Stephenson County, Illinois Population 2018

Stephenson County, Illinois's estimated population is 45,054 with a growth rate of -1.07% in the past year according to the most recent United States census data. Stephenson County, Illinois is the 33rd largest county in Illinois.

Year Population Growth Growth Rate
201745,8397851.74%
201745,054-486-1.07%
201645,540-130-0.28%
201545,670-594-1.28%
201446,264-403-0.86%
201346,667-217-0.46%
201246,884-432-0.91%
201147,316-290-0.61%
201047,606-446-0.93%
199048,052-1,484-3.00%
198049,5366751.38%
197048,8612,6545.74%
196046,2074,61211.09%
195041,5959492.33%
194040,6465821.45%
193040,0642,3216.15%
192037,7439222.50%
191036,8211,8885.40%
190034,9333,59511.47%
189031,338-625-1.96%
188031,9631,3554.43%
187030,6085,49621.89%
186025,11213,446115.26%
185011,6668,866316.64%
18402,8000.00%

Stephenson County, Illinois Population Growth

Population Data via

Population by Race

Race Population
White39,361
Black or African American4,371
Two or More Races1,423
Asian354
Some Other Race268
American Indian and Alaska Native62

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

Stephenson County, Illinois Population Pyramid 2018

5001,0001,5002,000 Male Population5001,0001,5002,000 Female Population80757065605550454035302520151050

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

Stephenson County, Illinois Median Age

44.7


Total

43.7


Male

45.9


Female

Stephenson County, Illinois Adults

There are 35,866 adults, (9,549 of whom are seniors) in Stephenson County, Illinois.

Stephenson County, Illinois Age Dependency

74.2

Age Dependency Ratio

36.3

Old Age Dependency Ratio

37.9

Child Dependency Ratio

Stephenson County, Illinois Sex Ratio

Female

23,656

51.61%

Male

22,183

48.39%

Stephenson County, Illinois Households and Families

Stephenson County, Illinois Renter vs Owner Occupied by Household Type

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

Stephenson County, Illinois Household Types

Type Owner Renter
Married89.1%10.9%
All69.1%30.9%
Male58.9%41.1%
Non Family53.3%46.7%
Female39.2%60.8%

69.1%

Rate of Home Ownership

Stephenson County, Illinois Households by Type

Type Count Average Size Owned
All19,6042.369.1
Married9,3942.8289.1
Non Family6,9701.1753.3
Female2,3343.239.2
Male9063.2458.9

2.82

Average Family Size

2.3

Average Household Size

7.3%

Unmarried (Opposite Sex)

0.1%

Unmarried (Same Sex)

Stephenson County, Illinois Households

Stephenson County, Illinois Education

Stephenson County, Illinois Educational Attainment by Sex (over 25)

Education Attained Count Percentage
Less Than 9th Grade8032.49%
9th to 12th Grade1,9596.08%
High School Graduate11,48735.64%
Some College8,52926.46%
Associates Degree3,42410.62%
Bachelors Degree3,90912.13%
Graduate Degree2,1236.59%

Stephenson County, Illinois Educational Attainment by Race

Name Total High School Bachelors
White28,47026,4745,585
Black2,5201,987185
Hispanic73857579
Multiple Races40336939
Asian201182135
Other Race1548226
Native American3529

The highest rate of high school graduation is among white people with a rate of 92.99%.

The highest rate of bachelors degrees is among white people with a rate of 67.16%.

Stephenson County, Illinois Earnings by Educational Attainment

Name Average Male Female
Overall$30,958$39,105$25,750
Less Than High School$18,949$21,596$16,621
High School Grad$27,351$34,716$20,846
Some College$30,210$40,863$25,069
Bachelors Degree$42,244$51,714$36,383
Graduate Degree$59,976$70,464$53,750

$30,958

Average Earnings

$39,105

Average Male

$25,750

Average Female

Stephenson County, Illinois Language

Stephenson County, Illinois Language by Age

Stephenson County, Illinois Language

96.83% of Stephenson County, Illinois residents speak only English, while 3.17% speak other languages. The largest non-English language is Spanish, which is spoken by 2.07% of the population.

Stephenson County, Illinois Poverty

Stephenson County, Illinois Poverty by Race

Name Total In Poverty Poverty Rate
White37,4764,80712.83%
Black4,2901,57436.69%
Multiple1,40048334.50%
Hispanic1,64140024.38%
Other2574115.95%
Asian354215.93%

16.12%

Overall Poverty Rate

14.89%

Male Poverty Rate

17.29%

Female Poverty Rate

Poverty in Stephenson County, Illinois

The race most likely to be in poverty in Stephenson County, Illinois is Black, with 36.69% below the poverty level.

The race least likely to be in poverty in Stephenson County, Illinois is Asian, with 5.93% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.93%. Among those working part-time, it was 17.34%, and for those that did not work, the poverty rate was 23.95%.

Stephenson County, Illinois Poverty Rate by Education

Name Poverty
Less Than High School27.74%
High School16.50%
Some College8.85%
Bachelors or Greater3.94%

Stephenson County, Illinois Poverty Rate by Employment Status and Sex

Name Poverty
Female Unemployed57.81%
Male Unemployed37.40%
Female Employed8.89%
Male Employed6.39%

Stephenson County, Illinois Income

Stephenson County, Illinois Income by Household Type

Name Median Mean
Households$46,427$59,614
Families$58,446$71,985
Married Families$70,272$81,623
Non Families$24,783$35,062

Stephenson County, Illinois Marital Status

Stephenson County, Illinois Marital Status

Marriage Rates

52.0%

Overall Marriage Rate

54.6%

Male Marriage Rate

49.6%

Female Marriage Rate

Stephenson County, Illinois Married by Age and Sex

Stephenson County, Illinois Marriage

The age group where males are most likely to be married is 55To64, while the female age group most likely to be married is 55To64.

Stephenson County, Illinois Marital Status by Race


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

Stephenson County, Illinois Veterans

Stephenson County, Illinois Veterans by War

3,449

Number of Veterans

3,146

Male Veterans

303

Female Veterans

Name Veterans
Vietnam1,293
Korea456
First Gulf War397
Second Gulf War273
World War II237

Stephenson County, Illinois Veterans by Age

Name Veterans
75+1,093
65 to 74890
55 to 64805
35 to 54476
18 to 34185

Stephenson County, Illinois Veterans by Race

Name Veterans % of Total
White3,20910.11%
Black1896.20%
2 or More183.06%
Indian1645.71%
Hispanic90.94%
Other94.64%
Asian83.25%

Stephenson County, Illinois Veterans by Education

10.38%

Veteran Poverty Rate

32.79%

Veteran Disability Rate

Stephenson County, Illinois Employment Status

Stephenson County, Illinois Employment by Age

62.5%

Labor Force Participation

57.4%

Employment Rate

8%

Unemployment Rate

Stephenson County, Illinois Employment by Race

Stephenson County, Illinois Employment by Education

Population of Cities in Stephenson County, Illinois

City 2010 Census 2016 Estimated Growth Growth Rate
Freeport2563724392-1245-4.86%
Lena29122800-112-3.85%
Pearl City838802-36-4.30%
Orangeville793753-40-5.04%
Cedarville741716-25-3.37%
Davis677639-38-5.61%
Dakota506475-31-6.13%
German Valley463449-14-3.02%
Winslow338329-9-2.66%
Rock City315307-8-2.54%
Ridott164158-6-3.66%
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