PlainZIP

Colchester, IL

Single-footprint Census roll-up for Colchester, IL: 1 USPS ZIP, population 2,478. 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 COLCHESTER-IL · Colchester, IL 1 ZIPs · 2,478 pop · #15418/25278 · McDonough County

INC-MID · RANK-LOWER · PHOTO-FINISH · BOOK-ONE · OWN-MID · POP-VILLAGE · SPREAD-UNK · HOME-LOW

  • INC-MID $65,000
  • RANK-LOWER #15418/25278
  • PHOTO-FINISH ≈ Industry
  • BOOK-ONE 1 ZIP
  • OWN-MID 79% owners
  • POP-VILLAGE 2,478
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $119,000

Nearest income peer: Industry, IL (+ $1,786 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 Colchester

Lowest/highest poles plus county-sharing cities nearest Colchester 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, Colchester, IL sits among US cities with a below-median household income, on a village-scale population base, across a single-ZIP footprint.

39th pct
household income vs 25,278 US cities
2,478
city population (Census)
1
USPS ZIP codes covered
$65,000
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.

Below-median income with few delivery areas (1): read cost-of-living from the primary ZIP. Household income $65,000 and poverty 7.3% concentrate in 62326.

Owner-occupancy sits in a mixed band (79.0%) - check the ZIP page's tenure split before treating Colchester as a pure owner town.

Within Illinois, Herrick is the closest lower-income city and Wood River the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Colchester.

Population concentration

One ZIP, 62326, is all of Colchester

There is no split to weigh here: 62326 holds every one of Colchester's 2,478 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

Sparse ZBP book inside single-ZIP Colchester

Citywide ZBP: 34 establishments, 505 employees , annual payroll $26,424k (~14 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 62326 (34 units) ; leading NAICS Other services (except public administration) (8) · also Construction · Retail trade .

View your shortlist →

ZIP Codes in Colchester, IL

These ZIP codes sit in McDonough County, which covers 11 ZIP codes in all; 1 of them fall in Colchester. See the McDonough County roll-up →

Colchester sits in the lower half of McDonough County on income: Bushnell, Blandinsville and Industry report more, Macomb and Bardolph report less. Bardolph marks the far end of that range at $28,750, 56% below Colchester.

ZIP Code Population Median income Establishments Density
62326 2,478 $65,000 34 13
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Colchester 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 Colchester, .