ZIP codes in Lorain County
25 ZIPs touch Lorain County, Ohio. The blue dashed line is the county border; orange ZIPs reach into it.
25
ZIP codes
10
cross the county line
418,292
people in these ZIPs
88
counties in OH
Most people
Lorain County ZIP list
More counties in Ohio
- Jefferson County25
- Knox County17
- Lake County14
- Lawrence County15
- Licking County32
- Logan County19
- Lucas County48
- Madison County12
- Mahoning County41
- Marion County16
- Medina County26
- Meigs County17
Questions people actually ask
How many ZIP codes are in Lorain County, Ohio?
25 ZIP codes reach into Lorain County, including 1 PO Box or single-address ZIPs placed by the town they serve. 10 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Lorain County has the most people?
44256 (Medina) has about 64,924 residents, the most of any ZIP touching Lorain County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Lorain County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Lorain County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from