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Zip Code 45804 — Lima, OH

45804 is a ZIP Code associated with Lima, OH, located within Allen. 45804 ranks #3 out of 13 ZIP codes in Allen County by population (and #317 out of 1,232 in OH). The area supports an estimated population of 13,608 residents across Data Pending housing units, with a population density of 247.3 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.715690, -84.069110)

Data MetricLocal Statistic
Postal / Zip Code45804
Primary CityLima
State / ProvinceOH
CountyAllen
Total Population13,608
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density247.3 people/sq mi
TimezoneAmerica/New_York

How 45804 Compares

MetricZIP 45804Allen CountyOH State Average
Population13,608108,577 (Total)11,810,293 (Total)
Average ZIP IncomeData PendingN/AN/A
Population Density247.3 /sq mi----
County Pop Rank#3 of 13----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 45806Lima4.1 mi10,974N/A
Zip 45801Lima4.4 mi21,739N/A
Zip 45805Lima5.0 mi24,387N/A
Zip 45854Lafayette6.8 mi293N/A
Zip 45888Uniopolis7.9 mi166N/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 →