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Zip Code 62703 — Springfield, IL

62703 is a ZIP Code associated with Springfield, IL, located within Sangamon. The postal region supports an estimated population of 28,922 residents across Data Pending housing units, with a population density of 748.6 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.762760, -89.631060)

Data Metric	Local Statistic
Postal / Zip Code	62703
Primary City	Springfield
State / Province	IL
County	Sangamon
Total Population	28,922
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	748.6 people/sq mi
Timezone	America/Chicago

How 62703 Compares

Metric	ZIP 62703	Sangamon County	IL State Average
Population	28,922	194,839	12,694,745
Median Income	Data Pending	N/A	N/A
Population Density	748.6 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 62712	Springfield	2.7 mi	10,045	N/A
Zip 62706	Springfield	2.7 mi	N/A	N/A
Zip 62701	Springfield	2.8 mi	1,205	N/A
Zip 62704	Springfield	3.0 mi	40,046	N/A
Zip 62702	Springfield	4.3 mi	31,033	N/A

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 →