30,360 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Knox County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 43050 | Mount Vernon | Knox County | OH | 30,360 | $65,044 | $199,000 |
| 43019 | Fredericktown | Knox County | OH | 9,517 | $70,317 | $196,300 |
| 43028 | Apple Valley | Knox County | OH | 8,063 | $89,543 | $241,300 |
| 43011 | Centerburg | Knox County | OH | 6,978 | $97,929 | $287,300 |
| 43014 | Danville | Knox County | OH | 4,185 | $63,239 | $198,600 |
| 43022 | Gambier | Knox County | OH | 3,621 | $87,717 | $281,600 |
| 43005 | Bladensburg | Knox County | OH | 308 | $71,327 | — |
| 43037 | Martinsburg | Knox County | OH | 265 | $66,204 | $264,800 |
Frequently asked questions
What are the demographics of Knox County?
Knox County, Ohio has a combined ZIP-area population of about 63,297 across 8 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Knox County?
The average median household income across ZIP codes in Knox County, Ohio is about $76,415, about 7% above the state ZIP average ($71,257), and near the U.S. median ($75,149). Average median home value is about $238,414. Among ZIPs with data, 43011 (Centerburg) is near the top ($97,929) and 43014 (Danville) is near the bottom ($63,239).
How many ZIP codes are in Knox County?
Knox County, Ohio includes 8 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Knox County?
This page lists ZIP codes in Knox County, Ohio with population, median household income, and home value. Select a ZIP for a full demographics profile.