Jefferson County, Missouri Population 2018

Jefferson County, Missouri's estimated population is 223,810 with a growth rate of 0.61% in the past year according to the most recent United States census data. Jefferson County, Missouri is the 7th largest county in Missouri.

Year Population Growth Growth Rate
2017223,8101,3570.61%
2016222,453-960-0.43%
2016223,4133070.14%
2015223,1061,0980.49%
2014222,0081,1490.52%
2013220,8591,0370.47%
2012219,8222820.13%
2011219,5404110.19%
2010219,12947,74927.86%
1990171,38025,19717.24%
1980146,18340,93538.89%
1970105,24838,87158.56%
196066,37728,37074.64%
195038,0075,98418.69%
194032,0234,46016.18%
193027,5631,0083.80%
192026,555-1,323-4.75%
191027,8782,1668.42%
190025,7123,22814.36%
189022,4843,74820.00%
188018,7363,35621.82%
187015,3805,03648.69%
186010,3443,41649.31%
18506,9282,63261.27%
18404,2961,70465.74%
18302,59275741.25%
18201,8350.00%

Jefferson County, Missouri Population Growth

Population Data via

Population by Race

Race Population
White214,052
Two or More Races3,375
Black or African American2,190
Asian1,647
Some Other Race600
American Indian and Alaska Native552
Native Hawaiian and Other Pacific Islander37

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

Jefferson County, Missouri Population Pyramid 2018

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

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

Jefferson County, Missouri Median Age

38.8


Total

37.8


Male

39.9


Female

Jefferson County, Missouri Adults

There are 169,064 adults, (29,586 of which are seniors) in Jefferson County, Missouri.

Jefferson County, Missouri Age Dependency

59.6

Age Dependency Ratio

21.2

Old Age Dependency Ratio

38.4

Child Dependency Ratio

Jefferson County, Missouri Sex Ratio

Female

111,853

50.28%

Male

110,600

49.72%

Jefferson County, Missouri Households and Families

Jefferson County, Missouri Renter vs Owner Occupied by Household Type

Jefferson County, Missouri Household Types

Type Owner Renter
Married90.5%9.5%
All80.4%19.6%
Non Family69.6%30.4%
Male67%33%
Female61.8%38.2%

80.4%

Rate of Home Ownership

Jefferson County, Missouri Households by Type

Type Count Average Size Owned
All82,3082.6880.4
Married46,6883.1790.5
Non Family21,5241.2669.6
Female9,2733.261.8
Male4,8233.2167

3.07

Average Family Size

2.68

Average Household Size

5.5%

Unmarried (Opposite Sex)

0.3%

Unmarried (Same Sex)

Jefferson County, Missouri Households

Jefferson County, Missouri Education

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

Education Attained Count Percentage
Less Than 9th Grade4,8983.24%
9th to 12th Grade14,0689.30%
High School Graduate49,97533.05%
Some College37,68824.93%
Associates Degree16,70711.05%
Bachelors Degree18,76912.41%
Graduate Degree9,1006.02%

Jefferson County, Missouri Educational Attainment by Race

Name Total High School Bachelors
White145,111127,11226,747
Hispanic2,0661,543215
Multiple Races1,4691,254163
Black1,215997150
Asian1,059940467
Native American394367114
Other Race26423523
Islander77

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

The highest rate of bachelors degrees is among islander people with a rate of 44.10%.

Jefferson County, Missouri Earnings by Educational Attainment

Name Average Male Female
Overall$36,206$43,087$29,591
Less Than High School$24,021$30,994$15,992
High School Grad$30,646$37,100$24,716
Some College$36,266$46,828$27,822
Bachelors Degree$51,574$62,800$43,828
Graduate Degree$54,707$68,807$51,365

$36,206

Average Earnings

$43,087

Average Male

$29,591

Average Female

Jefferson County, Missouri Language

Jefferson County, Missouri Language by Age

Jefferson County, Missouri Language

97.35% of Jefferson County, Missouri residents speak only English, while 2.65% speak other languages. The largest non-English language is OtherIndoEuro, which is spoken by 1.06% of the population.

Jefferson County, Missouri Poverty

Jefferson County, Missouri Poverty by Race

Name Total In Poverty Poverty Rate
White208,60821,92810.51%
Multiple3,36673621.87%
Black2,08772834.88%
Hispanic3,92366717.00%
Other58115827.19%
Islander372670.27%
Native545224.04%
Asian1,579191.20%

10.95%

Overall Poverty Rate

10.05%

Male Poverty Rate

11.84%

Female Poverty Rate

Poverty in Jefferson County, Missouri

The race most likely to be in poverty in Jefferson County, Missouri is Islander, with 70.27% below the poverty level.

The race least likely to be in poverty in Jefferson County, Missouri is Asian, with 1.20% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.75%. Among those working part-time, it was 15.03%, and for those that did not work, the poverty rate was 17.69%.

Jefferson County, Missouri Poverty Rate by Education

Name Poverty
Less Than High School21.25%
High School10.45%
Some College7.38%
Bachelors or Greater2.44%

Jefferson County, Missouri Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed38.57%
Male Unemployed22.67%
Female Employed6.13%
Male Employed4.03%

Jefferson County, Missouri Income

Jefferson County, Missouri Income by Household Type

Name Median Mean
Households$58,232$68,797
Families$66,571$76,562
Married Families$75,803$86,439
Non Families$31,918$41,710

Jefferson County, Missouri Marital Status

Jefferson County, Missouri Marital Status

Marriage Rates

55.2%

Overall Marriage Rate

56.4%

Male Marriage Rate

53.9%

Female Marriage Rate

Jefferson County, Missouri Married by Age and Sex

Jefferson County, Missouri 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 35To44.

Jefferson County, Missouri Marital Status by Race

Jefferson County, Missouri Veterans

Jefferson County, Missouri Veterans by War

16,932

Number of Veterans

15,869

Male Veterans

1,063

Female Veterans

Name Veterans
Vietnam6,832
First Gulf War2,591
Second Gulf War2,123
Korea1,148
World War II555

Jefferson County, Missouri Veterans by Age

Name Veterans
65 to 744,881
35 to 544,020
55 to 643,851
75+2,922
18 to 341,258

Jefferson County, Missouri Veterans by Race

Name Veterans % of Total
White16,3209.97%
2 or More27915.12%
Indian16439.61%
Hispanic1596.35%
Black1117.78%
Other309.06%
Asian282.35%

Jefferson County, Missouri Veterans by Education

7.76%

Veteran Poverty Rate

30.17%

Veteran Disability Rate

Jefferson County, Missouri Employment Status

Jefferson County, Missouri Employment by Age

66.8%

Labor Force Participation

61.8%

Employment Rate

7.4%

Unemployment Rate

Jefferson County, Missouri Employment by Race

Jefferson County, Missouri Employment by Education

Population of Cities in Jefferson County, Missouri

City 2010 Census 2016 Estimated Growth Growth Rate
Arnold20808213195112.46%
Festus11602121045024.33%
De Soto64006477771.20%
Pevely548457122284.16%
Crystal City48554823-32-0.66%
Herculaneum3468396549714.33%
Hillsboro2834313129710.48%
Byrnes Mill278129291485.32%
Olympian Village774760-14-1.81%
Lake Tekakwitha25425731.18%
Cedar Hill Lakes23723810.42%
Scotsdale22222310.45%
Parkdale17017110.59%
Kimmswick15715810.64%
Peaceful Village9900.00%
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