Coulter, IA · standard

ZIP Code 50431

Franklin County, Iowa — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

273
141/sq mi
$62,917
Median income
$90,000
Median home value
10.6%
Bachelor's or higher

The verdict

Coulter pairs a below-median household income with among the most affordable home values nationally, in a rural, homeowner-dominated area.

35th pct
household income, US ZIPs
7th pct
home value, US ZIPs
141
people per sq mi
74%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 50431 against every reporting US ZIP.

ZIP code 50431 is classified by USPS as a standard delivery area and covers roughly 1.9 square miles in Coulter, Franklin County, Iowa. The area is home to 273 residents, producing a population density of 141 people per square mile, and falls within the Chicago time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 50431 against Iowa and the nation.

On the economic side, the median household income for ZIP 50431 sits at $62,917 (18% below the Iowa average), while per-capita income is $24,881. The poverty rate stands at 16.7% and the unemployment rate at 1.1%. On housing, the median home value is $90,000 (49% below the state average) with median rent at $693 per month, and 73.8% of occupied units are owner-occupied, a direct signal of whether 50431 behaves more like a homeowner neighborhood or a renter-heavy ZIP.

Education and household profile round out the picture: 10.6% of adults hold a bachelor's degree or higher, the median age is 34.2, and the average commute is . We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Franklin County, so you can benchmark 50431 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 50431, Coulter, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.

Quick Facts

273

Population

1.9

Area (sq mi)

141

People / sq mi

Chicago

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 50431?

34.2

Median Age

55.7%

Male

44.3%

Female

13.6%

Foreign-Born

White 63.6%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 36.4%
Hispanic or Latino 47.4%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$62,917

Median Household Income

-18% vs state

$24,881

Per Capita Income

16.7%

Poverty Rate

1.1%

Unemployment Rate

How ZIP 50431 ranks nationally

Household income vs. every US ZIP code

Median household income — the full national distribution, with this ZIP marked

$62,917 35th percentile higher than 35% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 67.4%
Bachelor's Degree or Higher 10.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

109

Total Housing Units

84

Occupied Units

25

Vacant Units

2.71

Avg Household Size

Occupancy Type

Owner 73.8%
Renter 26.2%

$90,000

Median Home Value

-49% vs state

$693

Median Rent

1944

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 3 business establishments in ZIP 50431, employing approximately 4 people with a combined annual payroll of $125,000.

3

Businesses

4

Employees

$125K

Annual Payroll

0

Industry Sectors

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 50431 vs 50452 →

ZIP 50431 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 50431 ranks #6 by population — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 50431 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 50431 ranks #5 of 7 neighboring ZIPs — local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
50452 Latimer, IA 804 3.3 mi
50441 Hampton, IA 5,776 7.5 mi
50420 Alexander, IA 377 6.6 mi
50227 Popejoy, IA 40 10.1 mi
50041 Bradford, IA 92 9.2 mi
50071 Dows, IA 1,007 9.1 mi
50475 Sheffield, IA 1,757 12.4 mi

More ZIP Codes in Franklin County

Frequently Asked Questions

What county is ZIP code 50431 in?
ZIP code 50431 (Coulter) is located in Franklin County, Iowa. Franklin County contains multiple ZIP codes, see the full list at /counties/franklin-ia.
What is the population of ZIP code 50431?
ZIP code 50431 in Coulter, IA has a population of 273 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 50431?
The median household income in ZIP 50431 is $62,917, which is 18% below the national average of $76,288.
What is the average home value in ZIP 50431?
The median home value in ZIP 50431 is $90,000, which is 68% below the national average of $278,155.
What is the demographic makeup of ZIP 50431?
The largest racial group in ZIP 50431 is White at 63.6%. Hispanic or Latino residents make up 47.4% of the population.
How many businesses are in ZIP code 50431?
ZIP code 50431 has 3 business establishments employing approximately 4 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 50431?
In ZIP code 50431, 67.4% of residents aged 25+ have a high school diploma or higher, and 10.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 50431?
In ZIP code 50431, approximately 73.8% of occupied housing units are owner-occupied and 26.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 50431?
The poverty rate in ZIP code 50431 is 16.7% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Coulter, IA

Verify and explore additional data for this area using these official government sources.