Benton County, Iowa Population 2024

25,850

Benton County, Iowa's estimated 2024 population is 25,850 with a growth rate of 0.21% in the past year according to the most recent United States census data. Benton County, Iowa is the 24th largest county in Iowa. The 2010 population was 26,049 and has seen a growth of -0.76% since that time.

Note: data after 2022 is projected based on recent change

35 Rows

Year
Population
Growth
Change
202926,120540.21%
202826,066540.21%
202726,012540.21%
202625,958540.21%
202525,904540.21%
202425,850540.21%
202325,796540.21%
202225,74240.02%
202125,7381890.74%
202025,54950.02%
201925,544-2-0.01%
201825,546-105-0.41%
201725,651170.07%
201625,634260.1%
201525,608-12-0.05%
201425,620-78-0.3%
201325,698-131-0.51%
201225,829-250-0.96%
201126,079300.12%
201026,04900%
199022,429-1,220-5.16%
198023,6497643.34%
197022,885-537-2.29%
196023,4227663.38%
195022,656-223-0.97%
194022,879280.12%
193022,851-1,229-5.1%
192024,0809243.99%
191023,156-2,021-8.03%
190025,1779994.13%
189024,178-710-2.85%
188024,8882,43410.84%
187022,45413,958164.29%
18608,4967,8241164.29%
1850672-25,448-97.43%
2024 Growth Rate
0.21% (54)
County Website
Benton County
State
Iowa
County Seat
Vinton
2020 Population
25,549
Area
716 mi²
Density
36 people/mi²
Growth Since 2020
1.18% (301)
Founded
1837

Population by Race

Race
Population
Percentage (of total)
White24,51495.56%
Two or more races6722.62%
Other race2751.07%
Black or African American1080.42%
Asian610.24%
Native American220.09%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Other race

Black or African American

Asian

Native American

Native Hawaiian or Pacific Islander

Benton County, Iowa Population by Race

Benton County, Iowa Population Pyramid 2024

Benton County, Iowa Median Age

43

Total

41.9

Male

44

Female

Benton County, Iowa Adults

There are 19,735 adults, (4,835 of whom are seniors) in Benton County, Iowa.

Benton County, Iowa Age Dependency

72.2

Age Dependency Ratio

32.4

Old Age Dependency Ratio

39.7

Child Dependency Ratio

Benton County, Iowa Sex Ratio

Female12,71849.58%
Male12,93450.42%

Benton County, Iowa Population by Age

Benton County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All10,1142.583.816.2
Married5,8432.9993.66.4
Non Family3,2171.369.830.2
Female5993.4271.328.7
Male4553.5872.327.7

2.99

Average Family Size

2.5

Average Household Size

83.8%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Benton County, Iowa Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade7174.01%
Associates Degree2,73115.29%
Bachelors Degree2,87916.11%
Graduate Degree1,2887.21%
High School Graduate6,17234.54%
Less Than 9th Grade2791.56%
Some College3,80121.27%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Benton County, Iowa Educational Attainment by Sex (over 25)

Benton County, Iowa Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White17,20316,3004,001
2+ Races27226743
Hispanic22315727
Other Race152977
Black766139
Asian615843
Native American19198

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 asian people with a rate of 70.49%.

Benton County, Iowa Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$63,547$72,895$58,393
Graduate Degree$77,560$103,684$68,608
High School Graduate$44,089$50,546$33,972
Less Than 9th Grade$35,516$44,205$0
Overall$52,266$58,338$43,312
Some College$50,190$61,776$39,362

$52,266

Average Earnings

$58,338

Average Male

$43,312

Average Female

Benton County, Iowa Earnings by Educational Attainment

Benton County, Iowa Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Benton County, Iowa Language

97.41% of Benton County, Iowa residents speak only English, while 2.59% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.38% of the population.

Benton County, Iowa Language

Benton County, Iowa Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White23,9661,9648.19%
Hispanic4416614.97%
Other2744215.33%
Multiple647396.03%
Black882022.73%
Native221463.64%

8.3%

Overall Poverty Rate

6.07%

Male Poverty Rate

10.57%

Female Poverty Rate

Poverty in Benton County, Iowa

The race most likely to be in poverty in Benton County, Iowa is Native, with 63.64% below the poverty level.

The race least likely to be in poverty in Benton County, Iowa is Multiple, with 6.03% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.48%. Among those working part-time, it was 10.99%, and for those that did not work, the poverty rate was 20.32%.

Benton County, Iowa Poverty

rate

Rate
Poverty
Less Than 9th Grade18.6%
High School11.56%
Some College6.39%
Bachelors or Greater3.86%

Benton County, Iowa Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed30.77%
Female Unemployed19.25%
Female Employed4.14%
Male Employed3.19%

Benton County, Iowa Poverty Rate by Employment Status and Sex

Benton County, Iowa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$95,589$109,462
Households$79,444$92,655
Married Families$104,321$-999,999,999
Non Families$39,605$53,516

mean

median

Income by Household Type

Benton County, Iowa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

57.3%

Overall Marriage Rate

58.5%

Male Marriage Rate

56.1%

Female Marriage Rate

Benton County, Iowa Married by Age and Sex

male

female

Benton County, Iowa 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 55-64.

Benton County, Iowa Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Benton County, Iowa Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,625

Number of Veterans

1,504

Male Veterans

121

Female Veterans

War
Veterans
Vietnam532
Second Gulf War370
First Gulf War261
Korea78
World War II12

Benton County, Iowa Veterans by War

count

Age Group
Veterans
35 to 54417
65 to 74408
55 to 64374
75+322
18 to 34104

Benton County, Iowa Veterans by Age

count

Name
Veterans
% of Total
White1,6080.08452481076534903
Hispanic250.09124087591240876
Native American100.5263157894736842
2+ Races70.018666666666666668

Benton County, Iowa Veterans by Race

Benton County, Iowa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

6.44%

Veteran Poverty Rate

23.39%

Veteran Disability Rate

Benton County, Iowa Veterans by Education

LaborForceParticipation

66.2%

Labor Force Participation

64.6%

Employment Rate

2.3%

Unemployment Rate

Benton County, Iowa Employment by Age

LaborForceParticipation

Benton County, Iowa Employment by Race

LaborForceParticipation

Benton County, Iowa 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

84.71%

Born in Benton County, Iowa

99.28%

Native Born

0.72%

Foreign Born

0.23%

Non Citizen

0.49%

Naturalized

Place of Birth

99.28% of Benton County, Iowa residents were born in the United States, with 84.71% having been born in Iowa. 0.23% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Benton County, Iowa Place of Birth

Sources