| ZIP Codes: | 13 ZIP Codes (11 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 517 / 616 / 989 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:32 PM |
| Population: | 65,984 [See All] |
| FIPS: | 26067 |
| CBSA: | Grand Rapids-Wyoming-Kentwood, MI |
| Land Area: | 591 sq mi |
| Water Area: | 10 sq mi |
| Coordinates: | 42.9897, -85.0523 |
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65,984 residents live across 13 ZIPs covering 591 sq mi, served by 13 distinct USPS-recognized cities.
Population moved from 63,048 to 65,984 from 2014 to 2024 — a +4.7% change. 9 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 48875 (Portland, $94,216 median) and poorest ZIP 48860 (Muir, $50,600) are 13.7 miles apart — a 1.9× income gap across local geography.
Median home values vary 1.7× across this county — from $141,900 in 48865 (Orleans) to $244,200 in 48815 (Clarksville).
Density varies 4× across the county — from 45 people/sq mi in 48873 (Pewamo) to 196 in 48846 (Ionia).
Educational attainment ranges from 7.1% bachelor's+ in 48860 (Muir) to 29.9% in 48875 (Portland) — the breadth of educational profiles across the area.
Within Michigan, this is the #30 most populous of 83 counties and ranks #28 for median household income .
Weighted by population, the typical household earns about $75,426 across the county — reflecting what a typical resident sees, not a simple ZIP average.
18.5% of adults age 25+ hold a bachelor's degree or higher (8,585 of 46,388 reporting).
11 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 48846 | Ionia | Standard | 21,613 | $66,742 | 110.4 | 7.2% |
| 48875 | Portland | Standard | 11,400 | $94,216 | 86.6 | 8.5% |
| 48809 | Belding | Standard | 11,038 | $71,071 | 84.8 | 3.0% |
| 48849 | Lake Odessa | Standard | 5,723 | $80,313 | 84.9 | -1.1% |
| 48881 | Saranac | Standard | 5,499 | $78,607 | 57.4 | 2.6% |
| 48851 | Lyons | Standard | 2,462 | $65,726 | 34.1 | -2.1% |
| 48815 | Clarksville | Standard | 2,364 | $85,962 | 27.3 | 2.6% |
| 48865 | Orleans | Standard | 1,884 | $70,039 | 21.7 | 6.6% |
| 48860 | Muir | Standard | 1,339 | $50,600 | 28.9 | 4.4% |
| 48873 | Pewamo | Standard | 1,250 | $86,250 | 27.7 | -19.4% |
| 48845 | Hubbardston | Standard | 1,218 | $86,042 | 26.8 | 29.7% |
| 48870 | Palo | PO Box | 194 | $34,290 | 0.5 | 22.0% |
| 48887 | Smyrna | PO Box | — | — | 0.0 | — |