Johnson County, Iowa's estimated population is 152,913 with a growth rate of 0.39% in the past year according to the most recent United States census data. Johnson County, Iowa is the 5th largest county in Iowa. The 2010 Population was 131,337 and has seen a growth of 16.43% since this time.
Year | Population | Growth | Annual Growth Rate |
---|---|---|---|
1840 | 1,491 | 0.00% | |
1850 | 4,472 | 2,981 | 199.93% |
1860 | 17,573 | 13,101 | 292.96% |
1870 | 24,898 | 7,325 | 41.68% |
1880 | 25,429 | 531 | 2.13% |
1890 | 23,082 | -2,347 | -9.23% |
1900 | 24,817 | 1,735 | 7.52% |
1910 | 25,914 | 1,097 | 4.42% |
1920 | 26,462 | 548 | 2.11% |
1930 | 30,276 | 3,814 | 14.41% |
1940 | 33,191 | 2,915 | 9.63% |
1950 | 45,756 | 12,565 | 37.86% |
1960 | 53,663 | 7,907 | 17.28% |
1970 | 72,127 | 18,464 | 34.41% |
1980 | 81,717 | 9,590 | 13.30% |
1990 | 96,119 | 14,402 | 17.62% |
2010 | 131,337 | 35,218 | 36.64% |
2011 | 134,086 | 2,749 | 2.09% |
2012 | 137,103 | 3,017 | 2.25% |
2013 | 140,151 | 3,048 | 2.22% |
2014 | 142,730 | 2,579 | 1.84% |
2015 | 144,943 | 2,213 | 1.55% |
2016 | 146,928 | 1,985 | 1.37% |
2017 | 149,325 | 2,397 | 1.63% |
2018 | 150,549 | 1,224 | 0.82% |
2019 | 151,140 | 591 | 0.39% |
2020 | 151,731 | 591 | 0.39% |
2021 | 152,322 | 591 | 0.39% |
2022 | 152,913 | 591 | 0.39% |
Race | Population | Percentage |
---|---|---|
White | 121,694 | 80.69% |
Black or African American | 11,509 | 7.63% |
American Indian and Alaska Native | 271 | 0.18% |
Asian | 9,346 | 6.20% |
Native Hawaiian and Other Pacific Islander | 74 | 0.05% |
Some Other Race | 2,510 | 1.66% |
Two or More Races | 5,415 | 3.59% |
Type | Count | Average Size | Owned |
---|---|---|---|
All | 60,430 | 2.37 | 58.6 |
Married | 26,945 | 3.03 | 83.1 |
Male | 1,454 | 3.22 | 66 |
Female | 4,301 | 2.98 | 52.6 |
Non Family | 27,730 | 1.59 | 35.4 |
2.97
Average Family Size
2.37
Average Household Size
Education Attained | Count | Percentage |
---|---|---|
Less Than 9th Grade | 1,782 | 2.00% |
9th to 12th Grade | 2,031 | 2.27% |
High School Graduate | 14,100 | 15.79% |
Some College | 15,346 | 17.19% |
Associates Degree | 7,539 | 8.44% |
Bachelors Degree | 25,952 | 29.06% |
Graduate Degree | 22,542 | 25.25% |
Race | Total | High School | Bachelors |
---|---|---|---|
Asian | 5,002 | 4,902 | 3,866 |
White | 72,423 | 70,460 | 40,819 |
2+ Races | 2,217 | 2,079 | 1,227 |
Native American | 186 | 177 | 98 |
Hispanic | 4,223 | 3,221 | 1,404 |
Other Race | 1,442 | 834 | 406 |
Black | 5,692 | 5,098 | 1,287 |
Islander | 57 | 50 |
The highest rate of high school graduation is among asian people with a rate of 98.00%.
The highest rate of bachelors degrees is among asian people with a rate of 77.29%.
$46,081
Average Earnings
$51,473
Average Male
$40,196
Average Female
84.60% of Johnson County, Iowa residents speak only English, while 15.40% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 4.23% of the population.
Name | Total | In Poverty | Poverty Rate |
---|---|---|---|
Islander | 74 | 50 | 67.57% |
Asian | 9,105 | 2,764 | 30.36% |
Black | 10,851 | 2,918 | 26.89% |
Hispanic | 8,048 | 1,440 | 17.89% |
White | 110,913 | 16,776 | 15.13% |
Other | 371 | NaN% | |
Multiple | 5,167 | 762 | 14.75% |
17.20%
Overall Poverty Rate
16.91%
Male Poverty Rate
17.49%
Female Poverty Rate
The race most likely to be in poverty in Johnson County, Iowa is Islander, with 67.57% below the poverty level.
The race least likely to be in poverty in Johnson County, Iowa is Multiple, with 14.75% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.82%. Among those working part-time, it was 35.05%, and for those that did not work, the poverty rate was 27.02%.
45.1%
Overall Marriage Rate
45.8%
Male Marriage Rate
44.5%
Female Marriage Rate
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 35-44.
Name | Veterans | % of Total |
---|---|---|
White | 4,778 | 4.78% |
Black | 113 | 1.45% |
Native American | 10 | 4.48% |
Asian | 51 | 0.66% |
Islander | 7 | 12.28% |
2+ Races | 47 | 1.59% |
Hispanic | 154 | 2.56% |
8.90%
Veteran Poverty Rate
18.35%
Veteran Disability Rate
70.1%
Labor Force Participation
67.4%
Employment Rate
3.7%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
56.00%
Born in Johnson County, Iowa
88.44%
Native Born
11.56%
Foreign Born
7.98%
Non Citizen
3.58%
Naturalized
88.44% of Johnson County, Iowa residents were born in the United States, with 56.00% having been born in Iowa. 7.98% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.