Rock Flag

Rock

County:
Delta County
County Seat:
No
Area (mi²):
0.901
State:
Michigan

Rock is a CDP located in Delta County, Michigan. Rock has a 2025 population of 230 . Rock is currently growing at a rate of 6.98% annually and its population has increased by 45.57% since the most recent census, which recorded a population of 158 in 2020.

The average household income in Rock is $65,662 with a poverty rate of 15.73%. The median age in Rock is 42 years: 34.4 years for males, and 43.8 years for females. For every 100 females there are 154.3 males.

230
Total Population
255
Density (mi²)
15 6.98%
Growth

Rock Population

Rock Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Rock includes 93.82% White, and smaller percentages for and multiracial populations.

Population by Race

White (93.82%)

Two or more races (6.18%)

Race
Population
Percentage (of total)
White16793.82%
Two or more races116.18%

Rock Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Rock's average per capita income is $24,625. Household income levels show a median of $70,833. The poverty rate stands at 15.73%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Families$88,333$97,608
Married Families$87,917-
Households$70,833$65,662
Non Families$26,250$32,034

$24,625

Average Income

$70,833

Median Household Income

15.73%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)