Home > IL > Hancock County > La Harpe > Zip 61450

Zip Code 61450 — La Harpe, IL

ZIP Code 61450 is associated with La Harpe, IL, in Hancock County. The listed population estimate is 1,812; estimated density is 9.2 people per square mile. Among records with population estimates, it ranks #4 of 16 in Hancock County and #705 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.576290, -90.980880)

Data MetricLocal Statistic
Postal / Zip Code61450
Primary CityLa Harpe
State / ProvinceIL
CountyHancock
Total Population1,812
Population Density9.2 people/sq mi
TimezoneAmerica/Chicago

How 61450 Compares

MetricZIP 61450Hancock County recordsIL records
Population estimate1,81218,420 (sum)12,694,745 (sum)
Population Density9.2 /sq mi----
County population rank#4 of 16----
State population rank#705 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 61420Blandinsville6.3 mi968
ZIP 62330Dallas City7.4 mi1,472
ZIP 61454Lomax8.0 mi579
ZIP 61480Stronghurst10.7 mi1,236
ZIP 61471Raritan11.6 mi134

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 →