Onslow, Iowa Population 2024

201

Onslow is a city located in Jones County Iowa. Onslow has a 2024 population of 201. Onslow is currently declining at a rate of annually and its population has increased by 1.01% since the most recent census, which recorded a population of 199 in 2020.

The average household income in Onslow is $52,108 with a poverty rate of 43.45%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Onslow is 27.5 years, 23 years for males, and 32.2 years for females.

Onslow Demographics

According to the most recent ACS, the racial composition of Onslow was:

  • White: 89.03%
  • Black or African American: 7.52%
  • Native American: 2.51%
  • Two or more races: 0.94%
  • Asian:
  • Native Hawaiian or Pacific Islander:
  • Other race:
State
Iowa
Land Area (mi²)
0.2 sq mi
Density (mi²)
892.50/sq mi
Growth Since 2020
1.01% (2)
The current population of Onslow, Iowa is 201 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 199.

Onslow, Iowa Population 2024

Population by Race

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Race
Population
Percentage (of total)
White28489.03%
Black or African American247.52%
Native American82.51%
Two or more races30.94%
Asian
Native Hawaiian or Pacific Islander
Other race
showing: 7 rows

White

Black or African American

Native American

Two or more races

Asian

Native Hawaiian or Pacific Islander

Other race

Onslow Population by Race

Onslow Population Pyramid 2024

Onslow Median Age

27.5

Total

23

Male

32.2

Female

Onslow Adults

There are 198 adults, (25 of whom are seniors) in Onslow.

Onslow Age Dependency

84.4

Age Dependency Ratio

14.5

Old Age Dependency Ratio

69.9

Child Dependency Ratio

Onslow Sex Ratio

Female16551.72%
Male15448.28%

Onslow Population by Age

Onslow Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1102.976.423.6
Female40467.532.5
Non Family341.7661.838.2
Married322.811000
Male42.251000
showing: 5 rows

3.29

Average Family Size

2.9

Average Household Size

76.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Onslow Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Onslow Educational Attainment by Sex (over 25)

Onslow Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among native american people with a rate of 100%.

The highest rate of bachelors degrees is among native american people with a rate of 100%.

Onslow Educational Attainment by Race

All

Male

Female

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$34,732

Average Earnings

$50,000

Average Male

$30,625

Average Female

Onslow Earnings by Educational Attainment

Onslow Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Onslow Language

100% of Onslow residents speak only English, while speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by of the population.

Onslow Language

Onslow Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White2739936.26%
Black2424100%
Native88100%
Hispanic8562.5%
showing: 4 rows

43.45%

Overall Poverty Rate

40%

Male Poverty Rate

46.63%

Female Poverty Rate

Poverty in Onslow

The race most likely to be in poverty in Onslow is Black, with 100% below the poverty level.

The race least likely to be in poverty in Onslow is White, with 36.26% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.22%. Among those working part-time, it was 48.94%, and for those that did not work, the poverty rate was 75.61%.

Onslow Poverty

rate

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Rate
Poverty
Bachelors or Greater47.37%
Less Than 9th Grade40%
Some College34.44%
High School12.5%
showing: 4 rows

Onslow Poverty Rate by Education

rate

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Rate
Poverty
Male Employed20.63%
Female Employed9.38%
Male Unemployed
Female Unemployed
showing: 4 rows

Onslow Poverty Rate by Employment Status and Sex

Onslow Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Onslow Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

29.4%

Overall Marriage Rate

32.7%

Male Marriage Rate

26.1%

Female Marriage Rate

Onslow Married by Age and Sex

male

female

Onslow Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Onslow Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Onslow Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

12

Number of Veterans

11

Male Veterans

1

Female Veterans

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Onslow Veterans by War

count

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Onslow Veterans by Age

count

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Onslow Veterans by Race

Onslow Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

41.67%

Veteran Poverty Rate

58.33%

Veteran Disability Rate

Onslow Veterans by Education

LaborForceParticipation

58.9%

Labor Force Participation

58%

Employment Rate

1.6%

Unemployment Rate

Onslow Employment by Age

LaborForceParticipation

Onslow Employment by Race

LaborForceParticipation

Onslow Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

86.52%

Born in Onslow

99.37%

Native Born

0.63%

Foreign Born

0.63%

Non Citizen

Naturalized

Place of Birth

99.37% of Onslow residents were born in the United States, with 86.52% having been born in Iowa. 0.63% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Onslow Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029201
2028201
2027201
2026201
2025201
2024201
2023201
2022201
202120121.01%
202019963.11%
2019193
2018193
2017193-1-0.52%
201619410.52%
2015193-1-0.52%
2014194
2013194
2012194-3-1.52%
2011197
2010197
showing: 20 rows

Onslow Population by Year