Thornburg, IA · standard
ZIP Code 50255
Keokuk County, Iowa - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 65
- 142/sq mi High-density area
- $39,722
- Median income Below-median income area
- 34.8%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Thornburg pairs one of the lowest household incomes in the country, in a rural, homeowner-dominated area.
- 5th pct
- household income, US ZIPs
- 142
- people per sq mi
- 100%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 50255 against every reporting US ZIP.
ZIP code 50255 is a sparsely populated ZIP (a standard USPS delivery area) in Thornburg, Keokuk County, Iowa, home to just 65 residents across 0.5 square miles, a density of 142 people per square mile, in the Chicago time zone.
With fewer than 100 residents on file, this page keeps the Census figures below and skips the multi-chart expansion used on larger ZIPs. Small-N ACS estimates are already unstable enough without padding the page around them. Median household income is $39,722.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 50255, Thornburg, IA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
65
Population
0.5
Area (sq mi)
142
People / sq mi
Chicago
Time Zone
standard
ZIP Type
Who lives in ZIP 50255?
57.8
Median Age
51.0%
Male
49.0%
Female
0.0%
Foreign-Born
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$39,722
Median Household Income
-48% vs state ZIP avg
$28,943
Per Capita Income
7.8%
Poverty Rate
15.4%
Unemployment Rate
How ZIP 50255 ranks among Iowa ZIPs
Thornburg, IA household income vs. every Iowa ZIP code
Median household income among 911 reporting Iowa ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$39,722 2nd percentile higher than 2% of 911 Iowa ZIPs
Each bar is a $20K-wide band; taller bars hold more Iowa 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 does housing look like?
Housing stock: occupied vs vacant
26housing units
26
Total Housing Units
26
Occupied Units
0
Vacant Units
1.96
Avg Household Size
Occupancy Type
1938
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
Nearby ZIP Codes
Want a side-by-side? Compare 50255 vs 50136 →
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 50255, both outside IA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
Related Areas
Frequently Asked Questions
What county is ZIP code 50255 in?
ZIP code 50255 (Thornburg) is located in Keokuk County, Iowa. Keokuk County contains multiple ZIP codes, see the full list at /counties/keokuk-ia.
What is the population of ZIP code 50255?
ZIP code 50255 in Thornburg, IA has a population of 65 according to the Census Bureau ACS 2023 estimates.
Take this with you
What to do with ZIP 50255's numbers, next.
- See how ZIP 50255 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Thornburg, IA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.