Jefferson County, Iowa Population 2018

Jefferson County, Iowa's estimated population is 18,422 with a growth rate of 1.38% 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
201717,945-477-2.59%
201718,4222501.38%
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
White14,939
Black or African American1,052
Asian930
Two or More Races665
Some Other Race358
American Indian and Alaska Native1

Data via US Census (2017 ACS 5-Year Survey): Table B03002

Jefferson County, Iowa Population Pyramid 2018

2004006008001,000 Male Population2004006008001,000 Female Population80757065605550454035302520151050

Data via US Census (2017 ACS 5-Year Survey): Table S0101

Jefferson County, Iowa Median Age

40.9


Total

36.3


Male

44.9


Female

Jefferson County, Iowa Adults

There are 14,482 adults, (3,425 of whom are seniors) in Jefferson County, Iowa.

Jefferson County, Iowa Age Dependency

62.3

Age Dependency Ratio

31

Old Age Dependency Ratio

31.3

Child Dependency Ratio

Jefferson County, Iowa Sex Ratio

Female

8,434

47.00%

Male

9,511

53.00%

Jefferson County, Iowa Households and Families

Jefferson County, Iowa Renter vs Owner Occupied by Household Type

Data via US Census (2017 ACS 5-Year Survey): Table S1101

Jefferson County, Iowa Household Types

Type Owner Renter
Married83.9%16.1%
All67.3%32.7%
Male53.7%46.3%
Female53.5%46.5%
Non Family50.7%49.3%

67.3%

Rate of Home Ownership

Jefferson County, Iowa Households by Type

Type Count Average Size Owned
All6,8722.467.3
Married3,3762.9183.9
Non Family2,7831.2550.7
Female4195.3653.5
Male2943.1153.7

3

Average Family Size

2.4

Average Household Size

4.6%

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 Grade1471.17%
9th to 12th Grade5084.03%
High School Graduate3,57628.40%
Some College2,68921.36%
Associates Degree1,46411.63%
Bachelors Degree2,43419.33%
Graduate Degree1,77314.08%

Jefferson County, Iowa Educational Attainment by Race

Name Total High School Bachelors
White10,87910,2563,491
Black539539209
Asian434427285
Multiple Races2792799
Hispanic26123673
Other Race234233163
Native American11

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

The highest rate of bachelors degrees is among black people with a rate of 69.66%.

Jefferson County, Iowa Earnings by Educational Attainment

Name Average Male Female
Overall$28,432$34,081$21,824
Less Than High School$10,515$9,464$11,510
High School Grad$30,057$32,837$21,838
Some College$30,134$35,471$25,974
Bachelors Degree$25,792$37,972$17,222
Graduate Degree$31,429$34,766$21,250

$28,432

Average Earnings

$34,081

Average Male

$21,824

Average Female

Jefferson County, Iowa Language

Jefferson County, Iowa Language by Age

Jefferson County, Iowa Language

88.93% of Jefferson County, Iowa residents speak only English, while 11.07% speak other languages. The largest non-English language is OtherIndoEuro, which is spoken by 5.69% of the population.

Jefferson County, Iowa Poverty

Jefferson County, Iowa Poverty by Race

Name Total In Poverty Poverty Rate
White13,9591,45810.44%
Black96158861.19%
Asian50226853.39%
Hispanic40315538.46%
Other583865.52%
Multiple655152.29%

15.19%

Overall Poverty Rate

17.20%

Male Poverty Rate

13.06%

Female Poverty Rate

Poverty in Jefferson County, Iowa

The race most likely to be in poverty in Jefferson County, Iowa is Other, with 65.52% below the poverty level.

The race least likely to be in poverty in Jefferson County, Iowa is Multiple, with 2.29% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 2.12%. Among those working part-time, it was 16.00%, and for those that did not work, the poverty rate was 25.42%.

Jefferson County, Iowa Poverty Rate by Education

Name Poverty
Less Than High School18.89%
Bachelors or Greater12.84%
Some College9.31%
High School9.00%

Jefferson County, Iowa Poverty Rate by Employment Status and Sex

Name Poverty
Male Unemployed35.86%
Female Unemployed34.31%
Female Employed7.65%
Male Employed7.56%

Jefferson County, Iowa Income

Jefferson County, Iowa Income by Household Type

Name Median Mean
Households$44,516$64,723
Families$62,355$82,591
Married Families$66,836$
Non Families$22,572$37,164

Jefferson County, Iowa Marital Status

Jefferson County, Iowa Marital Status

Marriage Rates

48.2%

Overall Marriage Rate

45.4%

Male Marriage Rate

51.5%

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 45To54, while the female age group most likely to be married is 45To54.

Jefferson County, Iowa Marital Status by Race


Data via US Census (2017 ACS 5-Year Survey): Table S1201

Jefferson County, Iowa Veterans

Jefferson County, Iowa Veterans by War

1,075

Number of Veterans

1,032

Male Veterans

43

Female Veterans

Name Veterans
Vietnam527
Second Gulf War179
First Gulf War106
World War II45
Korea38

Jefferson County, Iowa Veterans by Age

Name Veterans
65 to 74458
35 to 54226
75+225
55 to 6497
18 to 3469

Jefferson County, Iowa Veterans by Race

Name Veterans % of Total
White1,0418.52%
Black234.17%
Asian101.10%
Hispanic72.46%
2 or More10.22%

Jefferson County, Iowa Veterans by Education

2.46%

Veteran Poverty Rate

29.17%

Veteran Disability Rate

Jefferson County, Iowa Employment Status

Jefferson County, Iowa Employment by Age

59.9%

Labor Force Participation

55.9%

Employment Rate

6.7%

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