The typical owner-occupied home in Union County is worth about $204,000, 29% below the Tennessee median of $286,700 and 39% below the national median of $332,700. Owners pay a median $752 a year in property taxes, about 0.37% of their home's value, lower than the Tennessee rate of 0.50%. The median household earns $62,727 a year, so the median home costs 3.3 times the median income (4.1 times for Tennessee). 80% of occupied homes here are lived in by their owners, and 52% of those owners still have a mortgage.
Union County at a glance
| Union County | Tennessee | U.S. | |
|---|---|---|---|
| Median home value | $204,000 | $286,700 | $332,700 |
| Median property tax paid per year | $752 | $1,442 | $3,119 |
| Property tax as a share of value | 0.37% | 0.50% | 0.94% |
| Median household income | $62,727 | $69,595 | $80,734 |
| Homes lived in by their owners | 80% | 67% | 65% |
| Owner homes with a mortgage | 52% | 58% | 61% |
| Median monthly costs, owners with a mortgage | $1,179 | $1,566 | $1,963 |
| Those costs as a share of the owners' income | 19.9% | 19.6% | 21.0% |
| Median rent | $847 | $1,189 | $1,413 |
| Rent as a share of renters' income | 31.4% | 29.5% | 30.6% |
| Median year homes were built | 1993 | 1987 | 1980 |
| Vacant homes | 19.3% | 10.2% | 10.1% |
| Population | 20,431 | 7,066,383 | 334,922,499 |
What a typical home costs per month in Union County
At this week's average 30-year rate of 7.11%, buying the median Union County home of $204,000 with 20% down costs about $1,246 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $1,586, because the loan is bigger and FHA adds mortgage insurance.
Lenders usually want housing costs under about 28% of gross income, which means an income of roughly $53,390 for the 20%-down payment. That payment is 24% of the median Union County household income of $62,727; at that income and 20% down, the 28% guideline points to a home of about $240,000.
The median rent here is $847 a month, so owning the median home costs about $399 a month more than renting, before you count the equity you build and any tax benefits.
| Down payment | $40,800 |
|---|---|
| Loan amount | $163,200 |
| Principal and interest | $1,098 |
| Property taxes (0.37% a year) | $63 |
| Homeowners insurance (our estimate, 0.5% a year) | $85 |
| PMI | $0 |
| Total per month | $1,246 |
Change the numbers in the calculator
| Down payment | $7,140 |
|---|---|
| Loan amount | $200,305 |
| Principal and interest | $1,347 |
| Property taxes (0.37% a year) | $63 |
| Homeowners insurance (our estimate, 0.5% a year) | $85 |
| FHA mortgage insurance | $90 |
| Total per month | $1,586 |
Change the numbers in the calculator
Questions about home buying in Union County
What is the median home value in Union County?
About $204,000 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.
How much are property taxes in Union County?
Homeowners pay a median $752 a year, which is about 0.37% of the median home value. Your bill depends on your home's assessed value and local rates.
What income do you need to buy a home in Union County?
For the median home with 20% down at 7.11%, the payment is about $1,246 a month. Keeping that under 28% of gross income takes about $53,390 a year.
More about Union County
- Mortgage Refinance in Union County
- Debt Relief in Union County
- Home Equity Loans in Union County
- Guides and quotes for mortgage refinance on our sister site, MortgageRefinance.com
Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates; Freddie Mac Primary Mortgage Market Survey, week of November 12, 2026. Estimates for small places have wide margins of error. About our data