Home > IL > Henry County > Geneseo > Zip 61254

Zip Code 61254 — Geneseo, IL

ZIP Code 61254 is associated with Geneseo, IL, in Henry County. The listed population estimate is 12,135; estimated density is 28.1 people per square mile. Among records with population estimates, it ranks #2 of 16 in Henry County and #329 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.466920, -90.155510)

Data MetricLocal Statistic
Postal / Zip Code61254
Primary CityGeneseo
State / ProvinceIL
CountyHenry
Total Population12,135
Population Density28.1 people/sq mi
TimezoneAmerica/Chicago

How 61254 Compares

MetricZIP 61254Henry County recordsIL records
Population estimate12,13547,370 (sum)12,694,745 (sum)
Population Density28.1 /sq mi----
County population rank#2 of 16----
State population rank#329 of 1,390----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in IL

ZIP CodeCityDistancePopulation estimate
ZIP 61235Atkinson8.3 mi1,283
ZIP 61241Colona8.6 mi6,587
ZIP 61274Osco9.2 mi197
ZIP 61257Hillsdale9.2 mi844
ZIP 61236Barstow10.8 mi34

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →