51003
Alton, Iowa.
Alton, Sioux County, IA · population 1,938
to buy the typical home at today's mortgage rate — +$876 (+119%) since Jan 2020.
- 1 year
- Up $18,377 +6%
- $288,898$307,275 since Sep 2025
- 5 years
- Up $75,840 +33%
- $231,435$307,275 since Sep 2021
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.
- 51003$1,613
- United States$1,922
At the last five years' pace, a typical home here doubles in price every 12 years.
Typical home values in zip 51003 rose 6.4% over the past year — faster than the nation's +1.2%.
Zillow also publishes an index for the city itself: Alton, IA — measured over the city limits, which is a different area from this zip.
Typical home value — 51003
Mid-tier homes, smoothed and seasonally adjusted.
- 51003$307,275
- 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 |
|---|---|---|---|---|---|
| 5.4 | 51041 | Orange City | 7,324 | — | $318,287 |
| 7.0 | 51022 | Granville | 960 | — | $274,868 |
| 8.0 | 51238 | Hospers | 1,502 | — | $265,427 |
| 10.3 | 51036 | Maurice | 445 | — | $348,888 |
| 13.1 | 51050 | Remsen | 2,962 | — | $278,504 |
| 13.4 | 51250 | Sioux Center | 9,970 | — | $349,642 |
| 14.6 | 51234 | Boyden | 1,172 | — | $290,585 |
| 15.0 | 51231 | Archer | 562 | — | $226,934 |
| 15.1 | 51201 | Sheldon | 6,430 | — | $226,150 |
| 15.6 | 51046 | Paullina | 1,326 | — | $179,346 |
| 15.9 | 51031 | Le Mars | 12,808 | — | $278,510 |
| 16.9 | 51035 | Marcus | 1,627 | — | $184,229 |
| 17.1 | 51239 | Hull | 2,876 | — | $317,862 |
| 17.3 | 51027 | Ireton | 1,280 | — | $281,022 |
| 19.6 | 51014 | Cleghorn | 549 | — | $180,486 |
Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.