Home > IL > Warren County > Monmouth > Zip 61462

Zip Code 61462 — Monmouth, IL

ZIP Code 61462 is associated with Monmouth, IL, in Warren County. The listed population estimate is 10,458; estimated density is 28.4 people per square mile. Among records with population estimates, it ranks #1 of 8 in Warren County and #362 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.910140, -90.651760)

Data MetricLocal Statistic
Postal / Zip Code61462
Primary CityMonmouth
State / ProvinceIL
CountyWarren
Total Population10,458
Population Density28.4 people/sq mi
TimezoneAmerica/Chicago

How 61462 Compares

MetricZIP 61462Warren County recordsIL records
Population estimate10,45814,945 (sum)12,694,745 (sum)
Population Density28.4 /sq mi----
County population rank#1 of 8----
State population rank#362 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 61447Kirkwood6.6 mi1,020
ZIP 61435Gerlaw7.3 mi271
ZIP 61423Cameron8.0 mi638
ZIP 61453Little York9.2 mi677
ZIP 61417Berwick11.1 mi182

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 →