Postal Codes

48059 ZIP Code

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ZIP code 48059 covers Fort Gratiot, Michigan, with a population of about 15,371 and a median household income of $78,841.

Population
15,371485 per square mile
Median age
48.59.8 points above the US average
Median household income
$78,8411.1× the Michigan median
Poverty rate
6.5%5.9 points below the US average
Typical home value
$273,325up 25.9% in five years
Median rent
$95612% below the Michigan median
Degree or higher
30.1%4.9 points below the US average
Homeownership
82.2%17.2 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
360

Where 48059 is

Fort Gratiot, Michigan — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population15,371
Median age48.5
Family households68.3%
Born outside the US2.2%
Speaks a language other than English at home2.2%
White (non-Hispanic)90.3%
Black (non-Hispanic)1.2%
Asian (non-Hispanic)0.8%
Hispanic or Latino5.1%
Veterans8.6%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$78,841
Income per person$39,280
Poverty rate6.5%
Households on SNAP or cash assistance9.2%

Household income distribution

Under $10k3.8%
$10–15k2.2%
$15–20k3.3%
$20–25k2.8%
$25–30k3.4%
$30–35k3.6%
$35–40k3.6%
$40–45k2.3%
$45–50k3.8%
$50–60k10.4%
$60–75k8.1%
$75–100k17.4%
$100–125k13.5%
$125–150k6.4%
$150–200k7.7%
$200k or more7.5%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed7,740
Mean adjusted gross income$74,162
Returns declaring $200,000 or more4.9%
Returns, under $25k31.1%
Returns, $25k–$50k22.0%
Returns, $50k–$75k14.7%
Returns, $75k–$100k10.3%
Returns, $100k–$200k16.9%
Returns, $200k or more4.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$199,200
Median gross rent$956
Rent as a share of household income29.6%
Owner-occupied82.2%
Vacant homes10.8%
Median year built1977

What the homes are

Detached house73.8%
Attached house0.8%
2 to 4 units2%
5 to 19 units5.3%
20 or more units5.9%
Mobile home12.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$273,325as of 2026-07
Typical home value, 1 yearup 5.4%
Typical home value, 5 yearsup 25.9%
Typical home value, 10 yearsup 90.2%
Typical home value since 2000
200020132026$273,325$118,273

$177,193 in 2000 to $273,325 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.6%
Bachelor's degree or higher30.1%
High school diploma or higher93.8%
Works from home7.5%
Drives to work alone79.4%
Takes public transport0.7%
Commutes 45 minutes or more16.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity34% 0.6 pts above the national average of 33.4%
Diagnosed diabetes11.6% same as the national average of 12%
Currently smokes13.7% 0.5 pts above the national average of 13.2%
High blood pressure38.7% 4.6 pts above the national average of 34.1%
Fair or poor general health18% 2.3 pts below the national average of 20.3%
No health insurance (18–64)5.5% 5.8 pts below the national average of 11.3%
Depression26.2% 4.3 pts above the national average of 21.9%
No leisure-time physical activity23.7% 1.7 pts below the national average of 25.4%
Arthritis32.8% 7.7 pts above the national average of 25.1%
Binge drinking15.1% 0.9 pts below the national average of 16%
Taking blood pressure medication80.1% 5.4 pts above the national average of 74.7%
Cancer (non-skin)11.2% 3.5 pts above the national average of 7.7%
Current asthma11.3% 0.9 pts above the national average of 10.4%
Coronary heart disease7.7% 1.5 pts above the national average of 6.2%
Routine check-up in past year82.2% 5.5 pts above the national average of 76.7%
Cholesterol screening89.5% 3.6 pts above the national average of 85.9%
Cognitive disability13.3% 1.5 pts below the national average of 14.8%
Colorectal screening72.1% 7.8 pts above the national average of 64.3%
COPD8.4% 1.8 pts above the national average of 6.6%
Visited a dentist70.6% 9.3 pts above the national average of 61.3%
Any disability32.2% 1.5 pts above the national average of 30.7%
Lacks emotional support21.6% 3.2 pts below the national average of 24.8%
Food insecurity11% 6.1 pts below the national average of 17.1%
Received food stamps9.8% 4.5 pts below the national average of 14.3%
Hearing disability8.4% 1.7 pts above the national average of 6.7%
High cholesterol36.9% 0.7 pts above the national average of 36.2%
Housing insecurity8.5% 5.3 pts below the national average of 13.8%
Independent living disability8% same as the national average of 8.4%
Lacks transport6.2% 3 pts below the national average of 9.2%
Loneliness32.2% 2.2 pts below the national average of 34.4%
Mammography use74.6% 1.3 pts below the national average of 75.9%
Poor mental health (14+ days)16.6% same as the national average of 16.8%
Mobility disability14.6% 0.6 pts above the national average of 14%
Poor physical health (14+ days)14.2% 0.7 pts above the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Utility shut-off threat6.2% 2.6 pts below the national average of 8.8%
Sleeps under 7 hours33.8% 2.6 pts below the national average of 36.4%
Stroke3.7% same as the national average of 3.4%
All natural teeth lost9.8% 3.2 pts below the national average of 13%
Vision disability4.3% 1.3 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments360
People employed5,201
Annual payroll$180,265,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 29.2% of US census tracts
FEMA ratingVery Low to Relatively Low across the 6 census tracts this ZIP code covers
Expected annual loss32.9 out of 100
Community resilience82.5 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Cold wave81.9Relatively High at its worst in this ZIP code
Ice storm79.2Relatively Moderate at its worst in this ZIP code
Coastal flooding77.6Relatively Low at its worst in this ZIP code
Strong wind65Relatively Moderate at its worst in this ZIP code
Tornado60Relatively Moderate at its worst in this ZIP code
Landslide57.6Very Low at its worst in this ZIP code
Wildfire57.1Very Low at its worst in this ZIP code
River flooding43.6Relatively Moderate at its worst in this ZIP code
Winter weather43.4Relatively Low at its worst in this ZIP code
Hail40.2Relatively Low at its worst in this ZIP code
Hurricane31Very Low at its worst in this ZIP code
Lightning23.5Relatively Low at its worst in this ZIP code
Heat wave20.9Relatively Low at its worst in this ZIP code
Earthquake17.4Very Low at its worst in this ZIP code
Compared with Michigan and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMichiganUnited States
Median household income$78,841$71,149$78,538
Income per person$39,280$39,538$43,289
Poverty rate6.5%13.1%12.4%
Median home value$199,200$217,600$303,400
Median gross rent$956$1,084$1,348
Homeownership82.2%72.9%65%
Bachelor's degree or higher30.1%31.8%35%
Unemployment rate5.6%5.8%5.2%
Works from home7.5%12%13.5%
Born outside the US2.2%7%13.9%
Median age48.540.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationPORT HURON, MI US13.9 km away
Rain in a year35 in
Snow in a year36 in

Average high and low by month

January30.9°F / 19.9°F2.48 in rain, 11.1 in snow
February33.3°F / 20.5°F2.06 in rain, 11.4 in snow
March42.2°F / 28.3°F2.21 in rain, 4.6 in snow
April54.2°F / 38°F3.15 in rain, 0.4 in snow
May66.7°F / 48.8°F3.53 in rain
June76.4°F / 58.8°F3.62 in rain
July81.3°F / 65.2°F3.25 in rain
August79.7°F / 64°F3.14 in rain
September73.1°F / 56.8°F3.32 in rain
October60.5°F / 46°F3.13 in rain
November46.9°F / 35.2°F2.81 in rain, 1.3 in snow
December36°F / 26.4°F2.17 in rain, 6.7 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket34% of this ZIP code's area
No vehicle and far from a supermarket49% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Port Huron Area School District81.7% of this ZIP code's land area
Croswell-Lexington Community School District18.3% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability41more vulnerable than 41% of US census tracts
Socioeconomic status40more vulnerable than 40% of US census tracts
Household characteristics41more vulnerable than 41% of US census tracts
Racial and ethnic minority status17more vulnerable than 17% of US census tracts
Housing type and transport56more vulnerable than 56% of US census tracts
Walkability5.5 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

48049 North Street, MI9.1 km away
48032 Jeddo, MI9.6 km away
48060 Port Huron, MI10.6 km away
48061 Port Huron, MI14.2 km away
48006 Avoca, MI16.7 km away
48450 Lexington, MI17.5 km away
48040 Marysville, MI19.5 km away
48074 Smiths Creek, MI21.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

St. Clair County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area31.69 sq mi
Water area7.22 sq mi
Population density485 people per sq mi
Latitude, longitude43.0888, -82.4905

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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