Jo Daviess County, Illinois Population 2020

Jo Daviess County, Illinois's estimated population is 21,000 with a growth rate of -0.86% in the past year according to the most recent United States census data. Jo Daviess County, Illinois is the 56th largest county in Illinois.

Year Population Growth Growth Rate
202021,000-183-0.86%
201921,183-183-0.86%
201821,366-183-0.85%
201721,549-293-1.34%
201621,842-235-1.06%
201522,077-261-1.17%
201422,338-58-0.26%
201322,396-144-0.64%
201222,540-95-0.42%
201122,635-13-0.06%
201022,6488273.79%
199021,821-1,699-7.22%
198023,5201,7548.06%
197021,766-55-0.25%
196021,8213621.69%
195021,4591,4707.35%
194019,989-246-1.22%
193020,235-1,682-7.67%
192021,917-740-3.27%
191022,657-1,876-7.65%
190024,533-568-2.26%
189025,101-2,427-8.82%
188027,528-292-1.05%
187027,8204951.81%
186027,3258,72146.88%
185018,60412,424201.04%
18406,1804,069192.75%
18302,1110.00%
2020 Growth Rate
-0.86%
County Website
Founded
1827
County Seat

Jo Daviess County, Illinois Population Growth

Population by Race

Race Population Percentage
White21,21197.15%
Two or More Races2801.28%
Black or African American1100.50%
Asian950.44%
Some Other Race690.32%
American Indian and Alaska Native570.26%
Native Hawaiian and Other Pacific Islander120.05%

Jo Daviess County, Illinois Population Pyramid 2020

Jo Daviess County, Illinois Median Age

49.7


Total

48.6


Male

51.1


Female

Jo Daviess County, Illinois Adults

There are 17,632 adults, (5,765 of whom are seniors) in Jo Daviess County, Illinois.

Jo Daviess County, Illinois Age Dependency

84

Age Dependency Ratio

48.6

Old Age Dependency Ratio

35.4

Child Dependency Ratio

Jo Daviess County, Illinois Sex Ratio

Female

10,878

49.82%

Male

10,956

50.18%

Jo Daviess County, Illinois Households and Families

Jo Daviess County, Illinois Renter vs Owner Occupied by Household Type

Jo Daviess County, Illinois Household Types

Type Owner Renter
Married87.8%12.2%
All78.2%21.8%
Non Family67.9%32.1%
Male64.6%35.4%
Female60.4%39.6%

78.2%

Rate of Home Ownership

Type Count Average Size Owned
All9,7582.2278.2
Married5,3142.7787.8
Non Family3,5351.1967.9
Female6213.0160.4
Male2882.8764.6

2.76

Average Family Size

2.22

Average Household Size

5.9%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Jo Daviess County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade5453.36%
9th to 12th Grade7784.80%
High School Graduate6,01237.06%
Some College3,68522.72%
Associates Degree1,3358.23%
Bachelors Degree2,55815.77%
Graduate Degree1,3098.07%

Jo Daviess County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White15,63114,5443,809
Hispanic34113714
Asian807231
Black74646
Native American51405
Multiple Races444410
Other Race3829
Islander3

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

The highest rate of bachelors degrees is among asian people with a rate of 38.75%.

Name Average Male Female
Overall$34,475$41,675$28,198
Less Than High School$25,674$25,666$25,691
High School Grad$31,942$40,256$25,841
Some College$31,810$41,954$24,121
Bachelors Degree$41,605$49,401$38,684
Graduate Degree$52,824$49,208$62,738

$34,475

Average Earnings

$41,675

Average Male

$28,198

Average Female

Jo Daviess County, Illinois Language

Jo Daviess County, Illinois Language by Age

Jo Daviess County, Illinois Language

96.29% of Jo Daviess County, Illinois residents speak only English, while 3.71% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.32% of the population.

Jo Daviess County, Illinois Poverty

Jo Daviess County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White20,5321,6768.16%
Multiple2786423.02%
Hispanic621396.28%
Black851720.00%
Other661421.21%
Islander12975.00%
Asian9577.37%

8.33%

Overall Poverty Rate

6.54%

Male Poverty Rate

10.13%

Female Poverty Rate

Poverty in Jo Daviess County, Illinois

The race most likely to be in poverty in Jo Daviess County, Illinois is Islander, with 75.00% below the poverty level.

The race least likely to be in poverty in Jo Daviess County, Illinois is Hispanic, with 6.28% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.62%. Among those working part-time, it was 11.57%, and for those that did not work, the poverty rate was 12.51%.

Name Poverty
Less Than High School16.34%
High School8.56%
Some College6.20%
Bachelors or Greater3.08%
Name Poverty
Female Unemployed54.55%
Male Unemployed7.69%
Female Employed5.69%
Male Employed4.07%

Jo Daviess County, Illinois Income

Jo Daviess County, Illinois Income by Household Type

Name Median Mean
Households$57,083$73,074
Families$72,588$89,339
Married Families$79,391-
Non Families$32,004$43,437

Jo Daviess County, Illinois Marital Status

Jo Daviess County, Illinois Marital Status

Marriage Rates

59.3%

Overall Marriage Rate

60.1%

Male Marriage Rate

58.4%

Female Marriage Rate

Jo Daviess County, Illinois Married by Age and Sex

Jo Daviess County, Illinois Marriage

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.

Jo Daviess County, Illinois Marital Status by Race

Jo Daviess County, Illinois Veterans

1,713

Number of Veterans

1,657

Male Veterans

56

Female Veterans

War Veterans
Vietnam862
Korea155
First Gulf War124
Second Gulf War110
World War II43
Age Group Veterans
65 to 74662
75+577
55 to 64218
35 to 54199
18 to 3457
Name Veterans % of Total
White1,6809.74%
2 or More1721.52%
Black1615.69%
Hispanic112.95%

$Jo Daviess County, Illinois Veterans by Education

4.87%

Veteran Poverty Rate

30.18%

Veteran Disability Rate

Jo Daviess County, Illinois Employment Status

61.8%

Labor Force Participation

59%

Employment Rate

4.5%

Unemployment Rate

Jo Daviess County, Illinois Place of Birth

Origin of Non-Citizens

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

47.45%

Born in Illinois

97.63%

Native Born

2.37%

Foreign Born

1.22%

Non Citizen

Place of Birth

97.63% of Jo Daviess County, Illinois residents were born in the United States, with 47.45% having been born in Illinois. 1.22% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

  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