Zip lookup · IA

51235
Doon, Iowa.

Doon, Lyon County, IA · population 1,007

What it costs per month · 51235 $1,534/mo

to buy the typical home at today's mortgage rate — +$800 (+109%) since Feb 2022.

What the home itself did
1 year
Up $36,263 +14%
$255,947$292,210 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.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 51235 $1,534 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 51235$1,534
  • United States$1,922

Typical home values in zip 51235 rose 14.2% over the past year — faster than the nation's +1.2%.

This zip spans 2 counties: Lyon County, IA 97% · Sioux County, IA 3%

Zillow also publishes an index for the city itself: Doon, IA — measured over the city limits, which is a different area from this zip.

Typical home value $292,210 as of Sep 2026
+14.2%year on year

Typical home value — 51235

Mid-tier homes, smoothed and seasonally adjusted.

$200,000 $250,000 $300,000 $350,000 2022 2023 2024 2025 2026 51235 $292,210 United States $366,157
$200,000 $250,000 $300,000 $350,000 2022 2024 2026
  • 51235$292,210
  • 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
6.8 51230 Alvord 478 — $263,749
7.3 51239 Hull 2,876 — $317,862
9.4 51247 Rock Valley 5,094 — $309,077
9.5 51246 Rock Rapids 4,041 — $254,926
11.2 51237 George 1,605 — $200,132
11.3 51242 Lester 379 — $287,401
12.0 51234 Boyden 1,172 — $290,585
12.2 51240 Inwood 1,914 — $302,331
14.5 51250 Sioux Center 9,970 — $349,642
16.3 51241 Larchwood 2,103 — $349,601
18.5 56138 Hills 927 — $235,450
18.7 51243 Little Rock 735 — $183,899
19.2 51201 Sheldon 6,430 — $226,150
19.9 51041 Orange City 7,324 — $318,287

Coordinates and population from SimpleMaps US Zips (Basic). Rent and home values from Zillow Research.