PlainZIP

Fairfield, IL

Single-footprint Census roll-up for Fairfield, IL: 1 USPS ZIP, population 8,867. 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 FAIRFIELD-IL · Fairfield, IL 1 ZIPs · 8,867 pop · #21603/25278 · Wayne County

INC-MID · RANK-BOTTOM · PHOTO-FINISH · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-LOW

  • INC-MID $50,536
  • RANK-BOTTOM #21603/25278
  • PHOTO-FINISH ≈ Ellery
  • BOOK-ONE 1 ZIP
  • OWN-MID 77% owners
  • POP-TOWN 8,867
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $103,900

Nearest income peer: Ellery, IL (+ $589 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 Fairfield

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

15th pct
household income vs 25,278 US cities
8,867
city population (Census)
1
USPS ZIP codes covered
$50,536
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 ($50,536 average) · poverty 15.6%. The primary code (62837) carries the ACS household fields that matter.

Owner-occupancy sits in a mixed band (76.8%) - check the ZIP page's tenure split before treating Fairfield as a pure owner town.

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

Population concentration

Fairfield's single ZIP 62837 carries the town

Fairfield is published as a single USPS ZIP. Code 62837 is the entire residential footprint (8,867 ACS residents), so the city page and the ZIP page tell the same household story, open that ZIP for income, tenure, and commute detail.

Census ZBP business roll-up

Dense ZBP book packed into Fairfield's one ZIP

Citywide ZBP: 259 establishments, 3,027 employees , annual payroll $127,364k (~29 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 62837 (259 units) ; leading NAICS Retail trade (49) · also Other services (except public administration) · Health care and social assistance .

View your shortlist →

ZIP Codes in Fairfield, IL

These ZIP codes sit in Wayne County, which covers 12 ZIP codes in all; 1 of them fall in Fairfield. See the Wayne County roll-up →

Fairfield sits in the lower half of Wayne County on income: Cisne, Geff and Sims report more, Barnhill and Golden Gate report less. Keenes marks the far end of that range at $96,728, 91% above Fairfield.

ZIP Code Population Median income Establishments Density
62837 8,867 $50,536 259 21
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Fairfield 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 Fairfield, .