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Williamson city, IA

ZIP Code 50272 — Williamson city, IA Demographics & Data

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Working ClassLow Snow Area

Map, Quick Facts & Location

Quick Facts

Local time
Population
228
Median Income
$53,438
-29% vs US avg
Home Value
$47,500
-86% vs US avg
Median Rent
N/A
Median Age
34.2 yrs
-12% vs US avg
Area Code
Congress
Top Ancestry
GermanIrishEnglish
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Location
Coordinates
41.0956, -93.2560
Elevation
965 ft
Land Area
0.8 sq mi
Water Area
0.0 sq mi

At a glance

Population
228
Density
N/A
Median income
$53,438
-29% vs US avg
Home value
$47,500
-86% vs US avg
Median rent
N/A
Timezone

Overview of ZIP Code 50272

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What to know about ZIP 50272

ZIP code 50272 covers Williamson, IA in Lucas County with a population of about 228.

At a glance, the area shows median age of 34.2 versus a U.S. median of about 38.9.

It sits in telephone area code 641; U.S. House district IA-3; the DES MOINES - AMES media market.

Income and economy in Williamson, IA

Median household income in ZIP 50272 is about $53,438 — about 29% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 26.8%; unemployment rate near 7.2%.

Labor and commute patterns include leading industry context around Retail trade, Healthcare, and Transportation; a mean commute of about 77.0 minutes (U.S. average near 26.8).

Housing and affordability in ZIP 50272

Median home value is about $47,500 — about 86% below the U.S. median home value ($348,079).

Housing tenure and rents show owner-occupancy near 88.6% (about 23.2 points above the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 50272 in Williamson, IA, a household would need roughly $13,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $305. That sits below the local median household income ($53,438), suggesting the typical household income is closer to a workable buy-in level under these assumptions. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

Climate risk and migration signals

FEMA’s National Risk Index rates natural-hazard risk for Williamson city, IA as Very Low (composite score 29.7), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (54.6) and flood (22.7). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Williamson city, IA show little to no average snow and around 37.3 inches of annual precipitation.

IRS migration statistics show a net inflow of about 13 for ZIP 50272 (Williamson city, IA) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.

Nearby (from this ZIP)

Airport DSM (36.7 miles (59.1 km)) · Simpson College (24.6 miles (39.5 km)) · Herbert Hoover National Historic Site (106.3 miles (171.1 km)) · VA: Knoxville CBOC (17.2 miles (27.7 km))

Full lists and map pins are in the Infrastructure section below.