50258
Union, Iowa.
Union, Hardin County, IA · Marshalltown, IA metro · population 958
to buy the typical home at today's mortgage rate — +$364 (+56%) since Feb 2022.
- 1 year
- Up $10,878 +6%
- $181,423$192,301 since Sep 2025
Monthly payment to buy the typical home
Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.
- 50258$1,009
- United States$1,922
Typical home values in zip 50258 rose 6.0% over the past year — faster than the nation's +1.2%.
This zip spans 2 counties: Hardin County, IA 71% · Marshall County, IA 29%
Zillow also publishes an index for the city itself: Union, IA — measured over the city limits, which is a different area from this zip.
Typical home value — 50258
Mid-tier homes, smoothed and seasonally adjusted.
- 50258$192,301
- Marshalltown$192,354
- United States$366,157
Within 20 miles
| Miles sorted ascending, activate to sort descending | Zip activate to sort by Zip | City activate to sort by City | Population activate to sort by Population | Rent activate to sort by Rent | Home value activate to sort by Home value |
|---|---|---|---|---|---|
| 5.3 | 50148 | Liscomb | 406 | — | $180,439 |
| 5.9 | 50206 | New Providence | 349 | — | $181,262 |
| 7.3 | 50005 | Albion | 812 | — | $181,185 |
| 8.2 | 50621 | Conrad | 1,601 | — | $223,327 |
| 8.5 | 50627 | Eldora | 3,276 | — | $129,714 |
| 12.5 | 50278 | Zearing | 891 | — | $263,245 |
| 12.9 | 50122 | Hubbard | 1,297 | — | $168,899 |
| 13.6 | 50672 | Steamboat Rock | 611 | — | $190,047 |
| 13.7 | 50609 | Beaman | 377 | — | $215,780 |
| 15.2 | 50247 | State Center | 2,004 | — | $295,635 |
| 15.2 | 50158 | Marshalltown | 31,396 | $1,024 | $177,227 |
| 16.4 | 50154 | McCallsburg | 394 | — | $237,962 |
| 17.0 | 50638 | Grundy Center | 3,441 | — | $195,881 |
| 17.2 | 50680 | Wellsburg | 1,027 | — | $161,338 |
| 18.3 | 50056 | Colo | 1,003 | — | $257,710 |
| 19.5 | 50635 | Gladbrook | 1,423 | — | $174,069 |
| 19.7 | 50230 | Radcliffe | 1,145 | — | $202,113 |
| 19.9 | 50652 | Lincoln | 113 | — | $87,537 |
| 20.0 | 50642 | Holland | 577 | — | $215,394 |
Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.