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Chapin, IA
Census-designated place in Franklin County, Iowa. ZIP codes: 50427.
Population
137
Land area
0.1sq mi
People per sq mi
1,390
ZIP codes
1
Chapin and its ZIP codes
Chapin at a glance
- Chapin is about 24 times as dense as Iowa as a whole.
Economy and federal money
Jobs, pay, income and spending are for Franklin County. PPP loans are for Chapin.
Unemployment rate
3.5%
Aug 2026, +0.2 pts in a year
Average annual pay
$54,846
3,877 jobs, 2025
Income per person
$65,571
BEA, 2024
Federal spending
$88.7M
FY 2026, $8,854 per person
PPP loans
$62.9K
4 loans, 16 jobs reported
Environment and hazard risk
Chapin, IA, from FEMA, NOAA and EPA
Natural hazard risk
Very Low
Top: drought
Storm events since 1996
542
Countywide, mostly thunderstorm wind
Flood insurance policies
8
0.2% of homes, county
July high / Jan low
83° / 8°F
38.1 inches of rain a year
Health statistics
Share of adults in Chapin, IA, CDC PLACES estimates
Obesity
41.0%
U.S. 33.3% +7.7 pts
Diabetes
16.2%
U.S. 12.1% +4.1 pts
Smoking
16.8%
U.S. 12.8% +4.0 pts
Uninsured (18-64)
7.1%
U.S. 11.1% -4.0 pts
ZIP codes in Chapin
1 in or overlapping Chapin. Population shown
Cities near Chapin
| Name | Distance | Land area (sq mi) |
|---|---|---|
| SheffieldCity | 3.7 mi | 5.6 |
| HamptonCity | 7 mi | 4.4 |
| HansellCity | 8.1 mi | 0.2 |
| LatimerCity | 8.8 mi | 2.4 |
| CoulterCity | 10 mi | 2.5 |
| RockwellCity | 10 mi | 3 |
| SwaledaleCity | 11 mi | 0.2 |
| AredaleCity | 11 mi | 1 |
| DoughertyCity | 11 mi | 0.6 |
| ThorntonCity | 11 mi | 1.2 |
| GenevaCity | 12 mi | 0.4 |
| AlexanderCity | 13 mi | 4.3 |
| DumontCity | 14 mi | 1.7 |
| MeserveyCity | 14 mi | 1.5 |
| BradfordCensus-designated place | 14 mi | 0.9 |
| BurchinalCensus-designated place | 16 mi | 0.1 |
Frequently asked questions
- What county is Chapin, IA in?
- Chapin is in Franklin County, Iowa.
- What ZIP codes are in Chapin, IA?
- ZIP codes in or overlapping Chapin include 50427.
- What is the population of Chapin, IA?
- About 137 people live in Chapin, based on American Community Survey 5-year estimates.
- What cities are near Chapin?
- Nearby places include Sheffield (3.7 mi), Hampton (7 mi), Hansell (8.1 mi), Latimer (8.8 mi), Coulter (10 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023