Buchanan County, Missouri Population 2024

83,021

Buchanan County, Missouri's estimated 2024 population is 83,021 with a growth rate of 0.08% in the past year according to the most recent United States census data. Buchanan County, Missouri is the 15th largest county in Missouri. The 2010 population was 89,071 and has seen a growth of -6.79% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202983,346650.08%
202883,281650.08%
202783,216650.08%
202683,151650.08%
202583,086650.08%
202483,021650.08%
202382,956650.08%
202282,891-732-0.88%
202183,623-844-1%
202084,467-2,745-3.15%
201987,212-835-0.95%
201888,047-611-0.69%
201788,658-414-0.46%
201689,072-65-0.07%
201589,137-512-0.57%
201489,649-222-0.25%
201389,871-91-0.1%
201289,9622140.24%
201189,7486770.76%
201089,07100%
199083,083-4,805-5.47%
198087,8889731.12%
197086,915-3,666-4.05%
196090,581-6,245-6.45%
195096,8262,7592.93%
194094,067-4,566-4.63%
193098,6334,9495.28%
192093,6846640.71%
191093,020-28,818-23.65%
1900121,83851,73873.81%
189070,10020,30840.79%
188049,79214,68341.82%
187035,10911,24847.14%
186023,86110,88683.9%
185012,9756,738108.03%
18406,237-77,109-92.52%
2024 Growth Rate
0.08% (65)
County Website
Buchanan County
County Seat
Saint Joseph
2020 Population
84,467
Area
408 mi²
Density
203 people/mi²
Growth Since 2020
-1.71% (-1,446)
Founded
December 31, 1838

Population by Race

Race
Population
Percentage (of total)
White68,98282.26%
Two or more races5,5686.64%
Black or African American4,8125.74%
Other race2,5283.01%
Asian1,0101.2%
Native Hawaiian or Pacific Islander5990.71%
Native American3560.42%

White

Two or more races

Black or African American

Other race

Asian

Native Hawaiian or Pacific Islander

Native American

Buchanan County, Missouri Population by Race

Buchanan County, Missouri Population Pyramid 2024

Buchanan County, Missouri Median Age

38.9

Total

37.9

Male

40

Female

Buchanan County, Missouri Adults

There are 65,091 adults, (14,335 of whom are seniors) in Buchanan County, Missouri.

Buchanan County, Missouri Age Dependency

65.2

Age Dependency Ratio

28.2

Old Age Dependency Ratio

37

Child Dependency Ratio

Buchanan County, Missouri Sex Ratio

Female41,39349.36%
Male42,46250.64%

Buchanan County, Missouri Population by Age

Buchanan County, Missouri Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All33,3982.4164.935.1
Married13,6283.1581.218.8
Non Family13,5521.235050
Female4,3733.2955.444.6
Male1,8453.4976.323.7

3.05

Average Family Size

2.41

Average Household Size

64.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Buchanan County, Missouri Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade3,8996.82%
Associates Degree3,6336.35%
Bachelors Degree9,12715.96%
Graduate Degree4,2277.39%
High School Graduate21,86238.22%
Less Than 9th Grade1,9353.38%
Some College12,51721.88%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Buchanan County, Missouri Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White48,24844,36412,007
Hispanic3,2592,417541
2+ Races2,8002,373452
Black2,6872,050228
Other Race1,390982270
Asian644456232
Islander49731527
Native American31425722

The highest rate of high school graduation is among white people with a rate of 91.95%.

The highest rate of bachelors degrees is among asian people with a rate of 36.02%.

Buchanan County, Missouri Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$50,917$64,536$45,483
Graduate Degree$74,556$90,469$68,041
High School Graduate$37,242$44,024$30,072
Less Than 9th Grade$28,687$31,810$25,670
Overall$42,493$46,660$37,069
Some College$40,438$46,044$36,279

$42,493

Average Earnings

$46,660

Average Male

$37,069

Average Female

Buchanan County, Missouri Earnings by Educational Attainment

Buchanan County, Missouri Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Buchanan County, Missouri Language

93.82% of Buchanan County, Missouri residents speak only English, while 6.18% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 3.83% of the population.

Buchanan County, Missouri Language

Buchanan County, Missouri Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White65,1509,01413.84%
Black4,2351,85843.87%
Hispanic5,7721,36423.63%
Multiple5,2641,30624.81%
Other2,52855822.07%
Islander59936460.77%
Native32610732.82%
Asian1,010757.43%

16.88%

Overall Poverty Rate

15.39%

Male Poverty Rate

18.35%

Female Poverty Rate

Poverty in Buchanan County, Missouri

The race most likely to be in poverty in Buchanan County, Missouri is Islander, with 60.77% below the poverty level.

The race least likely to be in poverty in Buchanan County, Missouri is Asian, with 7.43% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.73%. Among those working part-time, it was 21.04%, and for those that did not work, the poverty rate was 24.57%.

Buchanan County, Missouri Poverty

rate

Rate
Poverty
Less Than 9th Grade30.01%
High School16.87%
Some College12.15%
Bachelors or Greater5.92%

Buchanan County, Missouri Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed37.38%
Female Unemployed28.64%
Female Employed10.83%
Male Employed6.59%

Buchanan County, Missouri Poverty Rate by Employment Status and Sex

Buchanan County, Missouri Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$72,210$96,101
Households$59,423$80,717
Married Families$89,425$113,859
Non Families$35,327$52,184

mean

median

Income by Household Type

Buchanan County, Missouri Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

42.8%

Overall Marriage Rate

43.4%

Male Marriage Rate

42.2%

Female Marriage Rate

Buchanan County, Missouri Married by Age and Sex

male

female

Buchanan County, Missouri Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.

Buchanan County, Missouri Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Buchanan County, Missouri Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

5,010

Number of Veterans

4,610

Male Veterans

400

Female Veterans

War
Veterans
Vietnam1,928
First Gulf War1,188
Second Gulf War1,033
Korea365
World War II62

Buchanan County, Missouri Veterans by War

count

Age Group
Veterans
65 to 741,430
75+1,257
35 to 541,087
55 to 64876
18 to 34360

Buchanan County, Missouri Veterans by Age

count

Name
Veterans
% of Total
White4,5888.42%
2+ Races2036.05%
Black1363.76%
Hispanic832.1%
Native American4012.27%
Asian202.39%
Islander122.41%
Other Race110.64%

Buchanan County, Missouri Veterans by Race

Buchanan County, Missouri Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

9.49%

Veteran Poverty Rate

38.25%

Veteran Disability Rate

Buchanan County, Missouri Veterans by Education

LaborForceParticipation

60%

Labor Force Participation

57%

Employment Rate

4.5%

Unemployment Rate

Buchanan County, Missouri Employment by Age

LaborForceParticipation

Buchanan County, Missouri Employment by Race

LaborForceParticipation

Buchanan County, Missouri 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

72.33%

Born in Buchanan County, Missouri

96.19%

Native Born

3.81%

Foreign Born

1.89%

Non Citizen

1.93%

Naturalized

Place of Birth

96.19% of Buchanan County, Missouri residents were born in the United States, with 72.33% having been born in Missouri. 1.89% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Buchanan County, Missouri Place of Birth

Sources