Onslow, IA Population

Overview

283

Total Population

32.9

Median age

57.24%

Female population %

74.7:100

Gender ratio (M:F)

5-9 years

Largest age group

70.5

Total dependency ratio

White

Largest racial group

6

Hispanic population

Sources: U.S. Census Bureau, American Community Survey (ACS) 2021

TABLE OF CONTENTS

Age

Onslow's population is young compared to the rest of the country:

The median age in Onslow is 32.9, compared to 38.8 nationwide, according to the American Community Survey 2017 - 2021 5 Year estimates.
Onslow's population under 18 was 36.04%, compared to the 22.51% nationwide.
Onslow's elderly or the senior population (over 65 age) was 9.19% as compared to 16.04% nationwide.
Of the total population in Onslow, 32.16% were under the age of 15, 14.84% aged 15 to 29, 43.82% aged 30 to 64, 6.36% aged 65 to 84, and 2.83% were 85 years of age and older.

There are 41 more females than males in Onslow:

The female percentage in the USA is 50.50% while the male percentage is 49.50%, compared to 57.24% females and 42.76% males in Onslow, IA.
The Onslow, IA gender ratio is 74.7:100 i.e. 74.7 men to 100 women (0.747).
For male population, the largest age group is 10-14 years with a population of 20.
For the female population, the largest age group is 5-9 years with a population of 24.

Onslow's population is moderately diverse:

Racial distribution of Onslow population: 92.58% are White, 6.01% are Black or African American and 1.41% are American Indian and Alaska Native.
Onslow's racial breakdown clearly shows that there is an absolute majority of White population in the city.
By ethnicity, 6 is Hispanic or Latino (of any race), and 277 (97.88% of the total population) is Non-Hispanic.
The largest racial group in Onslow is White with a population of 262 (92.58% of the total population).

Onslow's population has already reached its peak and is showing a trend of decline:

The peak population was 225 in the year 2000
From 2000 to 2010, Onslow's population decreased by 28 (12.44%), as compared to the national growth of 9.63%.
From 2010 to 2020, Onslow's population increased by 2 (1.02%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.
Between the year 2000 and 2022, Onslow's population was lowest in year 2015 at 193.