Michigan · Census place 2628360

Flat Rock, Michigan

Flat Rock is a city in Wayne County, Michigan with an estimated 10,249 residents on July 1, 2024. It is the 89th largest of 353 incorporated places of 1,000+ people in the state.

Population 2024
10,249
#89 of 353 in Michigan
Change since 2020
-2.4%
-250 people
Land area
6.6 sq mi
+ 0.14 sq mi water
Density
1,560 / sq mi
State median 2,478
Orange pin: Flat Rock. Shaded: its county. Dark pin: Lansing.

Flat Rock population, 2020 to 2024

Flat Rock lost 250 residents from July 2020 to July 2024, a change of -2.4%. In the latest year it moved by +28. Among 153 Michigan places of 5,000 or more, that growth ranks 123rd; the median place changed by -0.5%. The median place of 5,000+ in Michigan has 12,132 people, so Flat Rock is 84% of it.

10.5k202010.4k202110.3k202210.2k202310.2k2024
July 1 estimates. The April 2020 estimates base was 10,539. The axis starts above zero so yearly changes are visible.

Flat Rock covers 6.57 square miles of land and 0.14 of water, for 1,560 people per square mile of land. The median Michigan place of 5,000+ has 2,478, so Flat Rock is less dense than the typical town.

What county Flat Rock is in

All of Flat Rock's residents live in Wayne County, which had 1,771,063 residents in 2024. Flat Rock holds 0.6% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Flat Rock

1 ZIP Code Tabulation Area (ZCTA) overlaps Flat Rock by at least 10% of the ZCTA's or the city's land: 48134. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Flat Rock is

The Census internal point of Flat Rock is at 42.097900, -83.269800. Lansing, the capital, is 78.9 miles NW in a straight line. The nearest larger place is Woodhaven, MI (12,575 people), 3.1 miles away. The nearest city of 100,000 or more is Dearborn, MI, 15.2 miles away.

Internal point

Decimal
42.097900, -83.269800
DMS
42°05'52.44"N 83°16'11.28"W
UTM
17N 312303.9E 4663139.2N
Geohash
dpkz3psy1
Plus code
86JR3PXJ+53

Daylight in Flat Rock

At 42.10° N, Flat Rock gets about 15 h 15 min of daylight around the June solstice and 9 h 06 min around the December solstice, a swing of 6 h 09 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Flat Rock

The eight nearest incorporated places of 1,000+ in Michigan, measured between internal points. The closest is Rockwood, 2.4 miles away, with 3,148 people.

Questions people ask

What is the population of Flat Rock, MI?

10,249 on July 1, 2024, in the Census Vintage 2024 estimates. That is down 250 (2.4%) from 10,499 in July 2020.

What county is Flat Rock in?

Wayne County. All of its residents live in that county.

What ZIP codes cover Flat Rock?

1 ZIP Code Tabulation Area overlaps it by at least 10% of either area: 48134.

How far is Flat Rock from Lansing?

78.9 miles (127.0 km) in a straight line, heading NW from Flat Rock.

What is the nearest larger city to Flat Rock?

Woodhaven, MI, with 12,575 residents, 3.1 miles away between internal points.

Sources and data as of

Data as of: Census Vintage 2024 subcounty estimates (July 1, 2024), 2024 Gazetteer places, 2020 ZCTA to place relationship file.

  1. 01Census Vintage 2024 subcounty population estimates
  2. 02Census 2024 Gazetteer, places
  3. 03Census 2020 ZCTA to place relationship file
  4. 04Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.