Sterling, Illinois Population 2021

16,699
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Sterling is a city located in Whiteside County Illinois. Sterling has a 2020 population of 16,699. Sterling is currently declining at a rate of -0.75% annually and its population has decreased by -7.39% since the most recent census, which recorded a population of 18,031 in 2010. Sterling reached it's highest population of 18,031 in 2010.

The average household income in Sterling is $68,067 with a poverty rate of 12.75%. The median rental costs in recent years comes to $678 per month, and the median house value is $94,000. The median age in Sterling is 41.8 years, 40.8 years for males, and 43.3 years for females.

Sterling Demographics

According to the most recent ACS, the racial composition of Sterling was:

  • White: 88.77%
  • Two or more races: 4.45%
  • Black or African American: 3.01%
  • Other race: 2.07%
  • Asian: 1.59%
  • Native American: 0.06%
  • Native Hawaiian or Pacific Islander: 0.05%
The current population of Sterling, Illinois is 16,699 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 17,080.The last official US Census in 2010 recorded the population at 18,031.

Sterling, Illinois Population 2021

Population by Race

Race Population Percentage
White15,30288.77%
Two or More Races7674.45%
Black or African American5183.01%
Some Other Race3562.07%
Asian2741.59%
American Indian and Alaska Native110.06%
Native Hawaiian and Other Pacific Islander90.05%
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Sterling Population by Race

Sterling Population Pyramid $2021

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Sterling Median Age

41.8


Total

40.8


Male

43.3


Female

Sterling Adults

There are 13,316 adults, (3,239 of whom are seniors) in Sterling.

Sterling Age Dependency

71.1

Age Dependency Ratio

32.1

Old Age Dependency Ratio

38.9

Child Dependency Ratio

Sterling Sex Ratio

Female

8,869

51.45%

Male

8,368

48.55%

Sterling Population by Age

Sterling Renter vs Owner Occupied by Household Type

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Sterling Household Types

Type Owner Renter
Married86%14%
Male69.6%30.4%
All64.6%35.4%
Female49.5%50.5%
Non Family46.1%53.9%

64.6%

Rate of Home Ownership

Sterling Households and Families

Type Count Average Size Owned
All7,1742.3364.6
Married3,0983.0486
Non Family2,8141.2146.1
Female1,0123.2149.5
Male2502.6369.6

2.96

Average Family Size

2.33

Average Household Size

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Sterling Households by Type

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Education Attained Count Percentage
Less Than 9th Grade5544.68%
9th to 12th Grade8347.04%
High School Graduate3,92133.12%
Some College3,21627.16%
Associates Degree1,1399.62%
Bachelors Degree1,27410.76%
Graduate Degree9017.61%
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Sterling Educational Attainment by Sex (over 25)

Sterling Educational Attainment by Race

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Race Total High School Bachelors
White8,8988,1191,861
Hispanic2,2991,822203
Black41030817
Other Race2602027
2+ Races23717022
Asian20116987
Native American1111
Islander99

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

The highest rate of bachelors degrees is among asian people with a rate of 43.28%.

Sterling Educational Attainment by Race

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Name Average Male Female
Overall$33,848$40,336$27,389
Less Than 9th Grade$25,104$39,115$16,164
High School Graduate$30,827$37,305$21,394
Some College$30,667$36,343$27,226
Bachelors Degree$45,682$60,789$38,514
Graduate Degree$61,750$75,192$54,955

$33,848

Average Earnings

$40,336

Average Male

$27,389

Average Female

Sterling Earnings by Educational Attainment

Sterling Language by Age

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Sterling Language

86.36% of Sterling residents speak only English, while 13.64% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.77% of the population.

Sterling Language

Sterling Poverty by Race

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Name Total In Poverty Poverty Rate
White11,4431,41812.39%
Hispanic4,28550111.69%
Multiple76721127.51%
Black4878818.07%
Asian274103.65%
Other35651.40%

12.75%

Overall Poverty Rate

13.00%

Male Poverty Rate

12.52%

Female Poverty Rate

Poverty in Sterling

The race most likely to be in poverty in Sterling is Multiple, with 27.51% below the poverty level.

The race least likely to be in poverty in Sterling is Other, with 1.40% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.81%. Among those working part-time, it was 11.19%, and for those that did not work, the poverty rate was 18.44%.

Sterling Poverty

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Name Poverty
Less Than 9th Grade21.39%
Some College10.04%
High School8.78%
Bachelors or Greater5.11%

Sterling Poverty Rate by Education

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Rate Poverty
Male Unemployed67.67%
Female Unemployed26.56%
Female Employed6.99%
Male Employed6.19%

Sterling Poverty Rate by Employment Status and Sex

Sterling Income by Household Type

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Name Median Mean
Households$46,835$68,067
Families$63,765$85,905
Married Families$77,619-
Non Families$28,363$37,401
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Income by Household Type

Sterling Marital Status

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Marriage Rates

46.8%

Overall Marriage Rate

48.1%

Male Marriage Rate

45.5%

Female Marriage Rate

Sterling Married by Age and Sex

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Sterling Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 55-64.

Sterling Marital Status by Race

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Sterling Marital Status

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1,154

Number of Veterans

1,100

Male Veterans

54

Female Veterans

War Veterans
Vietnam305
First Gulf War235
Korea189
Second Gulf War134
World War II94

Sterling Veterans by War

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Age Group Veterans
75+369
35 to 54327
65 to 74211
55 to 64208
18 to 3439

Sterling Veterans by Age

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Name Veterans % of Total
White1,0799.02%
Hispanic1976.95%
Black398.44%
2+ Races318.81%
Asian52.38%

Sterling Veterans by Race

Sterling Veterans by Education

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6.68%

Veteran Poverty Rate

29.58%

Veteran Disability Rate

Sterling Veterans by Education

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62.1%

Labor Force Participation

59.4%

Employment Rate

4.2%

Unemployment Rate

Sterling Employment by Age

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Sterling Employment by Race

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Sterling Employment by Education

Origin of Non-Citizens

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

Origin of Naturalized Citizens

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73.18%

Born in Sterling

94.03%

Native Born

5.97%

Foreign Born

4.19%

Non Citizen

1.78%

Naturalized

Place of Birth

94.03% of Sterling residents were born in the United States, with 73.18% having been born in Illinois. 4.19% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Sterling Place of Birth

Year Population Growth Annual Growth Rate
202116,699-127-0.75%
202016,826-127-0.75%
201916,953-127-0.74%
201817,080-151-0.88%
201717,231-163-0.94%
201617,394-141-0.80%
201517,535-40-0.23%
201417,575-107-0.61%
201317,682-109-0.61%
201217,791-158-0.88%
201117,949-82-0.45%
201018,0310.00%

Sterling Population by Year