Onaga

County:: Pottawatomie County
County Seat:: No
Area (mi²):: 0.656
State:: Kansas

Onaga is a city located in Pottawatomie County, Kansas. Onaga has a 2025 population of 671. Onaga is currently declining at a rate of -0.3% annually and its population has decreased by -1.32% since the most recent census, which recorded a population of 680 in 2020.

The average household income in Onaga is $60,995 with a poverty rate of 12.91%.The median age in Onaga is 58.3 years: 57.3 years for males, and 61.4 years for females.

Demographics

The racial composition of Onaga includes 93.24% White, 3.09% Asian, and smaller percentages for Two or more races, Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	634	93.24%
Asian	21	3.09%
Two or more races	19	2.79%
Native American	6	0.88%

Onaga Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Onaga's average per capita income is $49,432. Household income levels show a median of $46,042. The poverty rate stands at 12.91%.

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	$95,667	-
Families	$93,750	$95,152
Households	$46,042	$60,995
Non Families	$24,000	$31,169

$49,432

Average Income

$46,042

Median Household Income

12.91%

Poverty Rate