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St. Johns, MI Demographics & ZIP Codes
St. Johns, Michigan demographics and median household income by ZIP code (in Clinton County) — 1 ZIP codes — population 18,472 — median income $78,845 — avg. home value $215,100. Compare income, housing, and population across ZIP codes on US5.
Population
18,472
Median household income (avg.)
$78,845
105% of U.S. median
Average home value
$215,100
62% of U.S. median
Average rent
$737
63% of U.S. median
Median age (avg.)
43.4
St. Johns demographics
St. Johns, Michigan covers 1 ZIP code primarily in Clinton County, with a combined ZIP-area population of about 18,472.
Across ZIP codes with age data, the average median age is about 43.4 years.
Median household income in St. Johns
The average median household income across ZIP codes in St. Johns, Michigan is about $78,845 — about 11% above the MI ZIP average ($71,237), and about 5% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $78,845 in 48879.
Housing in St. Johns
For housing in St. Johns, Michigan, the average median home value is about $215,100 and the average median rent is about $737.
The most populous ZIP in this set is 48879 (about 18,472 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in St. Johns
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 48879 | St. Johns | Clinton County | MI | 18,472 | $78,845 | $215,100 |
Frequently asked questions
What are the demographics of St. Johns?
St. Johns, Michigan has a combined ZIP-area population of about 18,472 across 1 ZIP codes (primarily Clinton County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in St. Johns?
The average median household income across ZIP codes in St. Johns, Michigan is about $78,845, about 11% above the state ZIP average ($71,237), and about 5% above the U.S. median ($75,149). Average median home value is about $215,100.
How many ZIP codes are in St. Johns?
St. Johns, Michigan includes 1 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. Johns?
This page lists ZIP codes in St. Johns, Michigan with population, median household income, and home value. Select a ZIP for a full demographics profile.