ZIP codes
8
Union County, OH Demographics & ZIP Codes
Union County, Ohio demographics and median household income by ZIP code — 8 ZIP codes — population 50,217 — avg. income $88,729 — avg. home value $209,888. Compare income, housing, and ZIP-level data on US5.
Population
50,217
Median household income (avg.)
$88,729
118% of U.S. median
Average home value
$209,888
60% of U.S. median
Average rent
$876
75% of U.S. median
Union County demographics
Union County, Ohio covers 8 ZIP codes, with a combined ZIP-area population of about 50,217.
Median household income in Union County
The average median household income across ZIP codes in Union County, Ohio is about $88,729 — about 25% above the OH ZIP average ($71,257), and about 18% above the U.S. median ($75,149).
Among ZIPs with income data, 43045 (Milford Center) is near the top at about $102,868, while 43036 (Magnetic Springs) is near the bottom at about $64,500.
Housing in Union County
For housing in Union County, Ohio, the average median home value is about $209,888 and the average median rent is about $876.
The most populous ZIP is 43040 (Marysville) with about 37,582 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Union County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 43040 | Marysville | Union County | OH | 37,582 | $96,320 | $275,700 |
| 43344 | Richwood | Union County | OH | 6,049 | $80,087 | $218,300 |
| 43358 | West Mansfield | Union County | OH | 2,628 | $86,742 | $204,400 |
| 43045 | Milford Center | Union County | OH | 1,665 | $102,868 | $232,000 |
| 43067 | Raymond | Union County | OH | 1,655 | $93,083 | $271,400 |
| 43036 | Magnetic Springs | Union County | OH | 326 | $64,500 | $121,300 |
| 43077 | Unionville Center | Union County | OH | 278 | $97,500 | $178,100 |
| 43007 | — | Union County | OH | 34 | — | $177,900 |
Frequently asked questions
What are the demographics of Union County?
Union County, Ohio has a combined ZIP-area population of about 50,217 across 8 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Union County?
The average median household income across ZIP codes in Union County, Ohio is about $88,729, about 25% above the state ZIP average ($71,257), and about 18% above the U.S. median ($75,149). Average median home value is about $209,888. Among ZIPs with data, 43045 (Milford Center) is near the top ($102,868) and 43036 (Magnetic Springs) is near the bottom ($64,500).
How many ZIP codes are in Union County?
Union 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 Union County?
This page lists ZIP codes in Union County, Ohio with population, median household income, and home value. Select a ZIP for a full demographics profile.