| ZIP Codes: | 16 ZIP Codes (14 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 436 / 440 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:20 PM |
| Population: | 307,803 [See All] |
| FIPS: | 39093 |
| CBSA: | Cleveland, OH |
| Land Area: | 448 sq mi |
| Water Area: | 9 sq mi |
| Coordinates: | 41.3596, -82.1290 |
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307,803 residents live across 16 ZIPs covering 448 sq mi, served by 13 distinct USPS-recognized cities.
Population moved from 293,949 to 307,803 from 2014 to 2024 — a +4.7% change. 7 ZIPs gained residents, 8 lost.
The county's wealthiest ZIP 44011 (Avon, $135,915 median) and poorest ZIP 44055 (Lorain, $40,636) are 6.2 miles apart — a 3.3× income gap across local geography.
Median home values vary 3.9× across this county — from $101,400 in 44055 (Lorain) to $395,900 in 44011 (Avon).
Density varies 33× across the county — from 102 people/sq mi in 44090 (Wellington) to 3,389 in 44052 (Lorain).
Educational attainment ranges from 9.1% bachelor's+ in 44055 (Lorain) to 58.6% in 44011 (Avon) — the breadth of educational profiles across the area.
Within Ohio, this is the #9 most populous of 88 counties and ranks #16 for median household income .
Weighted by population, the typical household earns about $79,760 across the county — reflecting what a typical resident sees, not a simple ZIP average.
28.5% of adults age 25+ hold a bachelor's degree or higher (61,527 of 215,830 reporting).
14 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
Median household income spans 3.3× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 44035 | Elyria | Standard | 62,179 | $56,408 | 47.8 | -2.2% |
| 44039 | North Ridgeville | Standard | 36,780 | $96,485 | 24.2 | 19.4% |
| 44052 | Lorain | Standard | 28,282 | $45,023 | 8.3 | -1.2% |
| 44012 | Avon Lake | Standard | 25,752 | $115,567 | 11.1 | 12.5% |
| 44011 | Avon | Standard | 25,317 | $135,915 | 20.7 | 16.2% |
| 44001 | Amherst | Standard | 21,448 | $90,139 | 30.3 | 4.2% |
| 44053 | Lorain | Standard | 21,084 | $67,484 | 11.1 | 14.9% |
| 44055 | Lorain | Standard | 20,043 | $40,636 | 8.3 | -3.8% |
| 44044 | Grafton | Standard | 14,721 | $88,333 | 54.9 | -6.4% |
| 44054 | Sheffield Lake | Standard | 12,806 | $75,572 | 12.6 | 0.0% |
| 44074 | Oberlin | Standard | 11,745 | $80,801 | 53.8 | -1.9% |
| 44090 | Wellington | Standard | 10,670 | $76,906 | 104.7 | -5.2% |
| 44028 | Columbia Station | Standard | 9,671 | $87,595 | 34.0 | 17.0% |
| 44050 | Lagrange | Standard | 7,059 | $103,611 | 26.2 | 14.2% |
| 44049 | Kipton | PO Box | 246 | $68,929 | 0.2 | -4.7% |
| 44036 | Elyria | PO Box | — | — | 0.0 | — |