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Cromwell, IA
City in Union County, Iowa. ZIP codes: 50842.
Population
103
Land area
0.3sq mi
People per sq mi
345
ZIP codes
1
Cromwell and its ZIP codes
Cromwell at a glance
- Cromwell is about 6 times as dense as Iowa as a whole.
Economy and federal money
Jobs, pay, income and spending are for Union County. PPP loans are for Cromwell.
Unemployment rate
3.5%
Aug 2026, 0.0 pts in a year
Average annual pay
$52,186
5,822 jobs, 2025
Income per person
$53,805
BEA, 2024
Federal spending
$90.1M
FY 2026, $7,424 per person
PPP loans
$12.6K
3 loans, 3 jobs reported
Environment and hazard risk
Cromwell, IA, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: drought
Storm events since 1996
515
Countywide, mostly thunderstorm wind
Flood insurance policies
14
0.2% of homes, county
July high / Jan low
85° / 11°F
37.9 inches of rain a year
Health statistics
Share of adults in Cromwell, IA, CDC PLACES estimates
Obesity
35.7%
U.S. 33.3% +2.4 pts
Diabetes
12.0%
U.S. 12.1% about the same
Smoking
14.4%
U.S. 12.8% +1.6 pts
Uninsured (18-64)
5.3%
U.S. 11.1% -5.8 pts
ZIP codes in Cromwell
1 in or overlapping Cromwell. Population shown
Cities near Cromwell
| Name | Distance | Land area (sq mi) |
|---|---|---|
| CrestonCity | 5.4 mi | 5.2 |
| KentCensus-designated place | 6 mi | 0.5 |
| PrescottCity | 8 mi | 0.4 |
| OrientCity | 11 mi | 0.4 |
| LenoxCity | 12 mi | 1.9 |
| AftonCity | 14 mi | 1 |
| ArispeCity | 14 mi | 0.5 |
| Shannon CityCity | 14 mi | 0.4 |
| CorningCity | 15 mi | 1.6 |
| ClearfieldCity | 16 mi | 1.2 |
| DiagonalCity | 17 mi | 0.9 |
| BridgewaterCity | 18 mi | 0.3 |
| FontanelleCity | 18 mi | 0.9 |
| GreenfieldCity | 19 mi | 1.8 |
| MacksburgCity | 19 mi | 2 |
| SharpsburgCity | 19 mi | 0.4 |
Frequently asked questions
- What county is Cromwell, IA in?
- Cromwell is in Union County, Iowa.
- What ZIP codes are in Cromwell, IA?
- ZIP codes in or overlapping Cromwell include 50842.
- What is the population of Cromwell, IA?
- About 103 people live in Cromwell, based on American Community Survey 5-year estimates.
- What cities are near Cromwell?
- Nearby places include Creston (5.4 mi), Kent (6 mi), Prescott (8 mi), Orient (11 mi), Lenox (12 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023