Demographics in Onslow, IA

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is Onslow?

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Population

Source: U.S. Census Bureau ACS (2023)

Total Population

306

Male

163

53.3%

Female

143

46.7%

Median Age

28.0

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)

White

92.2%

Black

2.9%

Hispanic

2.3%

Two or More

2.3%

Education & Household

Source: U.S. Census Bureau ACS (2023)

Bachelor's or Higher

7.5%

High School or Higher

24.5%

Foreign Born

0.3%

Veterans

4.3%

Married

30.4%

Avg Household Size

3.0

Marital Status by Age

Source: U.S. Census Bureau ACS (2023)

Onslow, IA has a population of 306 with a median age of 28.0. The racial makeup is 92.2% White, 2.3% Hispanic, 2.9% Black. About 7.5% of residents hold a bachelor's degree or higher. The foreign-born population is 0.3%.