Williamson, IA

Single-footprint Census roll-up for Williamson, IA: 1 USPS ZIP, population 152. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet WILLIAMSON-IA · Williamson, IA 1 ZIPs · 152 pop · #23079/25278 · Lucas County

INC-MID · RANK-BOTTOM · ABOVE-PEER · BOOK-ONE · OWN-MID · POP-VILLAGE · SPREAD-UNK · HOME-UNK

  • INC-MID $45,000
  • RANK-BOTTOM #23079/25278
  • ABOVE-PEER over Derby
  • BOOK-ONE 1 ZIP
  • OWN-MID 78% owners
  • POP-VILLAGE 152
  • SPREAD-UNK Single-ZIP book
  • HOME-UNK Homes pending

Nearest income peer: Derby, IA ( $8,500 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Williamson

Lowest/highest poles plus county-sharing cities nearest Williamson on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Williamson, IA sits among US cities with one of the lowest household incomes among US cities, on a village-scale population base, across a single-ZIP footprint.

9th pct
household income vs 25,278 US cities
152
city population (Census)
1
USPS ZIP codes covered
$45,000
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Lower-income footing on only 1 ZIP ($45,000 average) · poverty 35.8%. The primary code (50272) carries the ACS household fields that matter.

Owner-occupancy sits in a mixed band (78.2%) - check the ZIP page's tenure split before treating Williamson as a pure owner town.

Within Iowa, Otho is the closest lower-income city and Redding the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Williamson.

Population concentration

One ZIP, 50272, is all of Williamson

There is no split to weigh here: 50272 holds every one of Williamson's 152 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.

Census ZBP business roll-up

No ZBP establishments filed for Williamson's ZIPs

Census County Business Patterns has no establishment rows joined to the ACS ZIPs mapped to Williamson. Read demography on this page; business counts are absent for this footprint.

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ZIP Codes in Williamson, IA

These ZIP codes sit in Lucas County, which covers 5 ZIP codes in all; 1 of them fall in Williamson. See the Lucas County roll-up →

Williamson sits in the lower half of Lucas County on income: Chariton, Russell and Lucas report more, and only Derby reports less. Lucas marks the far end of that range at $91,061, 102% above Williamson.

ZIP Code Population Median income Establishments Density
50272 152 $45,000 n/a 79

Williamson roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Williamson, .