Zip lookup · IA

51640
Hamburg, Iowa.

Hamburg, Fremont County, IA · population 1,381

What it costs per month · 51640 $718/mo

to buy the typical home at today's mortgage rate — +$354 (+97%) since Jan 2020.

What the home itself did
1 year
Up $12,584 +10%
$124,170$136,755 since Sep 2025
5 years
Up $24,299 +22%
$112,456$136,755 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.

$500 $1,000 $1,500 $2,000 2002 2006 2010 2014 2018 2022 2026 51640 $718 United States $1,922
$500 $1,000 $1,500 $2,000 2002 2010 2018 2026
  • 51640$718
  • United States$1,922

At the last five years' pace, a typical home here doubles in price every 18 years.

Typical home values in zip 51640 rose 10.1% over the past year — faster than the nation's +1.2%.

This zip spans 2 counties: Fremont County, IA 82% · Atchison County, MO 18%

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

Typical home value $136,755 as of Sep 2026
+10.1%year on year

Typical home value — 51640

Mid-tier homes, smoothed and seasonally adjusted.

$100,000 $200,000 $300,000 2018 2020 2022 2024 2026 51640 $136,755 United States $366,157
$100,000 $200,000 $300,000 2018 2022 2026
  • 51640$136,755
  • 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
6.9 51650 Riverton 197 — $113,707
10.0 68421 Peru 987 — $140,431
10.4 51652 Sidney 1,569 — $192,644
11.0 51648 Percival 257 — $181,850
11.7 68410 Nebraska City 8,980 — $200,478
12.0 51639 Farragut 919 — $177,025
13.3 64482 Rock Port 1,980 — $167,064
15.3 51654 Thurman 325 — $219,501
15.8 68321 Brownville 480 — $204,096
17.2 51649 Randolph 346 — $201,047
18.0 51601 Shenandoah 5,629 — $133,148
18.1 68320 Brock 348 — $228,083
18.1 51653 Tabor 1,446 — $226,547
18.6 68455 Union 852 — $359,580
19.4 68346 Dunbar 544 — $278,623

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