Union County
Deed records through Jul 2026Counties take time to publish deeds, so the newest months can be incomplete and may shift as more records arrive.
Market Trends
Housing Stock
Equity & Ownership
CommunityThese are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.
Index scale: 100 = US average (tick). Lower is better.
Market metrics are derived from recorded arms-length deeds and refreshed nightly. Temperature blends price momentum, sales velocity, turnover and resale outcomes, ranked against all countys nationally.
How Union County compares
By median home value, Union County is the 2nd most expensive of 88 counties in Ohio, and its typical home is worth more than 82% of all homes in Ohio.
Home values in Union County
Share of homes at each estimated value.
| # | Ohio | Median value | Homes |
|---|---|---|---|
| 1 | Delaware County | $523K | 81,371 |
| 2 | Union County | $419K | 27,916 |
| 3 | Warren County | $398K | 84,417 |
| 4 | Geauga County | $384K | 35,873 |
| 5 | Fairfield County | $342K | 57,769 |
| 6 | Medina County | $335K | 65,282 |
| 7 | Licking County | $333K | 70,132 |
| 8 | Holmes County | $329K | 14,316 |
| 9 | Franklin County | $306K | 427,953 |
| 10 | Pickaway County | $304K | 20,161 |
| 11 | Madison County | $300K | 14,576 |
| 12 | Greene County | $293K | 56,229 |
| 13 | Clermont County | $292K | 76,254 |
| 14 | Knox County | $291K | 24,186 |
| 15 | Butler County | $284K | 124,828 |
| 16 | Hocking County | $281K | 14,842 |
| 17 | Portage County | $268K | 51,558 |
| 18 | Ottawa County | $260K | 30,530 |
| 19 | Lorain County | $257K | 115,533 |
| 20 | Hamilton County | $254K | 258,989 |
| 21 | Miami County | $252K | 41,597 |
| 22 | Mercer County | $251K | 16,613 |
| 23 | Shelby County | $245K | 19,670 |
| 24 | Morrow County | $241K | 17,369 |
88 counties in Ohio are ranked; the most valuable are listed here.
Markets in Union County, most valuable first
About the Union County market
What is the median home price in Union County, OH?
The median sale price in Union County, OH is $416,667 (data through July 2026), based on deeds recorded with the county. That is down 6.3% from a year earlier.
How many homes sell in Union County, OH each year?
1,135 homes sold in Union County, OH over the last 12 months (data through July 2026). TopHap counts recorded arm's-length deeds, not listings, so the figure is not affected by which brokerage handled the sale.
Is Union County, OH a buyer's or seller's market?
Union County, OH is currently a buyer's market, scoring 34 out of 100 on TopHap's market temperature index (data through July 2026). The score weighs sales velocity and price direction; above 60 favours sellers, below 40 favours buyers.
How many homes are there in Union County, OH?
Union County, OH contains 27,916 residential properties, with a median of 1,872 square feet, 3 bedrooms, built around 2000. The median TopHap Estimate is $419K.
How does Union County, OH compare to the rest of Ohio?
By median home value, Union County, OH is the 2nd most expensive of 88 counties in Ohio. Its typical home is worth more than 82% of all homes in Ohio. Delaware County ranks just above it and Warren County just below. The ranking is rebuilt nightly from the county assessor record of every home in each area.
Do people own or rent in Union County, OH?
83% of homes in Union County, OH are owner-occupied. 15% are held by a company rather than an individual.
How much equity do owners in Union County, OH hold?
59% of mortgaged homes in Union County, OH are equity-rich, meaning the loan balance is under half the home's value. 2.0% owe more than the home is worth.
Browse addresses
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Explore Union County on the map
See every recorded sale, price heat map, school zone and flood overlay across Union Countyin TopHap’s interactive 3D map.
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