Home > IL > Moultrie County > Sullivan > Zip 61951

Zip Code 61951 — Sullivan, IL

ZIP Code 61951 is associated with Sullivan, IL, in Moultrie County. The listed population estimate is 7,787; estimated density is 22.8 people per square mile. Among records with population estimates, it ranks #1 of 5 in Moultrie County and #408 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.591180, -88.586500)

Data MetricLocal Statistic
Postal / Zip Code61951
Primary CitySullivan
State / ProvinceIL
CountyMoultrie
Total Population7,787
Population Density22.8 people/sq mi
TimezoneAmerica/Chicago

How 61951 Compares

MetricZIP 61951Moultrie County recordsIL records
Population estimate7,78716,624 (sum)12,694,745 (sum)
Population Density22.8 /sq mi----
County population rank#1 of 5----
State population rank#408 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 61911Arthur10.0 mi4,508
ZIP 61914Bethany10.1 mi1,771
ZIP 61928Gays10.4 mi776
ZIP 61957Windsor10.5 mi1,707
ZIP 61937Lovington10.8 mi1,782

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 →