| ZIP Codes: | 48 ZIP Codes (28 Standard, 12 PO Box, 8 Unique) [See All] |
| Area Codes: | 269 / 616 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:53:51 PM |
| Population: | 682,712 [See All] |
| FIPS: | 26081 |
| CBSA: | Grand Rapids-Wyoming-Kentwood, MI |
| Land Area: | 942 sq mi |
| Water Area: | 23 sq mi |
| Coordinates: | 42.9838, -85.6150 |
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682,712 residents live across 48 ZIPs covering 942 sq mi, served by 17 distinct USPS-recognized cities.
Population moved from 629,661 to 682,712 from 2014 to 2024 — a +8.4% change. 25 ZIPs gained residents, 3 lost.
The county's wealthiest ZIP 49301 (Ada, $183,125 median) and poorest ZIP 49507 (Grand Rapids, $61,461) are 8.5 miles apart — a 3.0× income gap across local geography.
Median home values vary 3.4× across this county — from $159,100 in 49548 (Grand Rapids) to $548,800 in 49301 (Ada).
Density varies 70× across the county — from 98 people/sq mi in 49343 (Sand Lake) to 6,924 in 49507 (Grand Rapids).
Educational attainment ranges from 14.0% bachelor's+ in 49343 (Sand Lake) to 70.8% in 49301 (Ada) — the breadth of educational profiles across the area.
Within Michigan, this is the #4 most populous of 83 counties and ranks #5 for median household income with the #4 fastest decade growth .
Hosts 4 single-entity Unique ZIPs: 49351Wolverine World Wide ; 49560Christian Reformed Church ; 49355Amway Corp ; and 49357Amway Corp .
Weighted by population, the typical household earns about $87,208 across the county — reflecting what a typical resident sees, not a simple ZIP average.
40.5% of adults age 25+ hold a bachelor's degree or higher (186,108 of 459,051 reporting). The most-educated ZIPs cluster around Grand Rapids.
28 Standard delivery, 12 PO Box only, 8 single-entity Unique ZIPs serve this county.
3 ZIPs in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
8 ZIP codes in this county serve a single facility — typically theme parks, universities, large corporations, airports, or government complexes.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 49508 | Grand Rapids | Standard | 42,720 | $70,120 | 11.8 | 3.2% |
| 49504 | Grand Rapids | Standard | 40,036 | $70,119 | 11.3 | 2.2% |
| 49503 | Grand Rapids | Standard | 39,489 | $64,661 | 7.6 | 12.4% |
| 49341 | Rockford | Standard | 39,409 | $113,989 | 87.3 | 14.2% |
| 49507 | Grand Rapids | Standard | 38,487 | $61,461 | 5.6 | 1.5% |
| 49548 | Grand Rapids | Standard | 34,777 | $61,636 | 10.7 | 15.7% |
| 49546 | Grand Rapids | Standard | 34,721 | $99,343 | 18.2 | 8.2% |
| 49506 | Grand Rapids | Standard | 34,673 | $118,131 | 7.9 | 4.3% |
| 49505 | Grand Rapids | Standard | 32,426 | $74,906 | 9.3 | 3.3% |
| 49418 | Grandville | Standard | 31,913 | $84,846 | 20.2 | 16.1% |
| 49525 | Grand Rapids | Standard | 30,887 | $94,037 | 24.4 | 10.3% |
| 49509 | Wyoming | Standard | 28,152 | $65,132 | 7.3 | 7.5% |
| 49519 | Wyoming | Standard | 27,965 | $73,762 | 7.9 | -1.6% |
| 49315 | Byron Center | Standard | 27,091 | $113,346 | 56.6 | 30.7% |
| 49316 | Caledonia | Standard | 26,427 | $103,238 | 58.4 | 26.4% |
| 49534 | Grand Rapids | Standard | 23,719 | $81,657 | 36.7 | 9.3% |
| 49301 | Ada | Standard | 19,846 | $183,125 | 59.6 | 1.5% |
| 49319 | Cedar Springs | Standard | 18,802 | $78,951 | 87.9 | 14.6% |
| 49512 | Grand Rapids | Standard | 18,373 | $71,329 | 23.3 | 12.5% |
| 49331 | Lowell | Standard | 17,661 | $91,800 | 91.9 | 3.9% |
| 49321 | Comstock Park | Standard | 15,970 | $77,870 | 26.8 | -3.1% |
| 49345 | Sparta | Standard | 13,512 | $85,463 | 53.0 | 3.0% |
| 49306 | Belmont | Standard | 11,028 | $115,039 | 18.8 | 9.8% |
| 49302 | Alto | Standard | 9,754 | $134,722 | 50.0 | 14.7% |
| 49544 | Grand Rapids | Standard | 9,631 | $74,390 | 19.9 | 9.1% |
| 49343 | Sand Lake | Standard | 5,664 | $80,408 | 57.5 | 0.2% |
| 49330 | Kent City | Standard | 5,599 | $75,794 | 45.1 | 3.7% |
| 49326 | Gowen | Standard | 3,980 | $84,000 | 27.5 | -0.9% |
| 49317 | Cannonsburg | PO Box | — | — | 0.0 | — |
| 49351 | Rockford | Unique | — | — | 0.1 | — |
| 49588 | Grand Rapids | PO Box | — | — | 0.0 | — |
| 49468 | Grandville | PO Box | — | — | 0.0 | — |
| 49560 | Grand Rapids | Unique | — | — | 0.0 | — |
| 49528 | Grand Rapids | PO Box | — | — | 0.0 | — |
| 49510 | Grand Rapids | PO Box | — | — | 0.0 | — |
| 49523 | Grand Rapids | PO Box | — | — | 0.0 | — |
| 49501 | Grand Rapids | PO Box | — | — | 0.0 | — |
| 49355 | Ada | Unique | — | — | 0.0 | — |
| 49516 | Grand Rapids | PO Box | — | — | 0.0 | — |
| 49357 | Ada | Unique | — | — | 0.0 | — |
| 49356 | Ada | Unique | — | — | 0.0 | — |
| 49502 | Grand Rapids | Unique | — | — | 0.0 | — |
| 49530 | Grand Rapids | Unique | — | — | 0.0 | — |
| 49555 | Grand Rapids | Unique | — | — | 0.0 | — |
| 49599 | Grand Rapids | PO Box | — | — | 0.0 | — |
| 49515 | Grand Rapids | PO Box | — | — | 0.0 | — |
| 49518 | Grand Rapids | PO Box | — | — | 0.0 | — |
| 49514 | Grand Rapids | PO Box | — | — | 0.0 | — |