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Flat Rock, MI
City in Wayne County, Michigan. ZIP codes: 48134.
Population
10,340
Land area
6.6sq mi
People per sq mi
1,574
ZIP codes
1
Flat Rock and its ZIP codes
Flat Rock at a glance
- Flat Rock is about 8.8 times as dense as Michigan as a whole.
- It is the 99th most populous of 745 cities and towns in Michigan.
- Households here earn a median of $81,585 a year, 12% more than the Michigan figure of $72,875.
- A typical owner-occupied home is valued at $228,800 and median rent is $919 a month.
Local data for Flat Rock, MI
Counts from official public data
Housing and community stats
Flat Rock, MI, American Community Survey 2020-2024
Median household income
$81,585
Poverty rate
10.3%
Median home value
$228,800
Median rent
$919/mo
Homeownership
83.2%
Bachelor's or higher
29.5%
Median age
39.3
Average commute
29.0 min
Largest reported origins and ancestries: German Americans (1,722), Irish Americans (1,365), Italian Americans (720).
Economy and federal money
Jobs, pay, income and spending are for Wayne County. PPP loans are for Flat Rock.
Unemployment rate
6.9%
Aug 2026, +1.1 pts in a year
Average annual pay
$79,422
721,389 jobs, 2025
Income per person
$55,715
BEA, 2024
Federal spending
$20.56B
FY 2026, $11,462 per person
How people get to work
Flat Rock, MI, workers 16 and older. American Community Survey 5-year estimates
- Drove alone78.6%
- Carpooled10.7%
- Public transit0.0%
- Walked1.6%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.0%
- Worked from home9.1%
Average one-way commute: 29.0 minutes for people who do not work from home.
Environment and hazard risk
Flat Rock, MI, from FEMA, NOAA and EPA
Natural hazard risk
Relatively High
Top: cold wave
Storm events since 1996
937
Countywide, mostly thunderstorm wind
Flood insurance policies
3,357
0.5% of homes, county
July high / Jan low
84° / 17°F
34.9 inches of rain a year
Health statistics
Share of adults in Flat Rock, MI, CDC PLACES estimates
Obesity
32.9%
U.S. 33.3% about the same
Diabetes
10.3%
U.S. 12.1% -1.8 pts
Smoking
15.8%
U.S. 12.8% +3.0 pts
Uninsured (18-64)
6.4%
U.S. 11.1% -4.7 pts
ZIP codes in Flat Rock
1 in or overlapping Flat Rock. Population shown
Cities near Flat Rock
| Name | Distance | Land area (sq mi) |
|---|---|---|
| South RockwoodVillage | 2.3 mi | 3.3 |
| RockwoodCity | 2.7 mi | 2.5 |
| WoodhavenCity | 3.1 mi | 6.4 |
| GibraltarCity | 3.5 mi | 3.7 |
| TrentonCity | 5.2 mi | 7.2 |
| RiverviewCity | 6.3 mi | 4.6 |
| CarletonVillage | 6.6 mi | 1 |
| Estral BeachVillage | 8 mi | 0.4 |
| SouthgateCity | 8.4 mi | 6.9 |
| TaylorCity | 9 mi | 23.6 |
| WyandotteCity | 9.9 mi | 5.3 |
| RomulusCity | 10 mi | 35.6 |
| Stony PointCensus-designated place | 11 mi | 1.2 |
| Woodland BeachCensus-designated place | 11 mi | 0.5 |
| Lincoln ParkCity | 11 mi | 5.8 |
| Detroit BeachCensus-designated place | 12 mi | 0.6 |
Frequently asked questions
- What county is Flat Rock, MI in?
- Flat Rock is in Wayne County, Michigan.
- What ZIP codes are in Flat Rock, MI?
- ZIP codes in or overlapping Flat Rock include 48134.
- What is the population of Flat Rock, MI?
- About 10,340 people live in Flat Rock, based on American Community Survey 5-year estimates.
- What cities are near Flat Rock?
- Nearby places include South Rockwood (2.3 mi), Rockwood (2.7 mi), Woodhaven (3.1 mi), Gibraltar (3.5 mi), Trenton (5.2 mi).
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023