Ontwa township Flag

Ontwa township

County:
Cass County
County Seat:
No
Area (mi²):
19.419
State:
Michigan

Ontwa township is located in Cass County, Michigan. Ontwa township has a 2026 population of 6,853. Ontwa township is currently growing at a rate of 0.2% annually but its population has decreased by -0.65% since the most recent census, which recorded a population of 6,898 in 2020.

The median household income in Ontwa township is $61,241 with a poverty rate of 10.1%. The median age in Ontwa township is 44.9 years: 45.4 years for males, and 44.7 years for females. For every 100 females there are 90.8 males.

6.9K
Total Population
353
Density (mi²)
14 0.2%
Growth

Ontwa township Population

Ontwa township Population

Year ↓
Population
Growth
Annual Change
20266,853140.2%
20256,839140.21%
20246,825-13-0.19%
20236,83800%
20226,838-12-0.18%
20216,850-48-0.7%
20206,898-6-0.09%
20196,604410.62%
20186,563490.75%
20176,514370.57%
20166,47780.12%
20156,469-15-0.23%
20146,48420.03%
20136,482-43-0.66%
20126,525-41-0.62%
20116,566170.26%
20106,545-4-0.06%

Median Age

Overall: 44.9 years
Female: 44.7 years
Male: 45.4 years

Ontwa township Adults

There are 5,535 adults, (1,431 of whom are seniors) in Ontwa township.

Sex Ratio

Female: 3,600 (52.4%)
Male: 3,270 (47.6%)

Demographics

The racial composition of Ontwa township includes 88.79% White, and smaller percentages for Black or African American, other race, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White6,10088.79%
Two or more races6098.86%
Black or African American691%
Other race691%
Asian230.33%
Race
Population ↓
Percentage (of total)
Two or more races1091.59%
Other race500.73%
White160.23%
Race
Population ↓
Percentage (of total)
White6,08488.56%
Two or more races5007.28%
Black or African American691%
Asian230.33%
Other race190.28%

Ontwa township Marital Status

Economics and Income Statistics

Ontwa township's average per capita income is $49,664. Household income levels show a median of $61,241. The poverty rate stands at 10.1%.

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
Married Families$99,890-
Families$92,500$111,697
Households$61,241$93,214
Non Families$39,611$54,394

$49,664

Average Income

$61,241

Median Household Income

10.1%

Poverty Rate

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)