Zip Code 45504 — Springfield, OH

ZIP Code 45504 is associated with Springfield, OH, in Clark County. The listed population estimate is 16,363; estimated density is 287.8 people per square mile. Among records with population estimates, it ranks #5 of 15 in Clark County and #272 of 1,215 in OH.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (39.948110, -83.864810)

Data MetricLocal Statistic
Postal / Zip Code45504
Primary CitySpringfield
State / ProvinceOH
CountyClark
Total Population16,363
Population Density287.8 people/sq mi
TimezoneAmerica/New_York

How 45504 Compares

MetricZIP 45504Clark County recordsOH records
Population estimate16,363134,795 (sum)11,810,293 (sum)
Population Density287.8 /sq mi----
County population rank#5 of 15----
State population rank#272 of 1,215----

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 OH

ZIP CodeCityDistancePopulation estimate
ZIP 45502Springfield2.9 mi17,692
ZIP 45501Springfield3.4 miN/A
ZIP 45506Springfield3.5 mi13,435
ZIP 45319Donnelsville4.7 mi308
ZIP 45372Tremont City4.8 mi265

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 →