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Zip Code 45638 — Ironton, OH

45638 is a ZIP Code associated with Ironton, OH, located within Lawrence. The postal region supports an estimated population of 19,982 residents across Data Pending housing units, with a population density of 100.3 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.562170, -82.676070)

Data Metric	Local Statistic
Postal / Zip Code	45638
Primary City	Ironton
State / Province	OH
County	Lawrence
Total Population	19,982
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	100.3 people/sq mi
Timezone	America/New_York

How 45638 Compares

Metric	ZIP 45638	Lawrence County	OH State Average
Population	19,982	56,680	11,810,293
Median Income	Data Pending	N/A	N/A
Population Density	100.3 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 45636	Haverhill	7.6 mi	330	N/A
Zip 45645	Kitts Hill	7.8 mi	2,801	N/A
Zip 45659	Pedro	8.1 mi	2,614	N/A
Zip 45629	Franklin Furnace	9.6 mi	3,055	N/A
Zip 45680	South Point	10.2 mi	11,548	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 →