PlainZIP

Rock Falls, IL

Single-footprint Census roll-up for Rock Falls, IL: 1 USPS ZIP, population 14,381. 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 ROCK-FALLS-IL · Rock Falls, IL 1 ZIPs · 14,381 pop · #17663/25278 · Whiteside County

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

  • INC-MID $60,508
  • RANK-LOWER #17663/25278
  • PHOTO-FINISH ≈ Fulton
  • BOOK-ONE 1 ZIP
  • OWN-MID 76% owners
  • POP-TOWN 14,381
  • SPREAD-UNK Single-ZIP book
  • HOME-LOW $102,300

Nearest income peer: Fulton, IL ( $647 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 Rock Falls

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

30th pct
household income vs 25,278 US cities
14,381
city population (Census)
1
USPS ZIP codes covered
$60,508
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 $60,508 and poverty 18.1% concentrate in 61071.

Owner-occupancy sits in a mixed band (75.8%) - check the ZIP page's tenure split before treating Rock Falls as a pure owner town.

Within Illinois, Mount Vernon is the closest lower-income city and Benton the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Rock Falls.

Population concentration

Rock Falls's single ZIP 61071 carries the town

Rock Falls is published as a single USPS ZIP. Code 61071 is the entire residential footprint (14,381 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 Rock Falls's one ZIP

Citywide ZBP: 250 establishments, 2,808 employees , annual payroll $110,201k (~17 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 61071 (250 units) ; leading NAICS Accommodation and food services (45) · also Retail trade · Construction .

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ZIP Codes in Rock Falls, IL

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

Every one of the 11 cities sharing Whiteside County reports a higher average ZIP median income than Rock Falls, Sterling, Morrison and Prophetstown among them. That gap is the county's income spread, not a measure of the housing or commute picture below. Deer Grove marks the far end of that range at $148,309, 145% above Rock Falls.

ZIP Code Population Median income Establishments Density
61071 14,381 $60,508 250 78
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Rock Falls 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 Rock Falls, .