| City: | Williamson, Iowa |
| County: | Lucas County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 7:10:26 AM |
| Population: | 118 [See All] |
| Area Code: | 641 |
| Classification: | PO Box |
| Coordinates: | 41.1173, -93.2704 |
| Land Area: | 0.363 sq mi |
| Quick Link: |
Williamson is a small rural community in Lucas County, Iowa, with a population of 118 residents living in 52 households. This ZIP code was classified as PO Box only before October 2004, and that classification remains accurate today. This is a PO Box Only Zone. There's no alternative mail delivery across the 0.36 square mile territory.
The Williamson post office maintains 66 PO Boxes for 52 local households, an adoption rate of 1.27. That means the post office serves not just town residents but people from surrounding rural areas who travel to Williamson for mail service. A single rural carrier route (R001) delivers to 48 addresses, but most residents rely on PO Box pickup at the post office.
Williamson covers just over a third of a square mile in southern Iowa. The town has a classic numbered grid street layout, with Main Street running north-south through the center. Other streets include 2nd Street, 3rd Street, and lettered streets like N A Street. Street names such as Arbor Avenue, Cottonwood Avenue, and Elm Street reflect the town's tree-lined character. The median age of 44 years and median household income of $53,438 indicate an established, working-age community.
With a median home value of $47,500 and 45 owner-occupied units out of 52 total households, Williamson is an affordable, stable community where most people own their homes. The town has 2 business delivery points but no recorded business establishments with employees in the Census data, suggesting very limited commercial activity.
Mail addressed to Williamson should use either a PO Box number or the rural route format, as city-style street delivery isn't available.
Classic small-town grid with numbered streets (2nd, 3rd) intersecting Main Street, plus tree-named avenues (Arbor, Cottonwood, Elm).
ZIP Code 50272 has 118 residents and 52 households (average 2.27 persons per household). The median age is 44.0 years, older than the state (38.6) and older than the nation (38.8). The gender split is 52.5% male and 47.5% female, which is higher than the national male share (49.1%), making this a male-majority area. Largest groups are White (98.3%, much higher than the state average of 84.5% and well above the national average of 61.6%) and Hispanic or Latino (2.5%); Hispanic or Latino residents make up 2.5%, which is much lower than the national average (18.7%).
Explore More:Population Over TimeBy Age & GenderBy RaceBy GenderNativity & Citizenship
| 2020 Population: | 118Source: Census DHC |
| 2024 ACS Population Estimate: | 190Source: Census ACS |
| 2026 ZC Population Estimate: | 0Source: ZIP-Codes.com |
| Population Density: | 325.1 people per sq mile |
| Average Income: | $45,000Source: Census ACS |
| Households: | 52Source: Census DHC |
| Average House Value: | $666,666,666Source: Census ACS |
| Persons Per Household: | 2.27Source: Census DHC |
| Average Family Size: | 3.03Source: Census ACS |
| Group | 2010 | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Census ACS Population Estimate | -- | 145 | 133 | 130 | 123 | 108 | 113 | 135 | 143 | 179 | 184 | 163 | 139 | 228 | 190 |
| Decennial Census | 152 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 118 | -- | -- | -- | -- |
Median Age: 44
Male Median Age: 47
Female Median Age: 41.5
| Group | < 5 | 5-9 | 10-14 | 15-19 | 20-24 | 25-29 | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 | 60-64 | 65-69 | 70-74 | 75-79 | 80-84 | 85+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Male | 3 | 1 | 6 | 5 | 3 | 3 | 3 | 1 | 4 | 3 | 8 | 7 | 7 | 2 | 1 | 5 | 0 | 0 |
| Female | 3 | 4 | 2 | 11 | 5 | 1 | 1 | 0 | 4 | 3 | 7 | 2 | 6 | 2 | 4 | 0 | 0 | 1 |
| Total | 6 | 5 | 8 | 16 | 8 | 4 | 4 | 1 | 8 | 6 | 15 | 9 | 13 | 4 | 5 | 5 | 0 | 1 |
| White: | 116 | 96.67% |
| Black: | 0 | 0% |
| Hispanic:* | 3 | 2.50% |
| Asian: | 0 | 0% |
| American Indian: | 0 | 0% |
| Hawaiian: | 0 | 0% |
| Other: | 1 | 0.83% |
| Total: | 120 | 100% |
| Gender | Count | % | Median Age |
|---|---|---|---|
| Males: | 62 | 52.54% | 47.0 years |
| Females: | 56 | 47.46% | 41.5 years |
| Total: | 118 | 100% | 44.0 years |
| Native, born in the United States: | 171 | 90.00% |
| Native, born in PR, Island Areas, or abroad: | 0 | 0.00% |
| Foreign born, naturalized U.S. citizen: | 1 | 0.53% |
| Foreign born, not a U.S. citizen: | 18 | 10.00% |
| Total Population: | 190 | 100% |
| Total Native Population: | 171 | 90.00% |
| Total Foreign-born Population: | 19 | 10.00% |
In 2024, the Median household income is $45,000, which is much lower than the national median ($80,734), is up $9,107 (25.4%) since 2011 and below its 2019 pre-pandemic level by $7,917. Family households earn a median of $50,625 versus $0 for nonfamily households (a difference of $50,625). By gender, male median income is $63,125 and female is $45,357, which is far less than the national female median ($55,274), with a current gap of $17,768 that has widened from 2011 to 2024. The labor-force participation rate is 50.0%, which is markedly below the national rate (63.5%). The unemployment rate is 8.5%, which is much higher than the national rate (5.2%). The largest occupation group is Production (30.8%).
Explore More:Income Over TimeHousehold IncomeEmployment StatusBy Occupation
| Income Type | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Household Income | $35,893 | $46,250 | $46,250 | $47,500 | $40,000 | $42,813 | $44,375 | $42,500 | $52,917 | $0 | $56,875 | $43,125 | $53,438 | $45,000 |
| Median Family Income | $38,750 | $60,833 | $38,750 | $53,750 | $51,250 | $61,250 | $73,750 | $76,250 | $79,583 | $77,813 | $81,500 | $81,250 | $78,750 | $50,625 |
| Median NonFamily Income | $25,625 | $31,250 | $56,250 | $44,375 | $36,250 | $38,438 | $0 | $22,000 | $21,750 | $19,000 | $20,625 | $0 | $0 | $0 |
| Median Male Income | $36,875 | $36,667 | $38,250 | $32,417 | $0 | $41,250 | $44,688 | $45,417 | $59,000 | $63,250 | $60,625 | $53,333 | $71,429 | $63,125 |
| Median Female Income | $57,500 | $58,750 | $73,000 | $0 | $0 | $0 | $0 | $37,188 | $36,250 | $38,036 | $0 | $0 | $0 | $45,357 |
| Employed: | 65 | 45.77% |
| Unemployed: | 6 | 4.23% |
| Not In Labor Force: | 71 | 50.00% |
| Total: | 142 | 100% |
| Management, business, science, and arts: | 16 | 24.62% |
| Service: | 1 | 1.54% |
| Sales and Office: | 17 | 26.15% |
| Natural resources, construction, and maintenance: | 11 | 16.92% |
| Production, transportation, and material moving: | 20 | 30.77% |
| Total Civilian Employed Population: | 65 | 100% |
In 2024, the median home value is $0, which is much lower than the national median ($332,700), is down $40,700 (100.00%) since 2011 and below its 2019 pre-pandemic level by $53,100. The median gross rent is $631, which is much lower than the national median ($1,413), is up $256 (68.27%) since 2011 and above its 2019 pre-pandemic level by $631. Of occupied housing, owners make up 78.21% (21.31% with a mortgage, 78.69% free-and-clear) and renters 21.79% - making this ZIP Code under national rental averages. The vacancy rate is 24.27%, which is much higher than the national rate (10.12%).
Explore More:Compare Home ValueHome Value Over TimeRent & Over TimeHousing Occupancy
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Home Value | $40,700 | $28,800 | $23,500 | $29,700 | $27,900 | $43,800 | $41,700 | $51,800 | $53,100 | $53,300 | $55,600 | $52,700 | $47,500 | $0 |
| Less than $500: | 0 | 0.00% |
| $500 to $999: | 8 | 47.06% |
| $1,000 to $1,499: | 2 | 11.76% |
| $1,500 to $1,999: | 0 | 0.00% |
| $2,000 to $2,499: | 0 | 0.00% |
| $2,500 to $2,999: | 0 | 0.00% |
| $3,000 or more: | 0 | 0.00% |
| No Rent: | 7 | 41.18% |
| Total: | 17 | 100% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Median Rent | $375 | $638 | $675 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $0 | $631 |
| Owner Occupied (with mortgage): | 13 | 16.67% |
| Owner Occupied (free and clear, no mortgage): | 48 | 61.54% |
| Renter Occupied: | 17 | 21.79% |
| Total Occupied Housing Units: | 78 | 100% |
| Occupied Housing Units: | 78 | 75.73% |
| Vacant Housing Units (not graphed): | 25 | 24.27% |
| Total Housing Units: | 103 | 100% |
| Single-Family Units: | 88 | 85.44% |
| Multi-Family Units: | 1 | 0.97% |
| Other Units: | 14 | 13.59% |
| Total Housing Units: | 103 | 100% |
In 2024, 0.00% of adults (25+) have a bachelor's degree or higher, which is far lower than the national rate (35.70%). High school or higher is 87.30%, which is comparable to the national rate (89.60%). The uninsured rate is 6.80%, which is comparable to the national rate (8.40%). Private coverage is 43.20%, which is falls below the national rate (67.10%). Public coverage is 65.30%, which is far higher than the national rate (36.70%). The share of people in poverty is 33.30%, which is comparable to the national rate (8.80%), down 1.60 percentage points since 2011 and above its 2019 pre-pandemic level by 11.90 percentage points. This suggests a positive shift in the local economic and social landscape - higher incomes, steadier consumer demand, and a strengthening tax base. Among residents ages 3+, the largest enrollment group is pre-K (29.55%). College enrollment is 18.18%, which is comparable to the national rate (26.70%), meaning the community mirrors broader higher-education participation.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 9 | 6.72% |
| 9th to 12th grade, no diploma: | 8 | 5.97% |
| High school graduate (includes equivalency): | 54 | 40.30% |
| Some college, no degree: | 49 | 36.57% |
| Associate's degree: | 14 | 10.45% |
| Bachelor's degree: | 0 | 0.00% |
| Graduate or professional degree: | 0 | 0.00% |
| Total: | 134 | 100% |
| High school or higher: | 117 | 87.31% |
| Bachelor's degree or higher: | 0 | 0.00% |
| Private Insurance: | 82 | 37.44% |
| Public Insurance: | 124 | 56.62% |
| No Insurance: | 13 | 5.94% |
| Total: | 219 | 100% |
| Has Health Insurance: | 206 | 94.06% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | 16.1% | 30.0% | 40.6% | 35.5% | 28.6% | 19.2% | 10.0% | 7.1% | 2.6% | 12.1% | 6.3% | 6.7% | 14.5% | 33.3% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 13 | 29.55% |
| Kindergarten: | 0 | 0.00% |
| Elementary school (grades 1-8): | 13 | 29.55% |
| High school (grades 9-12): | 10 | 22.73% |
| College or graduate school: | 8 | 18.18% |
| Total: | 44 | 100% |
| Early Childhood: | 13 | 29.55% |
| K-12 (Primary & Secondary School): | 23 | 52.27% |
ZIP Code 50272 is designated for PO Box delivery only; business establishment and employment data are not available.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 69Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 50272 is located in Lucas County, Iowa, within the Metropolitan Statistical Area (CBSA ) and Iowa's 3rd Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 50272. It covers 0.363 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | --Source: Census |
| CBSA Number: | --Source: Census |
| CBSA Type: | --Source: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 0Source: Census |
| MSA: | Source: Census |
| Land Area: | 0.363 sq miSource: Census |
| Water Area: | --Source: Census |
| Congressional District: | 03Source: USPS |
| Congressional Land Area: | 8789.62 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1985935Source: Census |
| Place Name: | Williamson city; IowaSource: Census |
We could not locate which school district 50272 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.