ZIP Code 48858 - Mount Pleasant Michigan
Overview
ZIP Code 48858 is located in Mount Pleasant Michigan. Portions of 48858 are also in Beal City and Winn and Deerfield Township (Isabella County) and Union Charter Township and Denver Township (Isabella County) and Chippewa Township (Isabella County) and Isabella Township and Nottawa Township (Isabella County) and Fremont Township (Isabella County) and Lincoln Township (Isabella County) and Broomfield Township and Greendale Township. 48858 is primarily within Isabella County, with some portions in Midland County. Regionally, 48858 is located in the Flint-Saginaw-Bay City Area.
ZIP Code 48858 Quick Stats
| ZIP Code Name | Mount Pleasant |
| Primary County | Isabella County |
| ZIP Code Type | Standard |
| Population (2022) | 43,036 |
| Area Code(s) | 989 |
| Current Time | EDT |
ZIP Code 48858 Map
48858 Demographics
48858 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 48858 is White. The majority race/ethnicity attending public schools in 48858 is White. The current unemployment level in 48858 is 5.1%.
| Population | 43,036 |
| Population Growth Rate | 0% |
| Population Density | 240 People per Square Mile |
| Total Households | 17,131 |
| Percentage High Income Households | 2.4% |
| Median Household Income (2021) | $44,194 |
| Average Adjusted Gross Income (2021) | $428,600 |
| Current Unemployment Rate (May 2026) | 5.1% |
| Sales Tax Rate (2025) | 6% |
| Majority Race/Ethnicity | White - 85.29% |
| Public School Majority Race/Ethnicity | White - 74.76% |
48858 Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 36,197 | 85.26% |
| Black | 1,235 | 2.91% |
| Hispanic | 2,075 | 4.89% |
| Asian | 930 | 2.19% |
| Native American | 2,004 | 4.72% |
| Hawaiian/Pac. Islander | 14 | 0.03% |
48858 Public School Race/Ethnicity Breakdown
| Race/Ethnicity | Total | Percentage |
|---|---|---|
| White | 3,536 | 81.57% |
| Black | 116 | 2.68% |
| Hispanic | 265 | 6.11% |
| Asian | 76 | 1.75% |
| Native American | 337 | 7.77% |
| Hawaiian/Pac. Islander | 5 | 0.12% |
48858 Educational Attainment Levels
| Highest Education Level | Total | Percentage |
|---|---|---|
| Less Than 1 Year of College | 1,447 | 7.28% |
| Bachelor Degree | 3,504 | 17.62% |
| High School Diploma | 5,444 | 27.38% |
| No High School Diploma | 346 | 1.74% |
| GED or Alternate | 708 | 3.56% |
| 1 or More Years of College | 3,505 | 17.63% |
| Associates Degree | 1,638 | 8.24% |
| Masters Degree | 1,932 | 9.72% |
| Professional Degree | 382 | 1.92% |
| Doctorate Degree | 977 | 4.91% |
48858 Geography
| Coordinates | 43.61282349, -84.79613495 |
| Adjacent ZIP Codes | |
| Cities/Towns in 48858 | |
| Region | Flint-Saginaw-Bay City Area |
| Metropolitan/Micropolitan Stat Areas | Mount Pleasant, MI Midland, MI |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/Detroit |
| Area | 179 Square Miles |
48858 Schools
| School Districts in 48858 |
48858 Weather and Climate Data
| 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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