Jefferson County, Iowa Population 2018

Jefferson County, Iowa's estimated population is 18,422 with a growth rate of 4.30% in the past year according to the most recent United States census data. Jefferson County, Iowa is the 38th largest county in Iowa.

Year Population Growth Growth Rate
201718,4227604.30%
201617,662-510-2.81%
201618,1722451.37%
201517,9272341.32%
201417,6931841.05%
201317,5092941.71%
201217,2152011.18%
201117,0141851.10%
201016,8295193.18%
199016,310-6-0.04%
198016,3165423.44%
197015,774-44-0.28%
196015,8181220.78%
195015,696-66-0.42%
194015,762-479-2.95%
193016,241-199-1.21%
192016,4404893.07%
191015,951-1,486-8.52%
190017,4372,25314.84%
189015,184-2,285-13.08%
188017,469-370-2.07%
187017,8392,80118.63%
186015,0385,13451.84%
18509,9047,131257.16%
18402,7730.00%

Jefferson County, Iowa Population Growth

Population Data via

Population by Race

Race Population
White14,839
Black or African American1,011
Asian825
Two or More Races562
Some Other Race423
American Indian and Alaska Native2

Race Data via US Census (2016 ACS 5-Year Survey)

Jefferson County, Iowa Population Pyramid 2018

0%2%4%6%8%10%12% Male Population0%2%4%6%8%10%12% Female Population80757065605550454035302520151050

Data via US Census (2016 ACS 5-Year Survey): Table S0101

Jefferson County, Iowa Median Age

41.1


Total

36.4


Male

45.4


Female

Jefferson County, Iowa Adults

There are 14,218 adults, (3,197 of which are seniors) in Jefferson County, Iowa.

Jefferson County, Iowa Age Dependency

60.3

Age Dependency Ratio

29

Old Age Dependency Ratio

31.3

Child Dependency Ratio

Jefferson County, Iowa Sex Ratio

Female

8,267

46.81%

Male

9,395

53.19%

Jefferson County, Iowa Households and Families

Jefferson County, Iowa Renter vs Owner Occupied by Household Type

Jefferson County, Iowa Household Types

Type Owner Renter
Married83.2%16.8%
All66.3%33.7%
Male59.7%40.3%
Female52.9%47.1%
Non Family48.8%51.2%

66.3%

Rate of Home Ownership

Jefferson County, Iowa Households by Type

Type Count Average Size Owned
All6,8962.3466.3
Married3,3462.8783.2
Non Family2,7381.2348.8
Female4354.9452.9
Male3772.6259.7

2.9

Average Family Size

2.34

Average Household Size

5.1%

Unmarried (Opposite Sex)

0%

Unmarried (Same Sex)

Jefferson County, Iowa Households

Jefferson County, Iowa Education

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

Education Attained Count Percentage
Less Than 9th Grade1691.36%
9th to 12th Grade4613.71%
High School Graduate3,61429.07%
Some College2,70921.79%
Associates Degree1,36310.96%
Bachelors Degree2,30618.55%
Graduate Degree1,81114.57%

Jefferson County, Iowa Educational Attainment by Race

Name Total High School Bachelors
White10,81710,1973,344
Black563561306
Asian360353183
Multiple Races26526577
Hispanic24324295
Other Race198197113
Native American22

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

The highest rate of bachelors degrees is among native american people with a rate of 57.07%.

Jefferson County, Iowa Earnings by Educational Attainment

Name Average Male Female
Overall$29,534$35,985$20,879
Less Than High School$12,361$$
High School Grad$28,883$36,283$19,831
Some College$29,979$35,588$26,413
Bachelors Degree$24,034$36,023$17,419
Graduate Degree$33,393$46,563$15,417

$29,534

Average Earnings

$35,985

Average Male

$20,879

Average Female

Jefferson County, Iowa Language

Jefferson County, Iowa Language by Age

Jefferson County, Iowa Language

88.10% of Jefferson County, Iowa residents speak only English, while 11.90% speak other languages. The largest non-English language is OtherIndoEuro, which is spoken by 6.44% of the population.

Jefferson County, Iowa Poverty

Jefferson County, Iowa Poverty by Race

Name Total In Poverty Poverty Rate
White13,8191,58811.49%
Black89347753.42%
Asian33721664.09%
Hispanic44118642.18%
Other383797.37%

15.58%

Overall Poverty Rate

17.98%

Male Poverty Rate

13.04%

Female Poverty Rate

Poverty in Jefferson County, Iowa

The race most likely to be in poverty in Jefferson County, Iowa is Other, with 97.37% below the poverty level.

The race least likely to be in poverty in Jefferson County, Iowa is White, with 11.49% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.40%. Among those working part-time, it was 18.89%, and for those that did not work, the poverty rate was 21.72%.

Jefferson County, Iowa Poverty Rate by Education

Name Poverty
Less Than High School19.12%
Some College10.73%
High School9.73%
Bachelors or Greater8.76%

Jefferson County, Iowa Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed38.60%
Male Unemployed36.09%
Female Employed10.08%
Male Employed8.12%

Jefferson County, Iowa Income

Jefferson County, Iowa Income by Household Type

Name Median Mean
Households$45,257$61,245
Families$57,193$74,798
Married Families$63,574$
Non Families$22,454$38,416

Jefferson County, Iowa Marital Status

Jefferson County, Iowa Marital Status

Marriage Rates

48.1%

Overall Marriage Rate

44.8%

Male Marriage Rate

52.0%

Female Marriage Rate

Jefferson County, Iowa Married by Age and Sex

Jefferson County, Iowa Marriage

The age group where males are most likely to be married is Over65, while the female age group most likely to be married is 45To54.

Jefferson County, Iowa Marital Status by Race

Jefferson County, Iowa Veterans

Jefferson County, Iowa Veterans by War

1,098

Number of Veterans

1,074

Male Veterans

24

Female Veterans

Name Veterans
Vietnam534
Second Gulf War152
First Gulf War137
World War II77
Korea47

Jefferson County, Iowa Veterans by Age

Name Veterans
65 to 74431
75+244
35 to 54203
55 to 64155
18 to 3465

Jefferson County, Iowa Veterans by Race

Name Veterans % of Total
White1,0879.02%
Asian101.24%
2 or More10.27%

Jefferson County, Iowa Veterans by Education

6.22%

Veteran Poverty Rate

31.29%

Veteran Disability Rate

Jefferson County, Iowa Employment Status

Jefferson County, Iowa Employment by Age

58.8%

Labor Force Participation

54.9%

Employment Rate

6.6%

Unemployment Rate

Jefferson County, Iowa Employment by Race

Jefferson County, Iowa Employment by Education

Population of Cities in Jefferson County, Iowa

City 2010 Census 2016 Estimated Growth Growth Rate
Fairfield9466102067407.82%
Maharishi Vedic City12941310161.24%
Batavia499535367.21%
Libertyville315343288.89%
Lockridge268292248.96%
Packwood204222188.82%
Pleasant Plain9310299.68%
Coppock 474700.00%
Data Sources
  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