ZIP Code 48191 - Willis Michigan

ZIP Code 48191 is located in Willis Michigan. Portions of 48191 are also in Augusta Charter Township and London Township. 48191 is primarily within Washtenaw County, with some portions in Monroe County. Regionally, it is located in Metro Detroit.

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ZIP Code 48191 Quick Stats

ZIP Code NameWillis
Primary CountyWashtenaw County
ZIP Code TypeStandard
Population (2022)4,059
Area Code(s)734
Current Time

ZIP Code 48191 Map

48191 Demographics

48191 can be classified socioeconomically as 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 48191 is White. The current unemployment level in 48191 is 3.9%.

Population Growth Rate1.72%
Population Density263 People per Square Mile
Total Households1,284
Median Household Income (2021)$90,547
Average Adjusted Gross Income (2020)$62,110
Current Unemployment Rate (April 2024)3.9%
Majority Race/EthnictyWhite - 91.36%

48191 Race/Ethnicty Breakdown

Native American130.37%
Hawaiian/Pac. Islander00%

48191 Educational Attainment Levels

Highest Education Level AttainedTotalPercentage
Less Than 1 Year of College1516.35%
Bachelor Degree31613.28%
High School Diploma80333.75%
No High School Diploma271.13%
GED or Alternate1526.39%
1 or More Years of College48320.3%
Associates Degree27111.39%
Masters Degree1666.98%
Professional Degree100.42%
Doctorate Degree00%

48191 Geography

Adjacent ZIP Codes
Cities/Towns in 48191
RegionMetro Detroit
Metropolitan/Micropolitan Stat AreasAnn Arbor, MI
Monroe, MI
Time ZoneEastern Daylight Time
IANA TimezoneAmerica/Detroit
Area15 Square Miles

48191 Politics

US Congressional Districts in 48191
Michigan State Senate Districts in 48191
Michigan State House of Representatives Districts in 48191

48191 Schools

48191 Weather and Climate Data

Plant Hardiness ZoneZone 5b: -15F to -10F
Average First Frost DateOctober 1 - 10
Average Last Frost DateMay 1 - 10
Koppen-Geiger Climate ZoneDfa - Humid Continental Hot Summers
Ecoregion57a - Maumee Lake Plains

48191 Annual Climate Data

Avg Min Temp (°F)15172736475760595140312139
Avg Max Temp (°F)31344558707983817462483659
Avg Precip (In.)1.811.712.493.153.193.443.053.413.412.382.822.5133.35

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