PlainZIP

South Beloit, IL

Single-footprint Census roll-up for South Beloit, IL: 1 USPS ZIP, population 10,599. 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 SOUTH-BELOIT-IL · South Beloit, IL 1 ZIPs · 10,599 pop · #10487/25278 · Winnebago County

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

  • INC-HIGH $76,579
  • RANK-MID #10487/25278
  • PHOTO-FINISH ≈ Machesney Park
  • BOOK-ONE 1 ZIP
  • OWN-MID 73% owners
  • POP-TOWN 10,599
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $181,200

Nearest income peer: Machesney Park, IL ( $1,216 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 South Beloit

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

Top 41%
household income vs 25,278 US cities
10,599
city population (Census)
1
USPS ZIP codes covered
$76,579
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 61080 (10,599 residents). Household income $76,579 is the roll-up; open the ZIP for tenure and commute.

Owner-occupancy sits in a mixed band (72.9%) - check the ZIP page's tenure split before treating South Beloit as a pure owner town.

Within Illinois, Fairbury is the closest lower-income city and Belvidere the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for South Beloit.

Population concentration

South Beloit's single ZIP 61080 carries the town

South Beloit is published as a single USPS ZIP. Code 61080 is the entire residential footprint (10,599 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

Mid-pack ZBP load on South Beloit's one ZIP

Citywide ZBP: 219 establishments, 2,964 employees , annual payroll $146,513k (~21 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 61080 (219 units) ; leading NAICS Manufacturing (41) · also Retail trade · Accommodation and food services .

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ZIP Codes in South Beloit, IL

These ZIP codes sit in Winnebago County, which covers 20 ZIP codes in all; 1 of them fall in South Beloit. See the Winnebago County roll-up →

South Beloit lands mid-pack among the 10 cities sharing Winnebago County: Roscoe, Rockton and Winnebago earn more and Rockford, Loves Park and Durand earn less. Shirland marks the far end of that range at $46,367, 39% below South Beloit.

ZIP Code Population Median income Establishments Density
61080 10,599 $76,579 219 163
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

South Beloit 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 South Beloit, .