PlainZIP

Quincy, IL

Single-footprint Census roll-up for Quincy, IL: 2 USPS ZIPs, population 51,810. 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 QUINCY-IL · Quincy, IL 2 ZIPs · 51,810 pop · #14141/25278 · Adams County

INC-MID · RANK-MID · PHOTO-FINISH · BOOK-FEW · OWN-MID · POP-SMALL · SPREAD-MOD · HOME-LOW

  • INC-MID $67,827
  • RANK-MID #14141/25278
  • PHOTO-FINISH ≈ Loraine
  • BOOK-FEW 2 ZIPs
  • OWN-MID 72% owners
  • POP-SMALL 51,810
  • SPREAD-MOD 62301→62305
  • HOME-LOW $174,350

Nearest income peer: Loraine, IL (+ $154 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 Quincy

Lowest/highest poles plus county-sharing cities nearest Quincy 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, Quincy, IL sits among US cities with a below-median household income, on a small-city population base, across a handful of delivery areas.

44th pct
household income vs 25,278 US cities
51,810
city population (Census)
2
USPS ZIP codes covered
$67,827
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 (2): read cost-of-living from the primary ZIP. Household income $67,827 and poverty 13.3% concentrate in 62301.

Owner-occupancy sits in a mixed band (71.8%) - check the ZIP page's tenure split before treating Quincy as a pure owner town.

Within Illinois, Mulkeytown is the closest lower-income city and Prairie Du Rocher the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Quincy.

Within-city ZIP comparison

Where the ZIP codes inside Quincy differ

Quincy's city average masks two linked splits. Median household income runs from $52,055 in ZIP 62301 to $83,598 in ZIP 62305, while home values span $135,100 in 62301 to $213,600 in 62305. Compare the endpoint ZIPs before treating the city-level number as a neighborhood-level answer.

Income high-to-low ratio
1.6×

62301 to 62305

Home-value high-to-low ratio
1.6×

62301 to 62305

Poverty-rate spread
12.1 points

62305 to 62301

Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.

Population concentration

Lead ZIP 62301 skews compact Quincy

In this 2-ZIP cluster, 62301 covers about 65% of Quincy's 51,810 residents. City averages lean toward that lead; open a thinner sibling ZIP for the contrast the mean hides.

Census ZBP business roll-up

Employer-heavy short list in Quincy

Citywide ZBP: 1,507 establishments, 29,810 employees , annual payroll $1,674,168k (~29 establishments per 1,000 residents) across 2 of 2 ZIPs. Peak business ZIP 62301 (1,030 units) ; leading NAICS Retail trade (224) · also Other services (except public administration) · Health care and social assistance .

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ZIP Codes in Quincy, IL

These ZIP codes sit in Adams County, which covers 16 ZIP codes in all; 2 of them fall in Quincy. See the Adams County roll-up →

Quincy sits in the lower half of Adams County on income: Liberty, Camp Point and Mendon report more, Payson, Ursa and Golden report less. Liberty marks the far end of that range at $93,810, 38% above Quincy.

Side-by-side: Compare 62301 vs 62305 →

ZIP Code Population Median income Establishments Density
62301 33,758 $52,055 1,030 1,151
62305 18,052 $83,598 477 50
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Quincy 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 Quincy, .