ZIP Code 48879 is located in Saint Johns Michigan. Portions of 48879 are also in St. Johns and Eureka and Maple Rapids and Bingham Township (Clinton County) and Bengal Township and Greenbush Township (Clinton County) and Essex Township and Ovid Township (Clinton County) and Olive Township (Clinton County) and Riley Township (Clinton County) and Victor Township and Washington Township (Gratiot County) and Dallas Township and Westphalia Township and Fulton Township and Duplain Township. 48879 is primarily within Clinton County, with some portions in Gratiot County. Regionally, 48879 is located in the Lansing Area.
| ZIP Code Name | Saint Johns |
| Primary County | Clinton County |
| ZIP Code Type | Standard |
| Population (2022) | 18,607 |
| Area Code(s) | 517 / 989 |
| Current Time | EDT |
48879 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Michigan based on Median Household Income and Average Adjusted Gross Income. The majority race/ethnicity residing in 48879 is White. The majority race/ethnicity attending public schools in 48879 is White. The current unemployment level in 48879 is 5.1%.
| Population | 18,607 |
| Population Growth Rate | 0.00% |
| Population Density | 96 People per Square Mile |
| Total Households | 6,817 |
| Percentage High Income Households | 2.1% |
| Median Household Income (2021) | $74,928 |
| Average Adjusted Gross Income (2021) | $573,330 |
| Current Unemployment Rate (May 2026) | 5.1% |
| Sales Tax Rate (2025) | 6.0% |
| Majority Race/Ethnicty | White - 95.05% |
| Public School Majority Race/Ethnicty | White - 86.64% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 17,656 | 95.04% |
| Black | 170 | 0.92% |
| Hispanic | 606 | 3.26% |
| Asian | 42 | 0.23% |
| Native American | 101 | 0.54% |
| Hawaiian/Pac. Islander | 2 | 0.01% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 2,329 | 89.96% |
| Black | 26 | 1% |
| Hispanic | 208 | 8.03% |
| Asian | 10 | 0.39% |
| Native American | 16 | 0.62% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Highest Education Level Attained | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 1,163 | 10.65% |
| Bachelor Degree | 1,429 | 13.08% |
| High School Diploma | 3,684 | 33.72% |
| No High School Diploma | 127 | 1.16% |
| GED or Alternate | 239 | 2.19% |
| 1 or More Years of College | 2,155 | 19.73% |
| Associates Degree | 1,120 | 10.25% |
| Masters Degree | 737 | 6.75% |
| Professional Degree | 175 | 1.6% |
| Doctorate Degree | 96 | 0.88% |
| Coordinates | 43.00556183,-84.58444214 |
| Adjacent ZIP Codes | |
| Cities/Towns in 48879 | St. Johns, Eureka, Maple Rapids, Bingham Township (Clinton County), Bengal Township, Greenbush Township (Clinton County), Essex Township, Ovid Township (Clinton County), Olive Township (Clinton County), Riley Township (Clinton County), Victor Township, Washington Township (Gratiot County), Dallas Township, Westphalia Township, Fulton Township, Duplain Township |
| Regions | Lansing AreaFlint-Saginaw-Bay City Area |
| Metropolitan/Micropolitan Stat Areas | Lansing-East Lansing, MIAlma, MI |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/Detroit |
| Area | 193 Square Miles |
| School Districts in 48879 | |
| Elementary Schools in 48879 | |
| Middle Schools in 48879 | |
| High Schools in 48879 |
| Plant Hardiness Zone | Zone 6a: -10F to -5F | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average First Frost Date | October 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Average Last Frost Date | May 1 - 10 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Koppen-Geiger Climate Zone | Dfb - Humid Continental Mild Summer, Wet All Year | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Ecoregion | 56g - Lansing Loamy Plain | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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