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Michigan ZIP Codes
Saginaw County
Merrill, MI
48637
48637 ZIP Code — Merrill, MI
Saginaw County, Michigan
ZIP code 48637 is located in
Merrill ,
Michigan ,
within Saginaw County .
It covers approximately 70.86 square miles and serves a population of
3,104 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 989 .
About ZIP code 48637
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $133,300. Owner-occupancy is high at 90%, well above the national average.
Median household income is $61,100. 47% 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 32 minutes is near the national average.
College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.
Health indicators show elevated rates of smoking (21%) compared to national benchmarks.
Overall, ZIP code 48637 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.
48637 ZIP code map
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Cities in ZIP code 48637
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
3,104
Population density
44 / sq mi
State FIPS
26
County FIPS
145
Geography
Land area
70.86 sq mi
Water area
0.05 sq mi
Latitude
43.4138
Longitude
-84.3391
Timezone
Eastern (ET)
Area code
989
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
43.0%
50.4%
42.6%
$50k – $100k
37.3%
29.8%
31.1%
$100k – $200k
15.5%
16.1%
20.6%
Over $200k
4.2%
3.6%
5.7%
Demographics & statistics
$61,100
Median household income
$133,300
Median home value
16.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 698 22.5%
18 and over 2,406 77.5%
65 and over 770 24.8%
Median age 46.1 years
Race & ethnicity
American Indian / Alaska Native
0.4%
Black or African American
0.1%
Group Count %
White 2,748 81.2%
Two or more races 284 8.4%
Hispanic or Latino 280 8.3%
Other race 54 1.6%
American Indian / Alaska Native 14 0.4%
Black or African American 4 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
43.0%
50.4%
42.6%
$50k – $100k
37.3%
29.8%
31.1%
$100k – $200k
15.5%
16.1%
20.6%
Over $200k
4.2%
3.6%
5.7%
Range % of households
Under $10k 9.0%
$10k–$15k 5.3%
$15k–$25k 7.5%
$25k–$35k 8.0%
$35k–$50k 9.4%
$50k–$75k 21.9%
$75k–$100k 13.7%
$100k–$150k 17.2%
$150k–$200k 4.0%
$200k+ 4.1%
Median income $61,100
Housing
Housing overview
Metric Value
Median home value $133,300
Median rent / month $697
Owner occupied 90.4%
Renter occupied 9.6%
Vacant 5.4%
Single-family detached 93.7%
Large apartment buildings 0.0%
Mobile homes 4.0%
Median rooms 6.5
Avg household size (owned) 2.36
Year built
Era %
2020 or later 0.6%
2010–2019 2.3%
2000–2009 6.6%
1990–1999 6.7%
1980–1989 5.4%
1970–1979 28.6%
1960–1969 11.5%
1950–1959 12.6%
1940–1949 7.7%
1939 or earlier 17.9%
Bedrooms
Size % of units
No bedroom (studio) 1.0%
1 bedroom 3.2%
2 bedrooms 14.6%
3 bedrooms 62.3%
4 bedrooms 15.1%
5+ bedrooms 3.8%
Vehicles per household
Vehicles % of households
No vehicle 4.4%
1 vehicle 27.4%
2 vehicles 38.7%
3 or more 29.6%
Heating fuel
Fuel type %
Utility gas 31.9%
Electricity 3.8%
Propane / LP gas 46.6%
Fuel oil 6.5%
Wood 8.9%
No fuel used 0.3%
Households & families
Household type Count %
Married-couple family 662 52.8%
Cohabiting couple 75 6.0%
Male householder, no spouse 216 17.2%
Female householder, no spouse 301 24.0%
Households with children under 18 320 25.5%
Households with seniors (65+) 514 41.0%
Average household size 2.47
Marital status
Status Male Female
Never married 26.7% 19.4%
Married 57.9% 57.7%
Separated 0.5% 0.5%
Widowed 3.8% 11.9%
Divorced 11.1% 10.4%
Education
Some college, no degree
21.2%
Graduate / professional
4.3%
Metric %
HS diploma or higher 94.5%
Bachelor's or higher 16.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 25 3.6%
Kindergarten 51 7.4%
Elementary school 349 50.4%
High school 166 24.0%
College / grad school 102 14.7%
Employment
Industry of employment
Education & healthcare
25.8%
Arts, food & hospitality
6.6%
Transportation & utilities
5.8%
Public administration
4.3%
Finance & real estate
3.6%
Agriculture & mining
3.5%
Professional & management
3.4%
Occupation
Category %
Management, business & arts 27.2%
Service 18.5%
Sales & office 22.7%
Natural resources & construction 11.7%
Production & transportation 19.9%
Employment type
Type %
Private sector 82.3%
Government 12.7%
Self-employed 4.7%
Unpaid family workers 0.4%
Commute
Method %
Drive alone 85.9%
Carpool 6.9%
Public transit 0.0%
Walk 0.8%
Work from home 4.4%
Other means 2.0%
Avg commute (minutes) 32.1
Poverty
Married-couple families
5.3%
Female-led households
23.0%
Income support
Source % of households
Social Security 46.9%
Retirement income 38.1%
Supplemental Security 9.1%
Cash public assistance 4.1%
Food stamps / SNAP 10.8%
Health indicators
Condition %
Obesity 39.4%
High blood pressure 34.5%
High cholesterol 36.4%
Diabetes 11.2%
Heart disease 7.3%
Stroke 3.3%
Asthma 10.7%
Arthritis 32.4%
Kidney disease 3.0%
Pulmonary disease 8.2%
Cancer 7.4%
Behavior / access %
Smoking 20.6%
Binge drinking 20.5%
No physical activity 21.8%
Less than 7 hrs sleep 33.6%
Depression 22.4%
Fair or poor health 14.7%
Poor mental health 16.2%
Poor physical health 11.2%
No health insurance 9.5%
Visited doctor (checkup) 74.1%
Visited dentist 68.3%
Cholesterol screening 91.3%
Teeth loss 12.5%
Veterans & disability
Veterans Count %
Civilian veterans 183 7.6%
Disability %
Any disability 17.1%
Under 18 4.3%
18–64 years 15.9%
65 and over 31.3%
Health insurance coverage
Type %
Private insurance 70.2%
Public insurance 50.8%
No insurance 2.7%
Uninsured under 19 2.7%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 2,979 96.0%
Spanish 2 0.1%
Other Indo-European 2 0.1%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 3,033 97.7%
Born in same state 3,026 97.5%
Born in different state 2,875 92.6%
Foreign born 7 0.2%
Naturalized citizen 71 2.3%
Not a US citizen 27 38.0%
Ancestry
Ancestry Count %
Italian 301 9.7%
French 257 8.3%
Arab 145 4.7%
German 59 1.9%
Polish 29 0.9%
Ancestry Count %
English 21 0.7%
Irish 19 0.6%
Dutch 6 0.2%
Norwegian 3 0.1%
Technology access
Metric % of households
Computer access 40.4%
Internet access 86.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 48637
What city is ZIP code 48637 in?
ZIP code 48637 is primarily assigned to Merrill, Michigan.
What county is ZIP code 48637 in?
ZIP code 48637 falls within Saginaw County, Michigan.
Is ZIP code 48637 mostly owner-occupied?
90% of occupied units in ZIP code 48637 are owner-occupied, well above the national average.
Does ZIP code 48637 have a large retiree population?
47% of households in ZIP code 48637 receive Social Security income, suggesting a significant retiree or disability population.
What is the poverty rate in ZIP code 48637?
16% of residents in ZIP code 48637 live below the poverty line, above the national average.
What is the typical home value in ZIP code 48637?
The median home value in ZIP code 48637 is $133,300.
What timezone is ZIP code 48637 in?
ZIP code 48637 observes the EST timezone.
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