Buchanan County, Iowa Population 2021

Buchanan County, Iowa's estimated population is 21,169 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 inIowa. The 2010 Population was 20,974 and has seen a growth of 0.93% since this time.

Note: 2020 and 2021 data is projected
Year Population Growth Annual Growth Rate
202121,169-3-0.01%
202021,172-3-0.01%
201921,175-3-0.01%
201821,178520.25%
201721,1261190.57%
201621,007-98-0.46%
201521,105-26-0.12%
201421,1311050.50%
201321,026320.15%
201220,994830.40%
201120,911-63-0.30%
201020,9741300.62%
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%
18505170.00%
2021 Growth Rate
-0.01% (-3)
County Website
State
Founded
1837
County Seat
2010 Population
20,974
Growth Since 2010
0.93% (195)
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Buchanan County, Iowa Population Growth

Population by Race

Race Population Percentage
White20,56497.38%
Two or More Races3841.82%
American Indian and Alaska Native780.37%
Asian540.26%
Black or African American360.17%
Some Other Race20.01%
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Buchanan County, Iowa Population by Race

Buchanan County, Iowa Population Pyramid $2021

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Buchanan County, Iowa Median Age

39.1


Total

38.5


Male

40


Female

Buchanan County, Iowa Adults

There are 15,469 adults, (3,769 of whom are seniors) in Buchanan County, Iowa.

Buchanan County, Iowa Age Dependency

80.5

Age Dependency Ratio

32.2

Old Age Dependency Ratio

48.3

Child Dependency Ratio

Buchanan County, Iowa Sex Ratio

Female

10,686

50.60%

Male

10,432

49.40%

Buchanan County, Iowa Population by Age

Buchanan County, Iowa Renter vs Owner Occupied by Household Type

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Buchanan County, Iowa Household Types

Type Owner Renter
Female59.1%40.9%
Male60.9%39.1%
Non Family65.2%34.8%
All79.3%20.7%
Married91.6%8.4%

79.3%

Rate of Home Ownership

Buchanan County, Iowa Households and Families

Type Count Average Size Owned
All8,0292.5979.3
Married4,5173.191.6
Non Family2,4601.2365.2
Female6993.5259.1
Male3533.8560.9

3.09

Average Family Size

2.59

Average Household Size

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Buchanan County, Iowa Households by Type

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Education Attained Count Percentage
Less Than 9th Grade4313.08%
9th to 12th Grade3952.82%
High School Graduate5,39838.54%
Some College2,90920.77%
Associates Degree1,85413.24%
Bachelors Degree2,15515.39%
Graduate Degree8636.16%
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Buchanan County, Iowa Educational Attainment by Sex (over 25)

Buchanan County, Iowa Educational Attainment by Race

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Race Total High School Bachelors
White13,67712,8842,922
Hispanic14713779
2+ Races11111131
Native American70552
Black2616
Asian1212
Other Race11

The highest rate of high school graduation is among asian people with a rate of 100.00%.

The highest rate of bachelors degrees is among hispanic people with a rate of 53.74%.

Buchanan County, Iowa Educational Attainment by Race

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Name Average Male Female
Overall$38,335$47,880$31,989
Less Than 9th Grade$26,288$35,815$12,473
High School Graduate$32,835$37,469$26,520
Some College$36,643$49,085$30,259
Bachelors Degree$56,356$67,207$46,332
Graduate Degree$71,490$81,442$51,505

$38,335

Average Earnings

$47,880

Average Male

$31,989

Average Female

Buchanan County, Iowa Earnings by Educational Attainment

Buchanan County, Iowa Language by Age

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Buchanan County, Iowa Language

96.70% of Buchanan County, Iowa residents speak only English, while 3.30% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 2.07% of the population.

Buchanan County, Iowa Language

Buchanan County, Iowa Poverty by Race

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Name Total In Poverty Poverty Rate
White20,0631,7438.69%
Multiple375338.80%
Hispanic323278.36%
Native771114.29%
Black14857.14%

8.69%

Overall Poverty Rate

7.58%

Male Poverty Rate

9.78%

Female Poverty Rate

Poverty in Buchanan County, Iowa

The race most likely to be in poverty in Buchanan County, Iowa is Black, with 57.14% below the poverty level.

The race least likely to be in poverty in Buchanan County, Iowa is Hispanic, with 8.36% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.30%. Among those working part-time, it was 10.90%, and for those that did not work, the poverty rate was 15.69%.

Buchanan County, Iowa Poverty

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Name Poverty
Less Than 9th Grade15.11%
High School9.22%
Some College6.89%
Bachelors or Greater1.97%

Buchanan County, Iowa Poverty Rate by Education

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Rate Poverty
Female Unemployed33.33%
Male Unemployed24.66%
Female Employed6.11%
Male Employed3.04%

Buchanan County, Iowa Poverty Rate by Employment Status and Sex

Buchanan County, Iowa Income by Household Type

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Name Median Mean
Households$64,837$84,637
Families$77,695$102,863
Married Families$85,917-
Non Families$27,402$38,315
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Income by Household Type

Buchanan County, Iowa Marital Status

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Marriage Rates

56.7%

Overall Marriage Rate

56.8%

Male Marriage Rate

56.6%

Female Marriage Rate

Buchanan County, Iowa Married by Age and Sex

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Buchanan 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 45-54.

Buchanan County, Iowa Marital Status by Race

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Buchanan County, Iowa Marital Status

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1,338

Number of Veterans

1,262

Male Veterans

76

Female Veterans

War Veterans
Vietnam577
First Gulf War205
Second Gulf War163
Korea110
World War II41

Buchanan County, Iowa Veterans by War

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Age Group Veterans
65 to 74488
75+326
35 to 54248
55 to 64215
18 to 3461

Buchanan County, Iowa Veterans by Age

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Name Veterans % of Total
White1,3368.77%
Hispanic52.26%
Native American22.86%

Buchanan County, Iowa Veterans by Race

Buchanan County, Iowa Veterans by Education

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4.45%

Veteran Poverty Rate

25.77%

Veteran Disability Rate

Buchanan County, Iowa Veterans by Education

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67.1%

Labor Force Participation

65.6%

Employment Rate

2.2%

Unemployment Rate

Buchanan County, Iowa Employment by Age

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Buchanan County, Iowa Employment by Race

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Buchanan County, Iowa Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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87.59%

Born in Buchanan County, Iowa

99.19%

Native Born

0.81%

Foreign Born

0.34%

Non Citizen

0.47%

Naturalized

Place of Birth

99.19% of Buchanan County, Iowa residents were born in the United States, with 87.59% having been born in Iowa. 0.34% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Buchanan County, Iowa Place of Birth

  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990

Sources