US ZIP Code
50431

Coulter, IA

Franklin County  ·  Iowa

● Active
👥 251 Population ↑ 15% since 2019
💰 $58,125 Median HH Income
▼ 24% below avg ↑ 22% since 2019
🎂 29.5 Median Age ↓ 32% since 2019
🏠 $82,000 Median Home Value
▼ 71% below avg ↑ 34% since 2019
🎓 13.4% College Grads
▼ 65% below avg
📊 3.2% Unemployment
▼ 35% below avg ↑ 2% since 2019
ZIP Code Details
ZIP Code50431
CityCoulter
StateIowa (IA)
CountyFranklin County
Area Code641
Elevation1,236 ft
Latitude42.736478
Longitude-93.369881
TimezoneChicago (DST)
FIPS19069
ZIP TypePO Box
StatusActive
People & Population (ACS 2023)
♂ Male 59.8% (150) Female 40.2% (101) ♀

Race & Ethnicity

White: 55.4%Hispanic: 44.6%Race
White55.4%
Hispanic44.6%

Age Breakdown

Under 5
10%
5–17
33%
18–24
6%
25–44
15%
45–64
24%
65+
3%

Key Indicators

Median Age29.5 yrs ↓ 32% since 2019
Avg Household Size3.18
Below Poverty15.5% ▲ 55% above avg
College Grads13.4% ▼ 65% below avg
Unemployment3.2% ▼ 35% below avg
HS Graduate71 (63.4%)
Some College2 (1.8%)
Associates24 (21.4%)
Bachelors5 (4.5%)
Graduate Degree10 (8.9%)

Education

HS Grad: 63.4%Some College: 1.8%Associates: 21.4%Bachelors: 4.5%Graduate: 8.9%Edu
HS Grad63.4%
Some College1.8%
Associates21.4%
Bachelors4.5%
Graduate8.9%
Housing & Income

Housing Tenure

Owner: 68.4%Renter: 31.7%Tenure
Owner68.4%
Renter31.7%

Home Value Distribution

Under $50k
22%
$50k–100k
46%
$100k–150k
13%
$150k–200k
11%
$200k–300k
7%

Financials

Median HH Income$58,125 ▼ 24% below avg ↑ 22% since 2019
Median Home Value$82,000 ▼ 71% below avg ↑ 34% since 2019
Home/Income Ratio1.4x (nat avg ~3.5x)
Median Rent$644/mo ↑ 25% since 2019
Total Units101
Vacant Units22
Avg HH Size3.18

Income Distribution

Under $25k
29%
$25k–50k
20%
$50k–75k
15%
$75k–100k
13%
$100k–150k
18%
$150k–200k
5%
Employment & Commute

How People Get to Work

Drove Alone
91%
Walked
1%
Work From Home
7%

Commute Time

Under 15 min
31%
15–30 min
44%
30–45 min
20%
Over 45 min
5%
Housing Stock

Year Built

1940s–1950s
23%
1960s–1970s
7%
1980s–1990s
2%
2000+
67%

Summary

Total Units101
Vacant22
Owner Occupied68.4%
Renter Occupied31.7%
Avg HH Size3.18
Frequently Asked Questions
ZIP code 50431 is in Coulter, IA, in Franklin County.
ZIP code 50431 is located in Iowa (IA).
ZIP code 50431 is in Franklin County, IA.
ZIP 50431 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 50431 is 251 people (ACS 2023).
The median household income in ZIP code 50431 is $58,125 (ACS 2023).
The median home value in ZIP 50431 is $82,000 (ACS 2023).
About ZIP Code 50431

ZIP code 50431 is located in Coulter, Iowa, within Franklin County. With a population of 251, this is a sparsely populated ZIP code with a young community — the median age is 29.5 years. Economically, 50431 is a solidly middle-class ZIP code: the median household income of $58,125 is below the national average.

Real estate in ZIP code 50431 represents one of the more affordable housing markets in the country. The median home value of $82,000 is well below the national average. Renters can expect to pay around $644 per month in median rent. Homeownership is strong here — 68.4% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 34% since 2019.

The population of 50431 is majority White (55.38%). Residents are less-educated — 13.4% hold a bachelor's degree or higher, which is well below the national average. Poverty affects some residents at 15.5%. Household income has grown by 22% since 2019.

The unemployment rate in 50431 stands at 3.2%, which is below the national average. As in most parts of the country, driving alone is the dominant commute mode at 83%.

Overall, ZIP code 50431 in Coulter, IA is characterized as solidly middle-class, less-educated, a young community, and predominantly owner-occupied. With 251 residents, a median household income of $58,125, and a median home value of $82,000, it offers a clear picture of life in this part of Iowa.