ZIP Code 48858 has segments in 2 Counties (Isabella, Midland).
Businesses Addresses: 1,375
PO Box Addresses: 0
Residential Addresses: 18,999
Multi-Family Addresses: 2,530
Single Family Addresses: 16,469
The ZIP Code maps and database are updated 4 times per year. Database updated: March 1, 2026, Maps updated: May 1, 2024.
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Mount Pleasant, MI 48858 Data & Demographics
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION
Total Population
42,226 (100%)
Population Density
242 per sq mi
Diversity Index1
33
INCOME
Median Household Income
$51,267
Per Capita Income
$31,131
Median Home Value
$170,800
HOUSING
Total HU (Housing Units)
19,323 (100%)
Owner Occupied HU
8,692 (45.0%)
Renter Occupied HU
8,766 (45.4%)
Vacant Housing Units
1,865 (9.7%)
HOUSEHOLDS
Total Households
17,458
Average Household Size
2.25
Family Households
8,038 (46.0%)
NOTES
The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).
Mount Pleasant, MI 48858 - Peer Comparisons by Rank and Percentile
The table below compares 48858 to the other 33,772 ZIP Codes in the United States by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
