PlainZIP

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
$39,722
Median income
34.8%
Bachelor's or higher

The verdict

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.

ZIP 50255 sits on the lower end of the income spectrum: median household income is $39,722 (48% below the Iowa average), while per-capita income is $28,943. 7.8% of residents live below the poverty line, and the unemployment rate reads 15.4%. Median home value sits at -, median rent at - a month, and owner-occupancy at 100.0%.

A solid share of residents have a four-year degree: 34.8% of adults hold a bachelor's degree or higher, the median age is 57.8, and the average commute is -. We also surface 9 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Keokuk County, so you can benchmark 50255 against its immediate geography rather than a national average alone.

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

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 50255?

57.8

Median Age

51.0%

Male

49.0%

Female

0.0%

Foreign-Born

White 100.0%
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 0.0%
Hispanic or Latino 17.6%

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?

$39,722

Median Household Income

-48% vs state

$28,943

Per Capita Income

7.8%

Poverty Rate

15.4%

Unemployment Rate

How ZIP 50255 ranks nationally

Thornburg, IA household income vs. every US ZIP code

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

$39,722 5th percentile higher than 5% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). This entry sits in this band. $40,000–$60,000: 7,092 US ZIPs (23%). Above this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $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 89.1%
Bachelor's Degree or Higher 34.8%

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

What does housing look like?

26

Total Housing Units

26

Occupied Units

0

Vacant Units

1.96

Avg Household Size

Occupancy Type

Owner 100.0%
Renter 0.0%

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 →

ZIP 50255 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 50255 ranks #0 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 50255 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 50255 ranks #null of 9 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
50136 Keswick, IA 445 2.4 mi
50268 What Cheer, IA 993 3.7 mi
50104 Gibson, IA 128 3.5 mi
52222 Deep River, IA 709 8.1 mi
52355 Webster, IA 277 7.7 mi
50027 Barnes City, IA 285 7.4 mi
52550 Delta, IA 585 9.9 mi
52586 Rose Hill, IA 521 10.4 mi
52591 Sigourney, IA 3,028 11.8 mi

More ZIP Codes in Keokuk County

52591 standard
Sigourney, IA
Pop: 3,028
52248 standard
Keota, IA
Pop: 1,815
52563 standard
Hedrick, IA
Pop: 1,583
50268 standard
What Cheer, IA
Pop: 993
52335 standard
South English, IA
Pop: 709
52550 standard
Delta, IA
Pop: 585

Related Areas

Keokuk County Thornburg, IA Iowa

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.
What is the median household income in ZIP 50255? ▼
The median household income in ZIP 50255 is $39,722, which is 48% below the national average of $76,288.
What is the demographic makeup of ZIP 50255? ▼
The largest racial group in ZIP 50255 is White at 100.0%. Hispanic or Latino residents make up 17.6% of the population.
What is the education level in ZIP code 50255? ▼
In ZIP code 50255, 89.1% of residents aged 25+ have a high school diploma or higher, and 34.8% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the poverty rate in ZIP code 50255? ▼
The poverty rate in ZIP code 50255 is 7.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.