Zip Code 62704 — Springfield, IL

ZIP Code 62704 is associated with Springfield, IL, in Sangamon County. The listed population estimate is 40,046; estimated density is 1,264.7 people per square mile. Among records with population estimates, it ranks #1 of 25 in Sangamon County and #77 of 1,390 in IL.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.773580, -89.685030)

Data MetricLocal Statistic
Postal / Zip Code62704
Primary CitySpringfield
State / ProvinceIL
CountySangamon
Total Population40,046
Population Density1,264.7 people/sq mi
TimezoneAmerica/Chicago

How 62704 Compares

MetricZIP 62704Sangamon County recordsIL records
Population estimate40,046194,839 (sum)12,694,745 (sum)
Population Density1,264.7 /sq mi----
County population rank#1 of 25----
State population rank#77 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 62706Springfield2.3 miN/A
ZIP 62711Springfield2.5 mi18,559
ZIP 62701Springfield2.7 mi1,205
ZIP 62703Springfield3.0 mi28,922
ZIP 62702Springfield4.1 mi31,033

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 →