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Michigan ZIP Codes
Eaton County
Dimondale, MI
48821
48821 ZIP Code — Dimondale, MI
Eaton County, Michigan
ZIP code 48821 is located in
Dimondale ,
Michigan ,
within Eaton County .
It covers approximately 19.92 square miles and serves a population of
6,127 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 517 .
About ZIP code 48821
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Median home value is $222,200. Owner-occupancy is high at 96%, well above the national average.
Median household income is $97,939. The poverty rate of 4% is below the national average. 47% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 20 minutes is near the national average.
Educational attainment is near the national average, with 34% of residents holding a bachelor's degree or higher.
Overall, ZIP code 48821 reflects a community defined by high homeownership and a significant Social Security-dependent population.
48821 ZIP code map
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Cities in ZIP code 48821
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
6,127
Population density
308 / sq mi
State FIPS
26
County FIPS
045
Geography
Land area
19.92 sq mi
Water area
0.44 sq mi
Latitude
42.6399
Longitude
-84.6510
Timezone
Eastern (ET)
Area code
517
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
31.0%
35.0%
42.6%
$50k – $100k
34.6%
38.1%
31.1%
$100k – $200k
28.3%
22.8%
20.6%
Over $200k
6.2%
4.1%
5.7%
Demographics & statistics
$97,939
Median household income
$222,200
Median home value
$1,000
Median monthly rent
33.5%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,134 18.5%
18 and over 4,993 81.5%
65 and over 1,735 28.3%
Median age 46.9 years
Race & ethnicity
Black or African American
1.7%
American Indian / Alaska Native
0.1%
Group Count %
White 5,565 87.2%
Two or more races 259 4.1%
Hispanic or Latino 256 4%
Black or African American 106 1.7%
Asian 101 1.6%
Other race 90 1.4%
American Indian / Alaska Native 6 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
31.0%
35.0%
42.6%
$50k – $100k
34.6%
38.1%
31.1%
$100k – $200k
28.3%
22.8%
20.6%
Over $200k
6.2%
4.1%
5.7%
Range % of households
Under $10k 0.8%
$10k–$15k 0.4%
$15k–$25k 7.1%
$25k–$35k 5.4%
$35k–$50k 8.2%
$50k–$75k 16.1%
$75k–$100k 14.5%
$100k–$150k 25.1%
$150k–$200k 12.1%
$200k+ 10.4%
Median income $97,939
Housing
Housing overview
Metric Value
Median home value $222,200
Median rent / month $1,000
Owner occupied 95.5%
Renter occupied 4.5%
Vacant 5.9%
Single-family detached 85.7%
Large apartment buildings 1.4%
Mobile homes 10.4%
Median rooms 6.9
Avg household size (owned) 2.46
Year built
Era %
2020 or later 0.0%
2010–2019 5.0%
2000–2009 14.0%
1990–1999 11.8%
1980–1989 20.5%
1970–1979 17.6%
1960–1969 11.8%
1950–1959 5.4%
1940–1949 0.6%
1939 or earlier 13.3%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 2.2%
2 bedrooms 22.1%
3 bedrooms 46.8%
4 bedrooms 20.9%
5+ bedrooms 8.1%
Vehicles per household
Vehicles % of households
No vehicle 1.6%
1 vehicle 28.9%
2 vehicles 43.5%
3 or more 26.0%
Heating fuel
Fuel type %
Utility gas 69.5%
Electricity 9.1%
Propane / LP gas 16.2%
Fuel oil 2.7%
Wood 0.6%
No fuel used 0.2%
Households & families
Household type Count %
Married-couple family 1,519 61.7%
Cohabiting couple 93 3.8%
Male householder, no spouse 381 15.5%
Female householder, no spouse 469 19.0%
Households with children under 18 581 23.6%
Households with seniors (65+) 1,119 45.5%
Average household size 2.42
Marital status
Status Male Female
Never married 21.0% 14.3%
Married 63.3% 58.7%
Separated 0.3% 0.4%
Widowed 5.8% 11.5%
Divorced 9.6% 15.1%
Education
Some college, no degree
30.3%
Graduate / professional
7.4%
Metric %
HS diploma or higher 96.2%
Bachelor's or higher 33.5%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 31 2.5%
Kindergarten 106 8.5%
Elementary school 546 44.0%
High school 296 23.8%
College / grad school 263 21.2%
Employment
Industry of employment
Education & healthcare
18.6%
Finance & real estate
12.1%
Public administration
10.6%
Professional & management
8.5%
Transportation & utilities
3.9%
Arts, food & hospitality
3.4%
Occupation
Category %
Management, business & arts 38.8%
Service 10.1%
Sales & office 25.5%
Natural resources & construction 6.1%
Production & transportation 19.5%
Employment type
Type %
Private sector 78.9%
Government 16.2%
Self-employed 4.6%
Unpaid family workers 0.4%
Commute
Method %
Drive alone 80.0%
Carpool 7.3%
Public transit 0.0%
Walk 1.3%
Work from home 11.5%
Other means 0.0%
Avg commute (minutes) 19.7
Poverty
Married-couple families
2.0%
Female-led households
2.3%
Income support
Source % of households
Social Security 47.0%
Retirement income 37.7%
Supplemental Security 4.5%
Cash public assistance 3.3%
Food stamps / SNAP 4.9%
Health indicators
Condition %
Obesity 35.9%
High blood pressure 37.3%
High cholesterol 39.2%
Diabetes 11.1%
Heart disease 7.3%
Stroke 3.2%
Asthma 10.3%
Arthritis 32.6%
Kidney disease 3.1%
Pulmonary disease 7.5%
Cancer 8.5%
Behavior / access %
Smoking 16.2%
Binge drinking 17.1%
No physical activity 19.0%
Less than 7 hrs sleep 32.1%
Depression 19.9%
Fair or poor health 12.9%
Poor mental health 14.1%
Poor physical health 10.4%
No health insurance 7.5%
Visited doctor (checkup) 76.1%
Visited dentist 75.7%
Cholesterol screening 94.1%
Teeth loss 9.4%
Veterans & disability
Veterans Count %
Civilian veterans 519 10.4%
Disability %
Any disability 11.9%
Under 18 4.5%
18–64 years 7.2%
65 and over 26.6%
Health insurance coverage
Type %
Private insurance 84.7%
Public insurance 34.6%
No insurance 1.3%
Uninsured under 19 1.1%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 5,941 97.0%
Spanish 83 1.4%
Other Indo-European 83 1.4%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 5,863 95.7%
Born in same state 5,825 95.1%
Born in different state 4,972 81.1%
Foreign born 38 0.6%
Naturalized citizen 264 4.3%
Not a US citizen 221 83.7%
Ancestry
Ancestry Count %
Italian 943 15.4%
French 895 14.6%
Arab 247 4%
German 213 3.5%
English 130 2.1%
Ancestry Count %
Polish 106 1.7%
Dutch 69 1.1%
Irish 22 0.4%
Norwegian 3 0%
Technology access
Metric % of households
Computer access 40.2%
Internet access 93.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 48821
What city is ZIP code 48821 in?
ZIP code 48821 is primarily assigned to Dimondale, Michigan.
What county is ZIP code 48821 in?
ZIP code 48821 falls within Eaton County, Michigan.
Is ZIP code 48821 mostly owner-occupied?
96% of occupied units in ZIP code 48821 are owner-occupied, well above the national average.
Does ZIP code 48821 have an older population?
28% of residents in ZIP code 48821 are 65 or older, above the national average of ~17%.
Does ZIP code 48821 have a large retiree population?
47% of households in ZIP code 48821 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 48821 have a large veteran population?
10% of civilians in ZIP code 48821 are veterans, above the national average of ~7%.
What timezone is ZIP code 48821 in?
ZIP code 48821 observes the EST timezone.
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