ZIP Codes of Lake County, OH

Population & People
Population & People
Total Population
231,954
Household Income
Household Income
Median Income
$80,662
Housing
Housing
Total Housing Units
106,178
Business & Economy
Business & Economy
Total Businesses
5,588
Employment
Employment
Employment Rate
63.25%
Education
Education
Bachelor's Degree+
31.58%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 11 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:11 ZIP Codes (7 Standard, 4 PO Box, 0 Unique) [See All]
Area Codes:436 / 440
Timezone:Eastern (GMT -05:00)
Local Time:2:13:20 PM
Population:231,954 [See All]
FIPS:39085
CBSA:Cleveland, OH
Land Area:230 sq mi
Water Area:2 sq mi
Coordinates:41.6857, -81.3226
Quick Link:
https://www.zip-codes.com/county/oh-lake.asp
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Among Ohio's 10 most populous counties
#10 of 88 counties with 231,954 residents.

Standout ZIPs in this County


Most Populous
Mentor · 60,779 people
26.2% of county total
Highest Income
Perry · $96,500 median
1.2× county average
Largest Land Area
Painesville · 61.4 sq mi
Spans the most ground
Fastest Growth
Wickliffe · 6.4% (10-yr)
16,535 → 17,587 residents
Most Educated
Willoughby · 40.1% bachelor's+
11,255 of 28,081 adults 25+

Things worth knowing about Lake County


231,954 residents live across 11 ZIPs covering 230 sq mi, served by 8 distinct USPS-recognized cities.

Population moved from 229,458 to 231,954 from 2014 to 2024 — a +1.1% change. 6 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 44081 (Perry, $96,500 median) and poorest ZIP 44092 (Wickliffe, $70,801) are 20.3 miles apart — a 1.4× income gap across local geography.

Median home values vary 1.5× across this county — from $169,700 in 44095 (Eastlake) to $259,900 in 44094 (Willoughby).

Density varies 10× across the county — from 335 people/sq mi in 44081 (Perry) to 3,482 in 44095 (Eastlake).

Educational attainment ranges from 19.0% bachelor's+ in 44057 (Madison) to 40.1% in 44094 (Willoughby) — the breadth of educational profiles across the area.

Within Ohio, this is the #10 most populous of 88 counties and ranks #19 for median household income .

Weighted by population, the typical household earns about $81,295 across the county — reflecting what a typical resident sees, not a simple ZIP average.

31.6% of adults age 25+ hold a bachelor's degree or higher (53,284 of 168,722 reporting).

7 Standard delivery, 4 PO Box only, 0 single-entity Unique ZIPs serve this county.

All ZIP Codes in Lake County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
44060MentorStandard60,779$87,59940.50.3%
44077PainesvilleStandard57,325$85,05661.41.7%
44094WilloughbyStandard36,873$78,77240.14.1%
44095EastlakeStandard32,363$71,5439.3-3.4%
44057MadisonStandard19,445$75,61549.8-1.5%
44092WickliffeStandard17,587$70,8017.46.4%
44081PerryStandard6,971$96,50020.80.6%
44045Grand RiverPO Box611$79,4080.563.8%
44061MentorPO Box0.0
44097EastlakePO Box0.0
44096WilloughbyPO Box0.0

Adjacent & Nearby Counties