PlainZIP

Galesburg, IL

Single-footprint Census roll-up for Galesburg, IL: 1 USPS ZIP, population 34,788. 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 GALESBURG-IL · Galesburg, IL 1 ZIPs · 34,788 pop · #21598/25278 · Knox County

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

  • INC-MID $50,546
  • RANK-BOTTOM #21598/25278
  • ABOVE-PEER over Altona
  • BOOK-ONE 1 ZIP
  • OWN-LOW 64% owners
  • POP-SMALL 34,788
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $100,600

Nearest income peer: Altona, IL ( $1,617 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 Galesburg

Lowest/highest poles plus county-sharing cities nearest Galesburg 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, Galesburg, IL sits among US cities with one of the lowest household incomes among US cities, on a small-city population base, across a single-ZIP footprint.

15th pct
household income vs 25,278 US cities
34,788
city population (Census)
1
USPS ZIP codes covered
$50,546
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 ($50,546 average) · poverty 18.3%. The primary code (61401) carries the ACS household fields that matter.

Owner-occupancy is comparatively low (63.9%) for this income tier, rent $810 may matter more than the home-value average.

Within Illinois, Fairfield is the closest lower-income city and Ridgway the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Galesburg.

Population concentration

One ZIP, 61401, is all of Galesburg

There is no split to weigh here: 61401 holds every one of Galesburg's 34,788 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

Mid-pack ZBP load on Galesburg's one ZIP

Citywide ZBP: 711 establishments, 12,529 employees , annual payroll $494,228k (~20 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 61401 (711 units) ; leading NAICS Retail trade (122) · also Health care and social assistance · Accommodation and food services .

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ZIP Codes in Galesburg, IL

These ZIP codes sit in Knox County, which covers 16 ZIP codes in all; 1 of them fall in Galesburg. See the Knox County roll-up →

Galesburg sits in the lower half of Knox County on income: Abingdon, Knoxville and Wataga report more, and only Altona reports less. Williamsfield marks the far end of that range at $98,125, 94% above Galesburg.

ZIP Code Population Median income Establishments Density
61401 34,788 $50,546 711 117
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Galesburg 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 Galesburg, .