Onslow

County:: Jones County
County Seat:: No
Area (mi²):: 0.194
State:: Iowa

Onslow is a city located in Jones County, Iowa. Onslow has a 2025 population of 194. Onslow is currently declining at a rate of -0.51% annually and its population has decreased by -2.02% since the most recent census, which recorded a population of 198 in 2020.

The average household income in Onslow is $58,915 with a poverty rate of 34.64%. The median age in Onslow is 28 years: 22.4 years for males, and 31.5 years for females.

Demographics

The racial composition of Onslow includes 92.16% White, and smaller percentages for Black or African American, Native American, Two or more races, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Black or African American

Native American

Two or more races

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	282	92.16%
Black or African American	9	2.94%
Native American	8	2.61%
Two or more races	7	2.29%
Asian	0	0%
Native Hawaiian or Pacific Islander	0	0%
Other race	0	0%

Onslow Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Onslow's average per capita income is $36,827. Household income levels show a median of $42,813. The poverty rate stands at 34.64%.

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	$91,250	-
Families	$62,656	$67,682
Households	$42,813	$58,915
Non Families	$19,583	$32,950

$36,827

Average Income

$42,813

Median Household Income

34.64%

Poverty Rate