Willis, MI 48191 ZIP Code Profile

Related Place Profiles:
Willis, MI

ZIP Code 48191: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Willis, MI 48191

  • ZIP Code Type: STANDARD
  • County: Washtenaw County
  • Centroid: Latitude 42.131, Longitude -83.571
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 54
  • PO Box Addresses: 138
  • Residential Addresses: 1,299
    • Multi-Family Addresses: 0
    • Single Family Addresses: 1,299

The ZIP Code maps and database are updated 4 times per year.
Database updated: August 1, 2019, Maps updated: August 2, 2019.

Jump to... (On This Page!)
  1. 48191 2019 Demographic Data
  2. Growth Rates for 48191 (Historical & 5-Year Forecast)
  3. Peer Comparisons (Rank and Percentile)
  1. Neighborhoods Demographics (Home Values, Household Income, etc.)
  2. Michigan Research Tools (Easy Tools & Current Data)
  3. Michigan Data Comparison Tool - 2019 Demographics

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Boundary Maps, Demographic Data, School Zones Review maps and data for the neighborhood, city, county, ZIP Code, and school zone. July 1, 2019, data includes home values, household income, percentage of homes owned, rented or vacant, etc.


Willis, MI 48191 Data & Demographics (As of July 1, 2019)


Total Population 4,050
Population in Households 4,045
Population in Familes 3,467
Population in Group Qrtrs 5
Population Density2 233
Diversity Index3 31


Median Household Income $77,503
Average Household Income $91,799
Per Capita Income $33,683


Total Housing Units 1,564 (100%)
Owner Occupied HU 1,340 (85.7%)
Renter Occupied HU 146 ( 9.3%)
Vacant Housing Units 78 ( 5.0%)
Median Home Value $231,012
Average Home Value $254,813


Total Households 1,486
Average Household Size 2.72
Family Households 1,120
Average Family Size 3
  1. Demographics are point estimates for July 1st of the current year and each for the forecast years. See References for more information.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2019 2019-2024
Population 0.67% 0.6%
Households 0.63% 0.61%
Families 0.51% 0.51%
Median Household Income   3.88%
Per Capita Income   3.71%

Willis, MI 48191 - Peer Comparisons by Rank and Percentile

The table below compares 48191 to the other 986 ZIP Codes in Michigan by rank and percentile using July 1, 2019 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.

Variable Description Rank Percentile
Total Population # 525 47th
Population Density # 362 63rd
Diversity Index # 229 77th
Median Household Income # 105 89th
Per Capita Income # 207 79th

Additional comparisons and rankings can be made with a VERY EASY TO USE Michigan Census Data Comparison Tool.

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