Buchanan County, Iowa Population 2024

20,693

Buchanan County, Iowa's estimated 2024 population is 20,693 with a growth rate of 0.01% in the past year according to the most recent United States census data. Buchanan County, Iowa is the 30th largest county in Iowa. The 2010 population was 20,975 and has seen a growth of -1.34% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202920,70320.01%
202820,70120.01%
202720,69920.01%
202620,69720.01%
202520,69520.01%
202420,69320.01%
202320,69120.01%
202220,689-14-0.07%
202120,703980.48%
202020,605-543-2.57%
201921,14880.04%
201821,14070.03%
201721,1331340.64%
201620,999-111-0.53%
201521,110-25-0.12%
201421,1351070.51%
201321,028330.16%
201220,995840.4%
201120,911-64-0.31%
201020,97500%
199020,844-2,056-8.98%
198022,9001,1545.31%
197021,746-547-2.45%
196022,2933661.67%
195021,9279364.46%
194020,9911,4417.37%
193019,550-340-1.71%
192019,8901420.72%
191019,748-1,679-7.84%
190021,4272,43012.79%
189018,9974512.43%
188018,5461,5128.88%
187017,0349,128115.46%
18607,9067,3891429.21%
1850517-20,186-97.5%
2024 Growth Rate
0.01% (2)
County Website
Buchanan County
State
Iowa
County Seat
Independence
2020 Population
20,605
Area
571 mi²
Density
36 people/mi²
Growth Since 2020
0.43% (88)
Founded
1837

Population by Race

Race
Population
Percentage (of total)
White19,90796.43%
Two or more races4352.11%
Black or African American1540.75%
Native American520.25%
Asian460.22%
Other race350.17%
Native Hawaiian or Pacific Islander160.08%

White

Two or more races

Black or African American

Native American

Asian

Other race

Native Hawaiian or Pacific Islander

Buchanan County, Iowa Population by Race

Buchanan County, Iowa Population Pyramid 2024

Buchanan County, Iowa Median Age

39.9

Total

38.6

Male

41.4

Female

Buchanan County, Iowa Adults

There are 15,337 adults, (3,773 of whom are seniors) in Buchanan County, Iowa.

Buchanan County, Iowa Age Dependency

78.5

Age Dependency Ratio

32.6

Old Age Dependency Ratio

45.9

Child Dependency Ratio

Buchanan County, Iowa Sex Ratio

Female10,24049.6%
Male10,40550.4%

Buchanan County, Iowa Population by Age

Buchanan County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All8,1502.5181.118.9
Married4,5513.193.66.4
Non Family2,5821.1963.936.1
Female6333.3461.938.1
Male3843.0980.219.8

3.04

Average Family Size

2.51

Average Household Size

81.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Buchanan County, Iowa Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade4653.35%
Associates Degree1,89513.66%
Bachelors Degree2,20215.87%
Graduate Degree8946.45%
High School Graduate5,00836.1%
Less Than 9th Grade2792.01%
Some College3,12822.55%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Buchanan County, Iowa Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White13,27112,5902,975
2+ Races27825824
Hispanic20017486
Black90820
Asian46434
Other Race26247
Native American25127
Islander880

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

The highest rate of bachelors degrees is among hispanic people with a rate of 43%.

Buchanan County, Iowa Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$51,494$66,042$47,238
Graduate Degree$65,781$85,671$60,132
High School Graduate$41,985$51,311$29,805
Less Than 9th Grade$50,223$57,585$23,125
Overall$46,287$56,234$40,090
Some College$43,518$54,240$38,269

$46,287

Average Earnings

$56,234

Average Male

$40,090

Average Female

Buchanan County, Iowa Earnings by Educational Attainment

Buchanan County, Iowa Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Buchanan County, Iowa Language

96.17% of Buchanan County, Iowa residents speak only English, while 3.83% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.64% of the population.

Buchanan County, Iowa Language

Buchanan County, Iowa Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White19,5091,3476.9%
Multiple433409.24%
Hispanic369338.94%
Black145138.97%
Asian46613.04%
Other32412.5%

7.03%

Overall Poverty Rate

5.84%

Male Poverty Rate

8.24%

Female Poverty Rate

Poverty in Buchanan County, Iowa

The race most likely to be in poverty in Buchanan County, Iowa is Asian, with 13.04% below the poverty level.

The race least likely to be in poverty in Buchanan County, Iowa is White, with 6.9% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.63%. Among those working part-time, it was 9.97%, and for those that did not work, the poverty rate was 14.8%.

Buchanan County, Iowa Poverty

rate

Rate
Poverty
Less Than 9th Grade14.42%
High School10.03%
Some College6.65%
Bachelors or Greater2.37%

Buchanan County, Iowa Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed49.69%
Female Unemployed37.41%
Female Employed5.54%
Male Employed2.17%

Buchanan County, Iowa Poverty Rate by Employment Status and Sex

Buchanan County, Iowa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$92,016$108,847
Households$78,430$92,603
Married Families$103,922$-999,999,999
Non Families$37,599$51,631

mean

median

Income by Household Type

Buchanan County, Iowa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

57.5%

Overall Marriage Rate

57.8%

Male Marriage Rate

57.1%

Female Marriage Rate

Buchanan County, Iowa Married by Age and Sex

male

female

Buchanan County, Iowa Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 45-54.

Buchanan County, Iowa Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Buchanan County, Iowa Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,055

Number of Veterans

981

Male Veterans

74

Female Veterans

War
Veterans
Vietnam448
Second Gulf War239
First Gulf War209
World War II21
Korea17

Buchanan County, Iowa Veterans by War

count

Age Group
Veterans
65 to 74334
75+288
35 to 54219
55 to 64160
18 to 3454

Buchanan County, Iowa Veterans by Age

count

Name
Veterans
% of Total
White1,0396.99%
2+ Races134.56%
Hispanic83.05%
Other Race311.54%

Buchanan County, Iowa Veterans by Race

Buchanan County, Iowa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.96%

Veteran Poverty Rate

31.27%

Veteran Disability Rate

Buchanan County, Iowa Veterans by Education

LaborForceParticipation

68.4%

Labor Force Participation

66.6%

Employment Rate

2.7%

Unemployment Rate

Buchanan County, Iowa Employment by Age

LaborForceParticipation

Buchanan County, Iowa Employment by Race

LaborForceParticipation

Buchanan 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

86.34%

Born in Buchanan County, Iowa

98.39%

Native Born

1.61%

Foreign Born

1.11%

Non Citizen

0.5%

Naturalized

Place of Birth

98.39% of Buchanan County, Iowa residents were born in the United States, with 86.34% having been born in Iowa. 1.11% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Africa.

Buchanan County, Iowa Place of Birth

Sources