St. Clair County, MI Demographics & ZIP Codes
St. Clair County, Michigan demographics and median household income by ZIP code — 21 ZIP codes — population 161,565 — avg. income $78,715 — avg. home value $238,633. Compare income, housing, and ZIP-level data on US5.
St. Clair County demographics
St. Clair County, Michigan covers 21 ZIP codes, with a combined ZIP-area population of about 161,565.
Median household income in St. Clair County
The average median household income across ZIP codes in St. Clair County, Michigan is about $78,715 — about 10% above the MI ZIP average ($71,237), and about 5% above the U.S. median ($75,149).
Among ZIPs with income data, 48028 is near the top at about $106,765, while 48060 (Port Huron) is near the bottom at about $51,342.
Housing in St. Clair County
For housing in St. Clair County, Michigan, the average median home value is about $238,633 and the average median rent is about $774.
The most populous ZIP is 48060 (Port Huron) with about 39,502 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in St. Clair County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 48060 | Port Huron | St. Clair County | MI | 39,502 | $51,342 | $152,000 |
| 48059 | Lakeport | St. Clair County | MI | 15,371 | $78,841 | $199,200 |
| 48079 | St. Clair | St. Clair County | MI | 12,683 | $80,313 | $276,600 |
| 48001 | Pearl Beach | St. Clair County | MI | 11,502 | $64,538 | $250,000 |
| 48040 | Marysville | St. Clair County | MI | 9,942 | $69,661 | $185,500 |
| 48074 | Marysville | St. Clair County | MI | 9,617 | $69,600 | $191,800 |
| 48039 | Marine City | St. Clair County | MI | 7,466 | $76,304 | $170,800 |
| 48054 | — | St. Clair County | MI | 7,200 | $76,992 | $277,300 |
| 48049 | Ruby | St. Clair County | MI | 5,485 | $86,250 | $226,000 |
| 48097 | Yale | St. Clair County | MI | 5,400 | $58,177 | $174,800 |
| 48023 | — | St. Clair County | MI | 4,980 | $79,345 | $236,600 |
| 48041 | Memphis | St. Clair County | MI | 4,385 | $87,599 | $296,200 |
| 48014 | Capac | St. Clair County | MI | 4,319 | $70,341 | $208,400 |
| 48063 | Richmond | St. Clair County | MI | 4,106 | $91,591 | $297,500 |
| 48064 | Richmond | St. Clair County | MI | 3,996 | $79,375 | $280,400 |
| 48006 | — | St. Clair County | MI | 3,891 | $70,451 | $225,900 |
| 48027 | — | St. Clair County | MI | 3,182 | $84,939 | $242,800 |
| 48002 | — | St. Clair County | MI | 3,129 | $91,889 | $294,600 |
| 48022 | Emmett | St. Clair County | MI | 2,517 | $89,702 | $246,200 |
| 48032 | — | St. Clair County | MI | 1,834 | $89,000 | $239,600 |
| 48028 | — | St. Clair County | MI | 1,058 | $106,765 | $339,100 |
Frequently asked questions
What are the demographics of St. Clair County?
St. Clair County, Michigan has a combined ZIP-area population of about 161,565 across 21 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in St. Clair County?
The average median household income across ZIP codes in St. Clair County, Michigan is about $78,715, about 10% above the state ZIP average ($71,237), and about 5% above the U.S. median ($75,149). Average median home value is about $238,633. Among ZIPs with data, 48028 is near the top ($106,765) and 48060 (Port Huron) is near the bottom ($51,342).
How many ZIP codes are in St. Clair County?
St. Clair County, Michigan includes 21 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for St. Clair County?
This page lists ZIP codes in St. Clair County, Michigan with population, median household income, and home value. Select a ZIP for a full demographics profile.