The typical owner-occupied home in Union County is worth about $122,000, 41% below the Iowa median of $208,000 and 63% below the national median of $332,700. Owners pay a median $2,197 a year in property taxes, about 1.80% of their home's value, higher than the Iowa rate of 1.39%. The median household earns $57,772 a year, so the median home costs 2.1 times the median income (2.8 times for Iowa). 72% of occupied homes here are lived in by their owners, and 48% of those owners still have a mortgage.
Union County at a glance
| Union County | Iowa | U.S. | |
|---|---|---|---|
| Median home value | $122,000 | $208,000 | $332,700 |
| Median property tax paid per year | $2,197 | $2,897 | $3,119 |
| Property tax as a share of value | 1.80% | 1.39% | 0.94% |
| Median household income | $57,772 | $75,059 | $80,734 |
| Homes lived in by their owners | 72% | 72% | 65% |
| Owner homes with a mortgage | 48% | 59% | 61% |
| Median monthly costs, owners with a mortgage | $1,250 | $1,533 | $1,963 |
| Those costs as a share of the owners' income | 20.7% | 18.7% | 21.0% |
| Median rent | $721 | $972 | $1,413 |
| Rent as a share of renters' income | 25.5% | 27.4% | 30.6% |
| Median year homes were built | 1962 | 1972 | 1980 |
| Vacant homes | 11.6% | 8.5% | 10.1% |
| Population | 11,993 | 3,210,507 | 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 $122,000 with 20% down costs about $890 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $1,094, 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 $38,160 for the 20%-down payment. That payment is 18% of the median Union County household income of $57,772; at that income and 20% down, the 28% guideline points to a home of about $185,000.
The median rent here is $721 a month, so owning the median home costs about $169 a month more than renting, before you count the equity you build and any tax benefits.
| Down payment | $24,400 |
|---|---|
| Loan amount | $97,600 |
| Principal and interest | $657 |
| Property taxes (1.80% a year) | $183 |
| Homeowners insurance (our estimate, 0.5% a year) | $51 |
| PMI | $0 |
| Total per month | $890 |
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| Down payment | $4,270 |
|---|---|
| Loan amount | $119,790 |
| Principal and interest | $806 |
| Property taxes (1.80% a year) | $183 |
| Homeowners insurance (our estimate, 0.5% a year) | $51 |
| FHA mortgage insurance | $54 |
| Total per month | $1,094 |
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Questions about home buying in Union County
What is the median home value in Union County?
About $122,000 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 $2,197 a year, which is about 1.80% 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 $890 a month. Keeping that under 28% of gross income takes about $38,160 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