Checked
Coulter, IA
City in Franklin County, Iowa. ZIP codes: 50431.
Population
228
Land area
2.5sq mi
People per sq mi
92
ZIP codes
1
Coulter and its ZIP codes
Coulter at a glance
- Coulter is 61% denser than Iowa as a whole.
Local data for Coulter, IA
Counts from official public data
Economy and federal money
Jobs, pay, income and spending are for Franklin County. PPP loans are for Coulter.
Unemployment rate
3.2%
Sep 2026, +0.6 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
$518K
11 loans, 53 jobs reported
Environment and hazard risk
Coulter, 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 Coulter, IA, CDC PLACES estimates
Obesity
39.7%
U.S. 33.3% +6.4 pts
Diabetes
12.5%
U.S. 12.1% about the same
Smoking
16.4%
U.S. 12.8% +3.6 pts
Uninsured (18-64)
10.1%
U.S. 11.1% -1.0 pts
ZIP codes in Coulter
1 in or overlapping Coulter. Population shown
Cities near Coulter
| Name | Distance | Land area (sq mi) |
|---|---|---|
| LatimerCity | 1.9 mi | 2.4 |
| AlexanderCity | 7.2 mi | 4.3 |
| HamptonCity | 8.5 mi | 4.4 |
| DowsCity | 8.5 mi | 0.8 |
| RowanCity | 9.2 mi | 0.5 |
| BradfordCensus-designated place | 9.3 mi | 0.9 |
| ChapinCensus-designated place | 10 mi | 0.1 |
| PopejoyCity | 10 mi | 0.8 |
| GaltCity | 12 mi | 0.6 |
| GenevaCity | 13 mi | 0.4 |
| SheffieldCity | 13 mi | 5.6 |
| MeserveyCity | 13 mi | 1.5 |
| HansellCity | 14 mi | 0.2 |
| BelmondCity | 14 mi | 2.8 |
| ThorntonCity | 14 mi | 1.2 |
| AldenCity | 16 mi | 1.6 |
Frequently asked questions
- What county is Coulter, IA in?
- Coulter is in Franklin County, Iowa.
- What ZIP codes are in Coulter, IA?
- ZIP codes in or overlapping Coulter include 50431.
- What is the population of Coulter, IA?
- About 228 people live in Coulter, based on American Community Survey 5-year estimates.
- What cities are near Coulter?
- Nearby places include Latimer (1.9 mi), Alexander (7.2 mi), Hampton (8.5 mi), Dows (8.5 mi), Rowan (9.2 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023