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
Who lives in ZIP 50431?
34.2
Median Age
55.7%
Male
44.3%
Female
13.6%
Foreign-Born
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
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?
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
$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.
- 50441
Hampton (50441)
5,776 residents
- 50475 1,757
Sheffield (50475)
1,757 residents
- 50071 1,007
Dows (50071)
1,007 residents
- 50452 804
Latimer (50452)
804 residents
- 50420 377
Alexander (50420)
377 residents
- 50431 273
Coulter (50431)
273 residents
- 50041 92
Bradford (50041)
92 residents
- 50227 40
Popejoy (50227)
40 residents
What this shows Among its immediate neighbors, ZIP 50431 ranks #6 by population — useful context the national average alone can't give.
ZIP 50431 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 50071
Dows (50071)
$83,036 median income
- 50420
Alexander (50420)
$76,250 median income
- 50475
Sheffield (50475)
$70,938 median income
- 50452
Latimer (50452)
$66,250 median income
- 50431
Coulter (50431)
$62,917 median income
- 50441
Hampton (50441)
$49,910 median income
- 50227
Popejoy (50227)
$38,611 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.
More ZIP Codes in Franklin County
Related Areas
Frequently Asked Questions
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How many businesses are in ZIP code 50431? ▼
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What percentage of residents own vs. rent in ZIP 50431? ▼
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ZIP Code Research Guides
Official Data Resources for Coulter, IA
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.