U.S. PLACE PROFILE
Quincy, IL
Quincy is a City in Adams County, Illinois. The loaded 2025 population estimate is 38,918.
Published locationIllinois
Population estimate38,9182025 loaded Census estimate
CountyAdams CountyPrimary loaded county
Place typeCityCensus place classification
Coordinates39.93368, -91.37930Census representative point
EXPLORE FROM QUINCY
Distance and nearby-place tools
Only tools with enough qualifying stored data are linked below.
Closest published places
Nearest qualifying Census places by straight-line distance.
Ursa, IL9.7 miles · N
La Grange, MO10.2 miles · NW
Payson, IL10.8 miles · SE
Mendon, IL11.8 miles · NE
Palmyra, MO12.2 miles · SW
Columbus, IL12.9 miles · E
County coverage
Some incorporated places cross county lines. These county-part values come from the loaded Census county-place-part population layer.
| County | 2025 population in this place part |
|---|---|
| Adams County | 38,918 |
DATA COVERAGE
What is available for Quincy
Geographic identityNearby placesPopulation estimate100-mile radius25-mile radius50-mile radius
PRIMARY GEOGRAPHIC SOURCE
U.S. Census Bureau
Place identity, coordinates and geographic identifiers are tied to the loaded Census source record for this location.