Rock City, Illinois Population 2022

289
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Rock City is a city located in Stephenson County Illinois. With a 2020 population of 289, it is the 1067th largest city in Illinois and the 22206th largest city in the United States. Rock City is currently declining at a rate of -0.69% annually and its population has decreased by -18.36% since the most recent census, which recorded a population of 354 in 2020. Spanning over 0 miles, Rock City has a population density of 2,154 people per square mile.

The average household income in Rock City is $61,990 with a poverty rate of 7.91%. The median rental costs in recent years comes to $806 per month, and the median house value is $103,300. The median age in Rock City is 33.3 years, 32.6 years for males, and 37.3 years for females.

Rock City Demographics

According to the most recent ACS, the racial composition of Rock Citywas:

  • White: 91.81%
  • Native American: 6.78%
  • Two or more races: 1.41%
  • Black or African American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
  • Other race: 0.00%
The current population of Rock City, Illinois is 289 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 354.

Rock City, Illinois Population 2022

Population by Race

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Rock City Population by Race

Rock City Population Pyramid 2022

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Rock City Median Age

35.5


Total

34.5


Male

36.5


Female

Rock City Adults

There are 237 adults, (51 of whom are seniors) in Rock City.

Rock City Age Dependency

Age Dependency Ratio

27.4

Old Age Dependency Ratio

62.9

Child Dependency Ratio

Rock City Sex Ratio

Female

186

52.54%

Male

168

47.46%

Rock City Population by Age

Rock City Renter vs Owner Occupied by Household Type

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Rock City Household Types

77.5%

Rate of Home Ownership

Rock City Households and Families

3.39

Average Family Size

2.74

Average Household Size

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Rock City Households by Type

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Rock City Educational Attainment by Sex (over 25)

Rock City Educational Attainment by Race

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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 white people with a rate of 12.74%.

Rock City Educational Attainment by Race

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$34,583

Average Earnings

$42,917

Average Male

$31,071

Average Female

Rock City Earnings by Educational Attainment

Rock City Language by Age

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Rock City Language

98.74% of Rock City residents speak only English, while 1.26% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0.63% of the population.

Rock City Language

Rock City Poverty by Race

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7.91%

Overall Poverty Rate

10.71%

Male Poverty Rate

5.38%

Female Poverty Rate

Poverty in Rock City

The race most likely to be in poverty in Rock City is White, with 8.31% below the poverty level.

The race least likely to be in poverty in Rock City is Multiple, with 20.00% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 4.35%. Among those working part-time, it was 3.77%, and for those that did not work, the poverty rate was 15.79%.

Rock City Poverty

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Rock City Poverty Rate by Education

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Rock City Poverty Rate by Employment Status and Sex

Rock City Income by Household Type

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Income by Household Type

Rock City Marital Status

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Marriage Rates

52.5%

Overall Marriage Rate

54.8%

Male Marriage Rate

50.4%

Female Marriage Rate

Rock City Married by Age and Sex

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Rock City Marriage

The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 55-64.

Rock City Marital Status by Race

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Rock City Marital Status

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23

Number of Veterans

Male Veterans

Female Veterans

Rock City Veterans by War

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Rock City Veterans by Age

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Rock City Veterans by Race

Rock City Veterans by Education

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0.00%

Veteran Poverty Rate

17.39%

Veteran Disability Rate

Rock City Veterans by Education

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73%

Labor Force Participation

71%

Employment Rate

2.8%

Unemployment Rate

Rock City Employment by Age

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Rock City Employment by Race

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Rock City 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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70.90%

Born in Rock City

100.00%

Native Born

0.00%

Foreign Born

0.00%

Non Citizen

0.00%

Naturalized

Place of Birth

100.00% of Rock City residents were born in the United States, with 70.90% having been born in Illinois. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Rock City Place of Birth

Note: 2021 and 2022 data is projected

Rock City Population by Year