| ZIP Codes: | 15 ZIP Codes (13 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 231 / 616 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:34 PM |
| Population: | 176,982 [See All] |
| FIPS: | 26121 |
| CBSA: | Muskegon-Norton Shores, MI |
| Land Area: | 570 sq mi |
| Water Area: | 53 sq mi |
| Coordinates: | 43.2831, -86.1614 |
| Quick Link: |
176,982 residents live across 15 ZIPs covering 570 sq mi, served by 10 distinct USPS-recognized cities.
Population moved from 173,179 to 176,910 from 2014 to 2024 — a +2.2% change. 9 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 49445 (Muskegon, $84,877 median) and poorest ZIP 49440 (Muskegon, $46,808) are 4.6 miles apart — a 1.8× income gap across local geography.
Median home values vary 1.9× across this county — from $136,400 in 49442 (Muskegon) to $265,300 in 49461 (Whitehall).
Density varies 31× across the county — from 55 people/sq mi in 49425 (Holton) to 1,718 in 49440 (Muskegon).
Most of the decade's growth concentrated around Muskegon — top growth ZIPs averaged +19.4% over the past ten years ( 49440 , 49461 and 49442 ).
Educational attainment ranges from 10.4% bachelor's+ in 49442 (Muskegon) to 35.0% in 49440 (Muskegon) — the breadth of educational profiles across the area.
Within Michigan, this is the #11 most populous of 83 counties and ranks #32 for median household income .
Weighted by population, the typical household earns about $65,340 across the county — reflecting what a typical resident sees, not a simple ZIP average.
21.1% of adults age 25+ hold a bachelor's degree or higher (26,012 of 123,058 reporting). The most-educated ZIPs cluster around Muskegon.
13 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 |
|---|---|---|---|---|---|---|
| 49442 | Muskegon | Standard | 44,766 | $48,563 | 49.1 | 4.5% |
| 49441 | Muskegon | Standard | 36,779 | $67,427 | 27.6 | 3.4% |
| 49444 | Muskegon | Standard | 26,372 | $53,054 | 22.0 | -5.1% |
| 49445 | Muskegon | Standard | 21,289 | $84,877 | 64.8 | 4.1% |
| 49457 | Twin Lake | Standard | 11,086 | $78,225 | 80.8 | 3.0% |
| 49461 | Whitehall | Standard | 9,707 | $83,363 | 45.9 | 9.2% |
| 49437 | Montague | Standard | 6,895 | $82,805 | 69.2 | -1.6% |
| 49415 | Fruitport | Standard | 6,330 | $81,908 | 27.9 | 0.9% |
| 49451 | Ravenna | Standard | 6,298 | $71,563 | 84.3 | 1.1% |
| 49425 | Holton | Standard | 3,520 | $62,841 | 64.4 | -5.7% |
| 49318 | Casnovia | Standard | 1,604 | $81,591 | 18.6 | 2.4% |
| 49440 | Muskegon | Standard | 1,492 | $46,808 | 0.9 | 44.4% |
| 49303 | Bailey | Standard | 772 | $78,917 | 14.4 | -24.8% |
| 49443 | Muskegon | PO Box | 72 | — | 0.0 | — |
| 49463 | Sylvan Beach | PO Box | — | — | 0.0 | — |