Washington County, Illinois Population 2020

Washington County, Illinois's estimated population is 13,951 with a growth rate of -1.60% in the past year according to the most recent United States census data. Washington County, Illinois is the 76th largest county in Illinois.

Year Population Growth Growth Rate
201813,995440.32%
201713,951-227-1.60%
201614,178-84-0.59%
201514,262-129-0.90%
201414,391-22-0.15%
201314,413-185-1.27%
201214,598240.16%
201114,574-138-0.94%
201014,712-253-1.69%
199014,965-507-3.28%
198015,4721,69212.28%
197013,7802111.56%
196013,569-891-6.16%
195014,460-1,341-8.49%
194015,801-485-2.98%
193016,286-1,749-9.70%
192018,035-724-3.86%
191018,759-767-3.93%
190019,5262641.37%
189019,262-1,850-8.76%
188021,1123,51319.96%
187017,5993,86828.17%
186013,7316,77897.48%
18506,9532,14344.55%
18404,8103,135187.16%
18301,67515810.42%
18201,5170.00%

How Many People Live in Washington County, Illinois?

13,951

Population by Race

Race Population Percentage
White13,68396.67%
Two or More Races1951.38%
Black or African American1170.83%
Some Other Race1000.71%
Asian340.24%
American Indian and Alaska Native180.13%
Native Hawaiian and Other Pacific Islander80.06%

Washington County, Illinois Population Pyramid 2020

Washington County, Illinois Median Age

43.4


Total

42.3


Male

44.5


Female

Washington County, Illinois Adults

There are 11,096 adults, (2,731 of whom are seniors) in Washington County, Illinois.

Washington County, Illinois Age Dependency

69.2

Age Dependency Ratio

32.6

Old Age Dependency Ratio

36.6

Child Dependency Ratio

Washington County, Illinois Sex Ratio

Female

7,047

49.78%

Male

7,108

50.22%

Washington County, Illinois Households and Families

Washington County, Illinois Renter vs Owner Occupied by Household Type

Washington County, Illinois Household Types

Type Owner Renter
Married91.7%8.3%
All78.7%21.3%
Male67.4%32.6%
Female62.6%37.4%
Non Family61.6%38.4%

78.7%

Rate of Home Ownership

Type Count Average Size Owned
All5,9752.3378.7
Married3,3272.8791.7
Non Family1,9371.1561.6
Female4783.0762.6
Male2332.8267.4

2.83

Average Family Size

2.33

Average Household Size

5.8%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Washington County, Illinois Education

Education Attained Count Percentage
Less Than 9th Grade3183.14%
9th to 12th Grade4824.75%
High School Graduate3,41133.63%
Some College2,49624.61%
Associates Degree1,34513.26%
Bachelors Degree1,38513.65%
Graduate Degree7066.96%

Washington County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White9,8889,1552,043
Hispanic1149212
Black725229
Other Race56343
Multiple Races47474
Asian3213
Native American6
Islander333

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 100.00%.

Name Average Male Female
Overall$39,895$47,677$31,334
Less Than High School$32,350$36,958$14,091
High School Grad$35,948$42,644$24,028
Some College$38,030$46,526$31,250
Bachelors Degree$45,357$54,268$36,954
Graduate Degree$49,894$55,000$44,583

$39,895

Average Earnings

$47,677

Average Male

$31,334

Average Female

Washington County, Illinois Language

Washington County, Illinois Language by Age

Washington County, Illinois Language

98.28% of Washington County, Illinois residents speak only English, while 1.72% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.92% of the population.

Washington County, Illinois Poverty

Washington County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White13,4499837.31%
Hispanic1878847.06%
Other1008484.00%
Multiple1823217.58%
Native1818100.00%
Black711622.54%
Asian3425.88%

8.18%

Overall Poverty Rate

6.29%

Male Poverty Rate

10.08%

Female Poverty Rate

Poverty in Washington County, Illinois

The race most likely to be in poverty in Washington County, Illinois is Native, with 100.00% below the poverty level.

The race least likely to be in poverty in Washington County, Illinois is Asian, with 5.88% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.28%. Among those working part-time, it was 11.55%, and for those that did not work, the poverty rate was 16.01%.

Name Poverty
Less Than High School18.13%
High School9.64%
Some College5.25%
Bachelors or Greater3.88%

Washington County, Illinois Income

Washington County, Illinois Income by Household Type

Name Median Mean
Households$59,469$75,730
Families$75,338$89,454
Married Families$82,204-
Non Families$31,741$44,146

Washington County, Illinois Marital Status

Washington County, Illinois Marital Status

Marriage Rates

58.4%

Overall Marriage Rate

59.7%

Male Marriage Rate

57.1%

Female Marriage Rate

Washington County, Illinois Married by Age and Sex

Washington 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 55-64.

Washington County, Illinois Marital Status by Race

Washington County, Illinois Veterans

1,057

Number of Veterans

998

Male Veterans

59

Female Veterans

War Veterans
Vietnam408
First Gulf War238
Second Gulf War171
Korea80
World War II30

Washington County, Illinois Veterans by Race

Name Veterans % of Total
White1,0559.71%
Hispanic32.59%
Other23.57%

Washington County, Illinois Veterans by Education

4.52%

Veteran Poverty Rate

30.77%

Veteran Disability Rate

Washington County, Illinois Employment Status

65.2%

Labor Force Participation

62.4%

Employment Rate

4.2%

Unemployment Rate

Washington 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

79.79%

Born in Illinois

99.18%

Native Born

0.82%

Foreign Born

0.32%

Non Citizen

Place of Birth

99.18% of Washington County, Illinois residents were born in the United States, with 79.79% having been born in Illinois. 0.32% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Population of Cities in Washington County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Centralia 1303412572-462-3.54%
Nashville32583109-149-4.57%
Okawville14341389-45-3.14%
Wamac 11851132-53-4.47%
Irvington665629-36-5.41%
Hoyleton531504-27-5.08%
Ashley536501-35-6.53%
Addieville252241-11-4.37%
Richview253238-15-5.93%
Oakdale221211-10-4.52%
Radom220210-10-4.55%
New Minden215205-10-4.65%
Du Bois205198-7-3.41%
Venedy138132-6-4.35%
  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