Rock City, Illinois Population 2024

284

Rock City is a city located in Stephenson County Illinois. Rock City has a 2024 population of 284. Rock City is currently declining at a rate of -1.05% annually and its population has decreased by -3.73% since the most recent census, which recorded a population of 295 in 2020.

The average household income in Rock City is $72,322 with a poverty rate of 7.69%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Rock City is 38 years, 30 years for males, and 44.6 years for females.

Rock City Demographics

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

  • White: 86.09%
  • Other race: 10.65%
  • Two or more races: 3.25%
  • Black or African American:
  • Native American:
  • Asian:
  • Native Hawaiian or Pacific Islander:
Land Area (mi²)
0.1 sq mi
Density (mi²)
2,116.70/sq mi
Growth Since 2020
-3.73% (-11)
The current population of Rock City, Illinois is 284 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 295.

Rock City, Illinois Population 2024

Population by Race

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Race
Population
Percentage (of total)
White29186.09%
Other race3610.65%
Two or more races113.25%
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Other race

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Rock City Population by Race

Rock City Population Pyramid 2024

Rock City Median Age

38

Total

30

Male

44.6

Female

Rock City Adults

There are 240 adults, (51 of whom are seniors) in Rock City.

Rock City Age Dependency

78.8

Age Dependency Ratio

27

Old Age Dependency Ratio

51.9

Child Dependency Ratio

Rock City Sex Ratio

Female16047.34%
Male17852.66%

Rock City Population by Age

Rock City Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1242.7383.116.9
Married542.891000
Non Family381.0568.431.6
Female203.97030
Male125.337525
showing: 5 rows

3.3

Average Family Size

2.73

Average Household Size

83.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Rock City Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Rock City Educational Attainment by Sex (over 25)

Rock City Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among other race people with a rate of 100%.

The highest rate of bachelors degrees is among other race people with a rate of 100%.

Rock City Educational Attainment by Race

All

Male

Female

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$37,250

Average Earnings

$43,750

Average Male

$35,000

Average Female

Rock City Earnings by Educational Attainment

Rock City Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Rock City Language

100% of Rock City residents speak only English, while speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by of the population.

Rock City Language

Rock City Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White291248.25%
Multiple11218.18%
showing: 2 rows

7.69%

Overall Poverty Rate

10.11%

Male Poverty Rate

5%

Female Poverty Rate

Poverty in Rock City

The race most likely to be in poverty in Rock City is Multiple, with 18.18% below the poverty level.

The race least likely to be in poverty in Rock City is White, with 8.25% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.31%. Among those working part-time, it was 6.35%, and for those that did not work, the poverty rate was 16.92%.

Rock City Poverty

rate

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Rate
Poverty
High School12.94%
Less Than 9th Grade12.5%
Some College4.88%
Bachelors or Greater
showing: 4 rows

Rock City Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed50%
Male Employed7.59%
Female Employed2.15%
Female Unemployed
showing: 4 rows

Rock City Poverty Rate by Employment Status and Sex

Rock City Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Rock City Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

47.9%

Overall Marriage Rate

50.4%

Male Marriage Rate

45.7%

Female Marriage Rate

Rock City Married by Age and Sex

male

female

Rock City 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.

Rock City Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Rock City Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

8

Number of Veterans

5

Male Veterans

3

Female Veterans

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Rock City Veterans by War

count

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Rock City Veterans by Age

count

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Rock City Veterans by Race

Rock City Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

62.5%

Veteran Disability Rate

Rock City Veterans by Education

LaborForceParticipation

72.3%

Labor Force Participation

69.1%

Employment Rate

4.4%

Unemployment Rate

Rock City Employment by Age

LaborForceParticipation

Rock City Employment by Race

LaborForceParticipation

Rock City Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

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

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

68.05%

Born in Rock City

100%

Native Born

Foreign Born

Non Citizen

Naturalized

Place of Birth

100% of Rock City residents were born in the United States, with 68.05% having been born in Illinois. 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: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
2029269-3-1.1%
2028272-3-1.09%
2027275-3-1.08%
2026278-3-1.07%
2025281-3-1.06%
2024284-3-1.05%
2023287-3-1.03%
2022290-3-1.02%
2021293-2-0.68%
2020295134.61%
2019282-2-0.7%
2018284-4-1.39%
2017288-3-1.03%
2016291-1-0.34%
2015292-4-1.35%
2014296-2-0.67%
2013298-1-0.33%
2012299-3-0.99%
2011302-1-0.33%
2010303
showing: 20 rows

Rock City Population by Year