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, Black or African American, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Asian

Two or more races

Native American

Black or African American

Native Hawaiian or Pacific Islander

Other 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%
Black or African American	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

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