Home > IL > Monroe County > Waterloo > Zip 62298

Zip Code 62298 — Waterloo, IL

ZIP Code 62298 is associated with Waterloo, IL, in Monroe County. The listed population estimate is 18,208; estimated density is 49.2 people per square mile. Among records with population estimates, it ranks #1 of 8 in Monroe County and #256 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (38.309060, -90.151320)

Data MetricLocal Statistic
Postal / Zip Code62298
Primary CityWaterloo
State / ProvinceIL
CountyMonroe
Total Population18,208
Population Density49.2 people/sq mi
TimezoneAmerica/Chicago

How 62298 Compares

MetricZIP 62298Monroe County recordsIL records
Population estimate18,20841,698 (sum)12,694,745 (sum)
Population Density49.2 /sq mi----
County population rank#1 of 8----
State population rank#256 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 62256Maeystown7.2 mi35
ZIP 62244Fults8.5 mi928
ZIP 62248Hecker8.6 mi521
ZIP 62295Valmeyer8.9 mi1,459
ZIP 62236Columbia9.2 mi14,154

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 →