Flat Rock, MI 48134 ZIP Code Profile

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Flat Rock, MI

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ZIP Code 48134: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Flat Rock, MI 48134

Acceptable Alternative
Brownstown, MI 48134
Brownstown Township, MI 48134
Brownstown TWP, MI 48134
Brownstwn Twp, MI 48134

  • ZIP Code Type: STANDARD
  • County: Wayne County
  • Centroid: Latitude 42.108, Longitude -83.281
  • Time Zone: Eastern Time Zone (UTC -5 hours)
  • Observes DST: Yes
  • Businesses Addresses: 447
  • PO Box Addresses: 146
  • Residential Addresses: 9,124
    • Multi-Family Addresses: 599
    • Single Family Addresses: 8,525

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


48134 ZIP Code Map

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Flat Rock, MI 48134 Data & Demographics (As of July 1, 2017)


Total Population 23,678
Daytime Population: Workers 8,722
Daytime Population: Residents 12,077
Total Daytime Population (TDP) 20,799
Ratio TDP/Total Population1 0.88
Population in Households 23,595
Population in Familes 20,055
Population in Group Qrtrs 83
Population Density2 1,300
Diversity Index3 32


Median Household Income $63,289
Average Household Income $77,856
Per Capita Income $29,490


Total Housing Units 9,336 (100%)
Owner Occupied HU 6,834 (73.2%)
Renter Occupied HU 2,105 (22.5%)
Vacant Housing Units 397 ( 4.3%)
Median Home Value $174,316
Average Home Value $181,965


Total Households 8,939
Average Household Size 2.64
Family Households 6,476
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 0.59% 0.1%
Households 0.64% 0.14%
Families 0.48% 0.03%
Median Household Income   2.97%
Per Capita Income   2.77%

Flat Rock, MI 48134 - Peer Comparisons by Rank and Percentile

The table below compares 48134 to the other 984 ZIP Codes in Michigan by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 145 85th
Population Density # 193 80th
Diversity Index # 217 78th
Median Household Income # 157 84th
Per Capita Income # 250 75th

Additional comparisons and rankings can be made with a VERY EASY TO USE Michigan Census Data Comparison Tool.

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