| ZIP Codes: | 24 ZIP Codes (18 Standard, 4 PO Box, 2 Unique) [See All] |
| Area Code: | 989 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:12:34 PM |
| Population: | 187,091 [See All] |
| FIPS: | 26145 |
| CBSA: | Saginaw, MI |
| Land Area: | 814 sq mi |
| Water Area: | 14 sq mi |
| Coordinates: | 43.3766, -84.0099 |
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187,091 residents live across 24 ZIPs covering 814 sq mi, served by 13 distinct USPS-recognized cities.
Population moved from 197,042 to 187,091 from 2014 to 2024 — a -5.1% change. 7 ZIPs gained residents, 12 lost.
The county's wealthiest ZIP 48623 (Freeland, $101,250 median) and poorest ZIP 48724 (Carrollton, $34,512) are 10.9 miles apart — a 2.9× income gap across local geography.
Median home values vary 4.9× across this county — from $62,800 in 48601 (Saginaw) to $305,100 in 48734 (Frankenmuth).
Density varies 124× across the county — from 26 people/sq mi in 48614 (Brant) to 3,282 in 48602 (Saginaw).
Educational attainment ranges from 8.9% bachelor's+ in 48417 (Burt) to 49.2% in 48734 (Frankenmuth) — the breadth of educational profiles across the area.
Within Michigan, this is the #10 most populous of 83 counties and ranks #44 for median household income .
Weighted by population, the typical household earns about $63,767 across the county — reflecting what a typical resident sees, not a simple ZIP average.
24.7% of adults age 25+ hold a bachelor's degree or higher (32,065 of 130,080 reporting).
18 Standard delivery, 4 PO Box only, 2 single-entity Unique ZIPs serve this county.
Saginaw County lost 5.1% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 48601 | Saginaw | Standard | 31,601 | $38,900 | 103.7 | -14.5% |
| 48603 | Saginaw | Standard | 27,757 | $66,352 | 18.4 | 3.9% |
| 48602 | Saginaw | Standard | 27,127 | $46,984 | 8.3 | -10.7% |
| 48623 | Freeland | Standard | 15,129 | $101,250 | 67.7 | 7.8% |
| 48638 | Saginaw | Standard | 12,875 | $69,459 | 6.7 | -0.1% |
| 48609 | Saginaw | Standard | 11,966 | $78,218 | 44.7 | -0.4% |
| 48604 | Saginaw | Standard | 11,011 | $53,042 | 30.1 | -16.0% |
| 48415 | Birch Run | Standard | 8,918 | $79,067 | 64.8 | -4.6% |
| 48734 | Frankenmuth | Standard | 7,746 | $91,032 | 41.3 | 1.9% |
| 48616 | Chesaning | Standard | 7,577 | $66,819 | 81.9 | 0.2% |
| 48626 | Hemlock | Standard | 5,766 | $84,360 | 66.1 | -3.6% |
| 48655 | Saint Charles | Standard | 5,760 | $66,115 | 101.7 | -8.9% |
| 48722 | Bridgeport | Standard | 3,127 | $66,473 | 17.6 | -6.7% |
| 48637 | Merrill | Standard | 3,024 | $65,865 | 72.8 | -10.6% |
| 48417 | Burt | Standard | 2,222 | $72,422 | 24.1 | -19.2% |
| 48649 | Oakley | Standard | 1,699 | $72,609 | 26.9 | 19.6% |
| 48607 | Saginaw | Standard | 1,614 | $37,973 | 0.9 | 1.9% |
| 48724 | Carrollton | PO Box | 1,229 | $34,512 | 0.7 | 362.0% |
| 48614 | Brant | Standard | 943 | $63,393 | 35.6 | -33.1% |
| 48787 | Frankenmuth | Unique | — | — | 0.0 | — |
| 48608 | Saginaw | PO Box | — | — | 0.0 | — |
| 48606 | Saginaw | PO Box | — | — | 0.0 | — |
| 48605 | Saginaw | PO Box | — | — | 0.0 | — |
| 48663 | Saginaw | Unique | — | — | 0.0 | — |