Onslow, Iowa Population 2024

195
1921941961982002010201220142016201820202022202420262028YearPopulation

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: 0%
  • Native Hawaiian or Pacific Islander: 0%
  • Other race: 0%
State
Iowa
Land Area (mi²)
0.2 sq mi
Density (mi²)
1,005.0/sq mi
Growth Since 2020
-1.52% (-3)
The current population of Onslow, Iowa is 195 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 198.

Population by Race

Race
Population
Percentage (of total)
White28489.03%
Black or African American247.52%
Native American82.51%
Two or more races30.94%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%
89.03%7.52%Race

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

0102030405060708028262422201816141210864200246810121416182022242628MaleFemale

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

3.29

Average Family Size

2.9

Average Household Size

76.4%

Rate of Home Ownership

29.09%36.36%30.91%Households by Type

Married

Male

Female

NonFamily

MarriedMaleAllFemaleNon Family00.10.20.30.40.50.60.70.80.91

owner

renter

Onslow Households and Families

Less Than 9th Grade9th to 12th GradeHigh School GraduateSome CollegeAssociates DegreeBachelors DegreeGraduate Degree05101520253035

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade116.4%
Associates Degree2313.37%
Bachelors Degree158.72%
Graduate Degree42.33%
High School Graduate4827.91%
Less Than 9th Grade42.33%
Some College6738.95%
6.4%27.91%38.95%13.37%8.72%Over 25 Education

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

Native American2+ RacesHispanicWhiteBlack0%20%40%60%80%100%

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White15114011
Native American888
Black730
Hispanic660
2+ Races110

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

OverallLess Than 9th GradeHigh School GraduateSome CollegeBachelors DegreeGraduate Degree$0$10,000$20,000$30,000$40,000$50,000$60,000$70,000

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$55,000$0$0
Graduate Degree$0$0$0
High School Graduate$0$68,125$0
Less Than 9th Grade$0$0$0
Overall$34,732$50,000$30,625
Some College$34,196$44,531$31,250

$34,732

Average Earnings

$50,000

Average Male

$30,625

Average Female

Onslow Earnings by Educational Attainment

Onslow Language by Age

100%Languages

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Onslow Language

100% of Onslow residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.

Onslow Language

Onslow Poverty by Race

BlackNativeHispanicWhite0%10%20%30%40%50%60%70%80%90%100%

rate

Name
Total
In Poverty
Poverty Rate
White2739936.26%
Black2424100%
Native88100%
Hispanic8562.5%

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

Less Than 9th GradeHigh SchoolSome CollegeBachelors or Greater0%5%10%15%20%25%30%35%40%45%50%

rate

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

Onslow Poverty Rate by Education

Male EmployedMale UnemployedFemale EmployedFemale Unemployed0%2%4%6%8%10%12%14%16%18%20%22%

rate

Rate
Poverty
Male Employed20.63%
Female Employed9.38%
Male Unemployed0%
Female Unemployed0%

Onslow Poverty Rate by Employment Status and Sex

Onslow Income by Household Type

Under10k10kTo15k15kTo25k25kTo35k35kTo50k50kTo75k75kTo100k100kTo150k150kTo200kOver200k010203040

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$41,429$56,866
Households$40,588$52,108
Married Families$106,250$-999,999,999
Non Families$32,500$41,474
HouseholdsFamiliesMarried FamiliesNon Families020,00040,00060,00080,000100,000

mean

median

Income by Household Type

Onslow Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

45-54Over 6520-3455-6435-44020406080100

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

WhiteNonHispanicWhiteBlackIndianTwoOrMoreRacesHispanic0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

NeverMarried

Onslow Marital Status

66.67%11.11%22.22%Veterans by War

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

12

Number of Veterans

11

Male Veterans

1

Female Veterans

War
Veterans
First Gulf War6
Korea2
Vietnam1
Second Gulf War0
World War II0

Onslow Veterans by War

18 to 3435 to 5455 to 6465 to 7475+012345678

count

Age Group
Veterans
55 to 648
75+3
35 to 541
18 to 340
65 to 740

Onslow Veterans by Age

WhiteNative American2+ RacesHispanic00.5011.5022.5033.5044.5055.506

count

Name
Veterans
% of Total
White63.37%
Native American562.5%
2+ Races1100%
Hispanic116.67%

Onslow Veterans by Race

Onslow Veterans by Education

33.33%25%41.67%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

16 - 1920 - 2425 - 2930 - 3435 - 4445 - 5455 - 5960 - 6465 - 7475+0102030405060708090100

LaborForceParticipation

58.9%

Labor Force Participation

58%

Employment Rate

1.6%

Unemployment Rate

Onslow Employment by Age

HispanicWhiteWhite Non-Hispanic2+ Races01020304050607080

LaborForceParticipation

Onslow Employment by Race

Less Than High SchoolHigh School GraduateSome CollegeBachelors or Greater0102030405060708090

LaborForceParticipation

Onslow Employment by Education

Origin of Non-Citizens

100%Origin

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

Origin

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

0%

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
Year
Population
Growth
Change
202919200%
2028192-1-0.52%
2027193-1-0.52%
202619400%
2025194-1-0.51%
2024195-1-0.51%
2023196-3-1.51%
2022199-1-0.5%
202120021.01%
202019852.59%
201919300%
201819300%
2017193-1-0.52%
201619410.52%
2015193-1-0.52%
201419400%
201319400%
2012194-3-1.52%
201119700%
201019700%

Onslow Population by Year