50255 ZIP Code
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ZIP code 50255 covers Thornburg, Iowa, with a median household income of $39,643.
- Median age
- 60.221.5 points above the US average
- Median household income
- $39,64346% below the Iowa median
- Poverty rate
- 10%2.4 points below the US average
- Degree or higher
- 24.3%10.7 points below the US average
- Time zone
- Central UTC-06:00observes daylight saving time
Where 50255 is
Thornburg, Iowa — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.
People and households
American Community Survey 2019–2023 five-year estimates
| Median age | 60.2 |
|---|---|
| Born outside the US | 0% |
| Speaks a language other than English at home | 0% |
| White (non-Hispanic) | 82.5% |
| Black (non-Hispanic) | 0% |
| Asian (non-Hispanic) | 0% |
| Hispanic or Latino | 17.5% |
| Veterans | 7.9% |
Income and poverty
American Community Survey 2019–2023 five-year estimates
| Median household income | $39,643 |
|---|---|
| Income per person | $25,458 |
| Poverty rate | 10% |
Housing
American Community Survey 2019–2023 five-year estimates
| Median year built | 1938 |
|---|
Work, commuting and education
American Community Survey 2019–2023 five-year estimates
| Bachelor's degree or higher | 24.3% |
|---|---|
| High school diploma or higher | 97.3% |
Natural hazard risk
FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.
| Overall risk | Higher than 81.3% of US census tracts |
|---|---|
| FEMA rating | Relatively Moderate |
| Expected annual loss | 75.4 out of 100 |
| Community resilience | 73.6 out of 100 |
By hazard
Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.
| Strong wind | 99.1Very High at its worst in this ZIP code |
|---|---|
| Drought | 97.2Relatively Moderate at its worst in this ZIP code |
| Hail | 95.9Relatively High at its worst in this ZIP code |
| Landslide | 91.5Relatively Low at its worst in this ZIP code |
| Tornado | 88.1Relatively High at its worst in this ZIP code |
| Heat wave | 85.8Relatively High at its worst in this ZIP code |
| River flooding | 85.1Relatively High at its worst in this ZIP code |
| Wildfire | 84.9Relatively Low at its worst in this ZIP code |
| Lightning | 83.7Relatively High at its worst in this ZIP code |
| Winter weather | 82.6Relatively High at its worst in this ZIP code |
| Cold wave | 72.5Relatively Moderate at its worst in this ZIP code |
| Ice storm | 68.2Relatively Low at its worst in this ZIP code |
| Hurricane | 33.3Very Low at its worst in this ZIP code |
| Earthquake | 27.1Very Low at its worst in this ZIP code |
Compared with Iowa and the United States
State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates
| This ZIP | Iowa | United States | |
|---|---|---|---|
| Median household income | $39,643 | $73,147 | $78,538 |
| Income per person | $25,458 | $39,728 | $43,289 |
| Poverty rate | 10% | 11% | 12.4% |
| Median home value | — | $195,900 | $303,400 |
| Median gross rent | — | $949 | $1,348 |
| Homeownership | — | 71.5% | 65% |
| Bachelor's degree or higher | 24.3% | 30.9% | 35% |
| Unemployment rate | — | 3.6% | 5.2% |
| Works from home | — | 10.4% | 13.5% |
| Born outside the US | 0% | 5.7% | 13.9% |
| Median age | 60.2 | 38.6 | 38.7 |
Climate
NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.
| Weather station | SIGOURNEY, IA US15.9 km away |
|---|---|
| Rain in a year | 37 in |
Average high and low by month
| January | 29.8°F / 11.5°F1.18 in rain |
|---|---|
| February | 34.6°F / 15.1°F1.47 in rain |
| March | 47.6°F / 26.3°F2.34 in rain |
| April | 60.7°F / 37.2°F3.7 in rain |
| May | 71°F / 49.1°F4.95 in rain |
| June | 80.6°F / 59.1°F5.11 in rain |
| July | 84.6°F / 62.7°F3.93 in rain |
| August | 82.8°F / 60.4°F4.76 in rain |
| September | 76.4°F / 51.7°F3.47 in rain |
| October | 63.4°F / 39.8°F2.78 in rain |
| November | 48.2°F / 27.7°F2.18 in rain |
| December | 35.3°F / 17.7°F1.54 in rain |
Access to food
USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.
| Low income and far from a supermarket | None of this ZIP code |
|---|---|
| Far from a supermarket | None of this ZIP code |
| No vehicle and far from a supermarket | None of this ZIP code |
School districts
NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.
| Tri-County Community School District | 100% of this ZIP code's land area |
|---|
Community and walkability
CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.
| Overall social vulnerability | 36more vulnerable than 36% of US census tracts |
|---|---|
| Socioeconomic status | 49more vulnerable than 49% of US census tracts |
| Household characteristics | 75more vulnerable than 75% of US census tracts |
| Racial and ethnic minority status | 12more vulnerable than 12% of US census tracts |
| Housing type and transport | 15more vulnerable than 15% of US census tracts |
| Walkability | 3.9 out of 20Least walkable |
Nearby ZIP codes
The closest ZIP codes by centre point, which is not the same as sharing a border.
| 50104 Gibson, IA | 5.5 km away |
|---|---|
| 50268 What Cheer, IA | 6.8 km away |
| 50136 Keswick, IA | 8.1 km away |
| 50027 Barnes City, IA | 11.8 km away |
| 52222 Deep River, IA | 13.2 km away |
| 52355 Webster, IA | 13.4 km away |
| 52550 Delta, IA | 15.3 km away |
| 52591 Sigourney, IA | 17.8 km away |
Location, counties and time zone
County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.
| Keokuk County | 100% of this ZIP code's land area |
|---|---|
| Time zone | Central (UTC-06:00 standard) |
| Daylight saving time | Observed |
| Land area | 0.19 sq mi |
| Latitude, longitude | 41.4547, -92.3357 |
Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.