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Duncombe, IA
City in Webster County, Iowa. ZIP codes: 50532.
Population
376
Land area
2sq mi
People per sq mi
192
ZIP codes
1
Duncombe and its ZIP codes
Duncombe at a glance
- Duncombe is about 3.3 times as dense as Iowa as a whole.
Local data for Duncombe, IA
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Webster County. PPP loans are for Duncombe.
Unemployment rate
3.8%
Aug 2026, +0.1 pts in a year
Average annual pay
$58,614
17,328 jobs, 2025
Income per person
$55,465
BEA, 2024
Federal spending
$250M
FY 2026, $6,766 per person
PPP loans
$1.5M
67 loans, 141 jobs reported
Environment and hazard risk
Duncombe, IA, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: drought
Storm events since 1996
911
Countywide, mostly hail
Flood insurance policies
23
0.1% of homes, county
July high / Jan low
83° / 7°F
37.2 inches of rain a year
Health statistics
Share of adults in Duncombe, IA, CDC PLACES estimates
Obesity
41.9%
U.S. 33.3% +8.6 pts
Diabetes
11.6%
U.S. 12.1% -0.5 pts
Smoking
16.5%
U.S. 12.8% +3.7 pts
Uninsured (18-64)
6.9%
U.S. 11.1% -4.2 pts
ZIP codes in Duncombe
1 in or overlapping Duncombe. Population shown
Cities near Duncombe
| Name | Distance | Land area (sq mi) |
|---|---|---|
| CoalvilleCensus-designated place | 6.6 mi | 2.2 |
| LehighCity | 8.2 mi | 2.1 |
| OthoCity | 8.6 mi | 0.4 |
| VincentCity | 8.7 mi | 0.3 |
| Webster CityCity | 8.9 mi | 9.2 |
| Fort DodgeCity | 9.9 mi | 16 |
| WoolstockCity | 10 mi | 1 |
| BadgerCity | 13 mi | 1.1 |
| StratfordCity | 14 mi | 1.8 |
| DaytonCity | 15 mi | 0.9 |
| KamrarCity | 15 mi | 0.9 |
| Eagle GroveCity | 15 mi | 4.1 |
| ThorCity | 15 mi | 1 |
| MoorlandCity | 15 mi | 1.5 |
| StanhopeCity | 16 mi | 1 |
| CallenderCity | 17 mi | 0.5 |
Frequently asked questions
- What county is Duncombe, IA in?
- Duncombe is in Webster County, Iowa.
- What ZIP codes are in Duncombe, IA?
- ZIP codes in or overlapping Duncombe include 50532.
- What is the population of Duncombe, IA?
- About 376 people live in Duncombe, based on American Community Survey 5-year estimates.
- What cities are near Duncombe?
- Nearby places include Coalville (6.6 mi), Lehigh (8.2 mi), Otho (8.6 mi), Vincent (8.7 mi), Webster City (8.9 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023