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.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 20,703 | 2 | 0.01% |
| 2028 | 20,701 | 2 | 0.01% |
| 2027 | 20,699 | 2 | 0.01% |
| 2026 | 20,697 | 2 | 0.01% |
| 2025 | 20,695 | 2 | 0.01% |
| 2024 | 20,693 | 2 | 0.01% |
| 2023 | 20,691 | 2 | 0.01% |
| 2022 | 20,689 | -14 | -0.07% |
| 2021 | 20,703 | 98 | 0.48% |
| 2020 | 20,605 | -543 | -2.57% |
| 2019 | 21,148 | 8 | 0.04% |
| 2018 | 21,140 | 7 | 0.03% |
| 2017 | 21,133 | 134 | 0.64% |
| 2016 | 20,999 | -111 | -0.53% |
| 2015 | 21,110 | -25 | -0.12% |
| 2014 | 21,135 | 107 | 0.51% |
| 2013 | 21,028 | 33 | 0.16% |
| 2012 | 20,995 | 84 | 0.4% |
| 2011 | 20,911 | -64 | -0.31% |
| 2010 | 20,975 | 0 | 0% |
| 1990 | 20,844 | -2,056 | -8.98% |
| 1980 | 22,900 | 1,154 | 5.31% |
| 1970 | 21,746 | -547 | -2.45% |
| 1960 | 22,293 | 366 | 1.67% |
| 1950 | 21,927 | 936 | 4.46% |
| 1940 | 20,991 | 1,441 | 7.37% |
| 1930 | 19,550 | -340 | -1.71% |
| 1920 | 19,890 | 142 | 0.72% |
| 1910 | 19,748 | -1,679 | -7.84% |
| 1900 | 21,427 | 2,430 | 12.79% |
| 1890 | 18,997 | 451 | 2.43% |
| 1880 | 18,546 | 1,512 | 8.88% |
| 1870 | 17,034 | 9,128 | 115.46% |
| 1860 | 7,906 | 7,389 | 1429.21% |
| 1850 | 517 | -20,186 | -97.5% |
White
Two or more races
Black or African American
Native American
Native Hawaiian or Pacific Islander
Other race
Asian
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 8,020 | 2.55 | 80.6 | 19.4 |
| Married | 4,461 | 3.16 | 92.9 | 7.1 |
| Non Family | 2,524 | 1.19 | 64.6 | 35.4 |
| Female | 690 | 3.27 | 63.8 | 36.2 |
| Male | 345 | 3.08 | 73.3 | 26.7 |
3.08
Average Family Size
2.55
Average Household Size
80.6%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
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 49.53%.
All
Male
Female
$43,503
Average Earnings
$52,555
Average Male
$36,793
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
95.19% of Buchanan County, Iowa residents speak only English, while 4.81% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 3.11% of the population.
rate
8.63%
Overall Poverty Rate
7.08%
Male Poverty Rate
10.19%
Female Poverty Rate
The race most likely to be in poverty in Buchanan County, Iowa is Asian, with 50% below the poverty level.
The race least likely to be in poverty in Buchanan County, Iowa is Hispanic, with 5.82% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.38%. Among those working part-time, it was 10.65%, and for those that did not work, the poverty rate was 15.6%.
Married
Widowed
Divorced
Separated
NeverMarried
56.6%
Overall Marriage Rate
56.6%
Male Marriage Rate
56.5%
Female Marriage Rate
male
female
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.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
3.66%
Veteran Poverty Rate
33.69%
Veteran Disability Rate
LaborForceParticipation
67.2%
Labor Force Participation
65.1%
Employment Rate
3%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
86.07%
Born in Buchanan County, Iowa
98.45%
Native Born
1.55%
Foreign Born
1.15%
Non Citizen
0.4%
Naturalized
98.45% of Buchanan County, Iowa residents were born in the United States, with 86.07% having been born in Iowa. 1.15% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Africa.