U.S. PLACE PROFILE
DeKalb, IL
DeKalb is a City in DeKalb County, Illinois. The loaded 2025 population estimate is 40,467.
Published locationIllinois
Population estimate40,4672025 loaded Census estimate
CountyDeKalb CountyPrimary loaded county
Place typeCityCensus place classification
Coordinates41.92819, -88.74759Census representative point
EXPLORE FROM DEKALB
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.
Cortland, IL3.1 miles · E
Sycamore, IL5.9 miles · NE
Malta, IL6.4 miles · W
Maple Park, IL7.4 miles · E
Waterman, IL11.3 miles · S
Virgil, IL11.4 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 |
|---|---|
| DeKalb County | 40,467 |
DATA COVERAGE
What is available for DeKalb
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.