PlainZIP

Knoxville, IL

Single-footprint Census roll-up for Knoxville, IL: 1 USPS ZIP, population 3,823. 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 KNOXVILLE-IL · Knoxville, IL 1 ZIPs · 3,823 pop · #8492/25278 · Knox County

INC-HIGH · RANK-UPPER · ABOVE-PEER · BOOK-ONE · OWN-HIGH · POP-VILLAGE · SPREAD-UNK · HOME-LOW

  • INC-HIGH $82,500
  • RANK-UPPER #8492/25278
  • ABOVE-PEER over East Galesburg
  • BOOK-ONE 1 ZIP
  • OWN-HIGH 87% owners
  • POP-VILLAGE 3,823
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $146,100

Nearest income peer: East Galesburg, IL ( $3,167 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 Knoxville

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

Top 34%
household income vs 25,278 US cities
3,823
city population (Census)
1
USPS ZIP codes covered
$82,500
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.

Above-median income on a short ZIP list (1) - lead code 61448 (3,823 residents). Household income $82,500 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy here runs high (86.6%) - tenure is stable enough that the ZIP detail's owner share is the right next click, not a renter-heavy compare.

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

Population concentration

Knoxville reads through its lone ZIP, 61448

3,823 ACS residents, one ZIP: 61448 is not the leading code inside Knoxville, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.

Census ZBP business roll-up

Mid-pack ZBP load on Knoxville's one ZIP

Citywide ZBP: 59 establishments, 312 employees , annual payroll $10,403k (~15 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 61448 (59 units) ; leading NAICS Other services (except public administration) (12) · also Construction · Retail trade .

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ZIP Codes in Knoxville, IL

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

Knoxville sits in the upper half of Knox County on income: Galesburg, Abingdon and Wataga report less, while Oneida and Williamsfield report more. Altona marks the far end of that range at $48,929, 41% below Knoxville.

ZIP Code Population Median income Establishments Density
61448 3,823 $82,500 59 35
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Knoxville 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 Knoxville, .