48131 ZIP Code — Dundee, MI
Monroe County, Michigan
ZIP code 48131 is located in Dundee, Michigan, within Monroe County. It covers approximately 50.08 square miles and serves a population of 7,978 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 734.
About ZIP code 48131
The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $236,600. Owner-occupancy sits near the national average at 71%.
Median household income is $77,297. The poverty rate of 5% is below the national average. 31% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.
Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.
7,978
population
50.08
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
48131 ZIP code map
Cities in ZIP code 48131
Below are the cities the US Postal Service accepts for ZIP code 48131. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Dundee | Acceptable |
| Dundee | Preferred |
Nearby ZIP codes
49270 Petersburg (6.1 mi)
48140 Ida (6.5 mi)
49238 Deerfield (7.7 mi)
48160 Milan (9.1 mi)
49229 Britton (9.7 mi)
48161 Monroe (10.4 mi)
48162 Monroe (11.5 mi)
48182 Temperance (11.9 mi)
49276 Riga (12.1 mi)
48191 Willis (12.8 mi)
49267 Ottawa Lake (13.2 mi)
49286 Tecumseh (13.4 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 7,978 |
| Population density | 159 / sq mi |
| State FIPS | 26 |
| County FIPS | 115 |
| Geography | |
|---|---|
| Land area | 50.08 sq mi |
| Water area | 0.45 sq mi |
| Latitude | 41.9527 |
| Longitude | -83.6682 |
| Timezone | Eastern (ET) |
| Area code | 734 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 29.8% | 36.2% | 42.6% |
| $50k – $100k | 42.5% | 34.2% | 31.1% |
| $100k – $200k | 24.8% | 24.9% | 20.6% |
| Over $200k | 2.9% | 4.7% | 5.7% |
Demographics & statistics
7,978
Population
159
People per sq mi
38.2
Median age
$77,297
Median household income
$44,161
Per capita income
$236,600
Median home value
$1,072
Median monthly rent
71.4%
Home ownership
5.2%
Poverty rate
8.0%
Unemployment
2,658
Housing units
26.1%
Bachelor's or higher
Age distribution
Male
Female
124
Under 5
119
241
5–9
233
238
10–14
229
246
15–19
237
306
20–24
295
536
25–34
516
685
35–44
661
581
45–54
561
157
55–59
151
331
60–64
320
320
65–74
308
261
75–84
251
36
85+
35
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,522 | 19.1% |
| 18 and over | 6,456 | 80.9% |
| 65 and over | 1,211 | 15.2% |
| Median age | 38.2 years | |
Race & ethnicity
White
89.7%
Two or more races
5.6%
Hispanic or Latino
3.7%
Asian
0.5%
Black or African American
0.3%
Other race
0.2%
| Group | Count | % |
|---|---|---|
| White | 7,431 | 89.7% |
| Two or more races | 464 | 5.6% |
| Hispanic or Latino | 304 | 3.7% |
| Asian | 45 | 0.5% |
| Black or African American | 22 | 0.3% |
| Other race | 16 | 0.2% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 29.8% | 36.2% | 42.6% |
| $50k – $100k | 42.5% | 34.2% | 31.1% |
| $100k – $200k | 24.8% | 24.9% | 20.6% |
| Over $200k | 2.9% | 4.7% | 5.7% |
Under $10k
0.9%
$10k–$15k
3.0%
$15k–$25k
2.4%
$25k–$35k
8.5%
$35k–$50k
10.2%
$50k–$75k
22.9%
$75k–$100k
15.1%
$100k–$150k
19.8%
$150k–$200k
11.7%
$200k+
5.4%
| Range | % of households |
|---|---|
| Under $10k | 0.9% |
| $10k–$15k | 3.0% |
| $15k–$25k | 2.4% |
| $25k–$35k | 8.5% |
| $35k–$50k | 10.2% |
| $50k–$75k | 22.9% |
| $75k–$100k | 15.1% |
| $100k–$150k | 19.8% |
| $150k–$200k | 11.7% |
| $200k+ | 5.4% |
| Median income | $77,297 |
Housing
Home values
Under $50k
7.8%
$50k–$100k
4.3%
$100k–$150k
9.6%
$150k–$200k
12.4%
$200k–$300k
40.8%
$300k–$500k
20.5%
$500k–$1M
3.2%
$1M+
1.5%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $236,600 |
| Median rent / month | $1,072 |
| Owner occupied | 71.4% |
| Renter occupied | 28.6% |
| Vacant | 4.6% |
| Single-family detached | 65.2% |
| Large apartment buildings | 10.9% |
| Mobile homes | 8.6% |
| Median rooms | 5.8 |
| Avg household size (owned) | 2.60 |
Year built
| Era | % |
|---|---|
| 2020 or later | 1.0% |
| 2010–2019 | 13.6% |
| 2000–2009 | 26.3% |
| 1990–1999 | 10.4% |
| 1980–1989 | 5.3% |
| 1970–1979 | 8.5% |
| 1960–1969 | 5.1% |
| 1950–1959 | 4.6% |
| 1940–1949 | 7.5% |
| 1939 or earlier | 17.5% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.0% |
| 1 bedroom | 9.9% |
| 2 bedrooms | 22.1% |
| 3 bedrooms | 43.8% |
| 4 bedrooms | 22.5% |
| 5+ bedrooms | 0.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 5.0% |
| 1 vehicle | 31.2% |
| 2 vehicles | 44.5% |
| 3 or more | 19.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 61.2% |
| Electricity | 21.7% |
| Propane / LP gas | 13.9% |
| Fuel oil | 0.6% |
| Wood | 1.4% |
| No fuel used | 0.4% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 1,660 | 47.6% |
| Cohabiting couple | 283 | 8.1% |
| Male householder, no spouse | 572 | 16.4% |
| Female householder, no spouse | 972 | 27.9% |
| Households with children under 18 | 788 | 22.6% |
| Households with seniors (65+) | 967 | 27.7% |
| Average household size | 2.28 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 42.6% | 15.4% |
| Married | 46.5% | 51.0% |
| Separated | 0.5% | 1.4% |
| Widowed | 0.3% | 7.6% |
| Divorced | 10.1% | 24.6% |
Education
Less than 9th grade
0.5%
Some HS, no diploma
4.0%
HS graduate
33.8%
Some college, no degree
20.0%
Associate's degree
15.6%
Bachelor's degree
18.8%
Graduate / professional
7.3%
| Metric | % |
|---|---|
| HS diploma or higher | 95.5% |
| Bachelor's or higher | 26.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 90 | 4.5% |
| Kindergarten | 31 | 1.6% |
| Elementary school | 868 | 43.5% |
| High school | 321 | 16.1% |
| College / grad school | 685 | 34.3% |
Employment
Industry of employment
Education & healthcare
32.2%
Manufacturing
18.8%
Professional & management
10.6%
Retail trade
8.9%
Transportation & utilities
8.0%
Construction
5.7%
Other services
4.4%
Arts, food & hospitality
3.8%
Public administration
3.7%
Agriculture & mining
1.0%
Wholesale trade
1.0%
Information
1.0%
Finance & real estate
1.0%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 37.0% |
| Service | 18.2% |
| Sales & office | 16.1% |
| Natural resources & construction | 11.3% |
| Production & transportation | 17.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.8% |
| Government | 16.5% |
| Self-employed | 3.6% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 91.2% |
| Carpool | 2.1% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Work from home | 6.7% |
| Other means | 0.0% |
| Avg commute (minutes) | 31.3 |
Poverty
All people
5.2%
Under 18 years
3.3%
18 and over
5.6%
Married-couple families
0.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 30.7% |
| Retirement income | 31.2% |
| Supplemental Security | 7.9% |
| Cash public assistance | 1.7% |
| Food stamps / SNAP | 3.7% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 37.4% |
| High blood pressure | 30.9% |
| High cholesterol | 31.6% |
| Diabetes | 8.7% |
| Heart disease | 5.3% |
| Stroke | 2.4% |
| Asthma | 10.6% |
| Arthritis | 26.1% |
| Kidney disease | 2.4% |
| Pulmonary disease | 6.1% |
| Cancer | 6.5% |
| Behavior / access | % |
|---|---|
| Smoking | 17.5% |
| Binge drinking | 20.3% |
| No physical activity | 17.1% |
| Less than 7 hrs sleep | 31.8% |
| Depression | 22.6% |
| Fair or poor health | 11.5% |
| Poor mental health | 15.8% |
| Poor physical health | 9.1% |
| No health insurance | 8.3% |
| Visited doctor (checkup) | 71.3% |
| Visited dentist | 72.8% |
| Cholesterol screening | 91.1% |
| Teeth loss | 9.9% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 546 | 8.5% |
| Disability | % |
|---|---|
| Any disability | 15.6% |
| Under 18 | 11.6% |
| 18–64 years | 12.2% |
| 65 and over | 35.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 83.7% |
| Public insurance | 30.5% |
| No insurance | 3.1% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 7,735 | 97.0% |
| Spanish | 4 | 0.1% |
| Other Indo-European | 4 | 0.1% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 7,829 | 98.1% |
| Born in same state | 7,774 | 97.4% |
| Born in different state | 5,691 | 71.3% |
| Foreign born | 55 | 0.7% |
| Naturalized citizen | 149 | 1.9% |
| Not a US citizen | 49 | 32.9% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 918 | 11.5% |
| Italian | 562 | 7% |
| Arab | 250 | 3.1% |
| English | 168 | 2.1% |
| German | 159 | 2% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 135 | 1.7% |
| Polish | 38 | 0.5% |
| Norwegian | 33 | 0.4% |
| Dutch | 12 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 43.7% |
| Internet access | 91.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 48131
What city is ZIP code 48131 in?
ZIP code 48131 is primarily assigned to Dundee, Michigan.
What county is ZIP code 48131 in?
ZIP code 48131 falls within Monroe County, Michigan.
What is the population of ZIP code 48131?
ZIP code 48131 has an estimated population of 7,978 residents, with a density of 159 people per square mile.
What is the typical home value in ZIP code 48131?
The median home value in ZIP code 48131 is $236,600.
What is the median household income in ZIP code 48131?
The median household income in ZIP code 48131 is $77,297, above the national median of ~$75,000.
What timezone is ZIP code 48131 in?
ZIP code 48131 observes the EST timezone.