Checked
ZIP Code 51640
Hamburg, IA, Fremont County
Population
1,381
Land area
115.4sq mi
People per sq mi
12
City
Hamburg
ZIP 51640 and nearby ZIP codes
ZIP 51640 at a glance
- ZIP 51640 (Hamburg) is 79% less dense than Iowa as a whole.
- The median household income is $65,385, 13% below the Iowa median of $75,059.
- A typical owner-occupied home is valued at $122,900 (41% below Iowa) and median rent is $729 a month.
Local data for ZIP 51640
Counts from official public data
Housing and community stats
ZIP 51640, American Community Survey 2020-2024
Median household income
$65,385
Poverty rate
6.7%
Median home value
$122,900
Prices +8.9% in a year
Median rent
$729/mo
Homeownership
79.1%
Bachelor's or higher
18.4%
Median age
43.1
Average commute
23.0 min
Economy and federal money
Businesses, pandemic loans and political donations
Business establishments
31
ZIP Business Patterns 2023
Employees
415
$27.87M annual payroll
PPP loans
$4.48M
70 loans
Campaign donations
$3,305
79% D, 0% R, 2026 cycle
Environment and hazard risk
ZIP 51640, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
453
Countywide, mostly hail
Flood insurance policies
61
1.3% of homes, county
July high / Jan low
86° / 13°F
33.3 inches of rain a year
Health statistics
Share of adults in ZIP 51640, CDC PLACES estimates
Obesity
40.5%
U.S. 33.3% +7.2 pts
Diabetes
12.9%
U.S. 12.1% +0.8 pts
Smoking
15.9%
U.S. 12.8% +3.1 pts
Uninsured (18-64)
6.5%
U.S. 11.1% -4.6 pts
Cities in ZIP 51640
ZIP codes near 51640
| Name | Distance | Land area (sq mi) |
|---|---|---|
| 51650Riverton | 5.3 mi | 31.3 |
| 64496Watson | 7.9 mi | 37.1 |
| 51652Sidney | 11 mi | 74.4 |
| 68421Peru | 11 mi | 49.6 |
| 51639Farragut | 12 mi | 68.3 |
| 51648Percival | 12 mi | 57.2 |
| 64482Rock Port | 13 mi | 131 |
| 68410Nebraska City | 13 mi | 143.3 |
| 51654Thurman | 14 mi | 46.4 |
| 68379Julian | 14 mi | 1.2 |
Frequently asked questions
- What city is ZIP code 51640?
- ZIP code 51640 is in Hamburg, IA (Fremont County).
- What county is ZIP code 51640 in?
- ZIP code 51640 is mostly in Fremont County, Iowa.
- How many people live in ZIP code 51640?
- About 1,381 people live in the 51640 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.
Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.