Rock Falls, Illinois Population 2024

8,543

Rock Falls Demographics

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

  • White: 83.37%
  • Two or more races: 12.06%
  • Other race: 3.65%
  • Black or African American: 0.38%
  • Native American: 0.34%
  • Asian: 0.2%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
4.0 sq mi
Density (mi²)
2,145.0/sq mi
Growth Since 2020
-2.58% (-226)
The current population of Rock Falls, Illinois is 8,543 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 8,769.

Population by Race

Race
Population
Percentage (of total)
White7,42383.37%
Two or more races1,07412.06%
Other race3253.65%
Black or African American340.38%
Native American300.34%
Asian180.2%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Other race

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Rock Falls Population by Race

Rock Falls Population Pyramid 2024

Rock Falls Median Age

38.2

Total

37.7

Male

39.3

Female

Rock Falls Adults

There are 6,824 adults, (1,625 of whom are seniors) in Rock Falls.

Rock Falls Age Dependency

71.3

Age Dependency Ratio

31.3

Old Age Dependency Ratio

40

Child Dependency Ratio

Rock Falls Sex Ratio

Female4,63152.01%
Male4,27347.99%

Rock Falls Population by Age

Rock Falls Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All3,9692.2164.935.1
Non Family1,8771.2164.435.6
Married1,1333.038317
Female7463.2341.858.2
Male2133.185446

2.95

Average Family Size

2.21

Average Household Size

64.9%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Rock Falls Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade5529.23%
Associates Degree69411.6%
Bachelors Degree5669.46%
Graduate Degree2924.88%
High School Graduate2,32938.94%
Less Than 9th Grade2574.3%
Some College1,29121.59%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Rock Falls Educational Attainment by Sex (over 25)

Rock Falls Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White4,8124,168816
Hispanic99786442
2+ Races5645040
Other Race2742010
Native American30130
Black28230
Asian220

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

The highest rate of bachelors degrees is among white people with a rate of 16.96%.

Rock Falls Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$48,828$46,930$58,125
Graduate Degree$88,707$118,947$87,759
High School Graduate$37,454$46,232$26,448
Less Than 9th Grade$24,188$40,587$17,656
Overall$38,371$46,732$26,363
Some College$31,391$56,585$23,516

$38,371

Average Earnings

$46,732

Average Male

$26,363

Average Female

Rock Falls Earnings by Educational Attainment

Rock Falls Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Rock Falls Language

88.38% of Rock Falls residents speak only English, while 11.62% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 11.2% of the population.

Rock Falls Language

Rock Falls Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White6,6001,14517.35%
Hispanic1,90872738.1%
Multiple1,07460856.61%
Other3256018.46%
Black23730.43%
Asian18211.11%

21.96%

Overall Poverty Rate

17.18%

Male Poverty Rate

26.36%

Female Poverty Rate

Poverty in Rock Falls

The race most likely to be in poverty in Rock Falls is Multiple, with 56.61% below the poverty level.

The race least likely to be in poverty in Rock Falls is Asian, with 11.11% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 8.25%. Among those working part-time, it was 23.64%, and for those that did not work, the poverty rate was 21.55%.

Rock Falls Poverty

rate

Rate
Poverty
Less Than 9th Grade26.52%
Some College16.12%
High School14.12%
Bachelors or Greater5.13%

Rock Falls Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed51.02%
Male Unemployed36.89%
Female Employed20.22%
Male Employed3.85%

Rock Falls Poverty Rate by Employment Status and Sex

Rock Falls Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$60,158$85,977
Households$48,390$68,567
Married Families$78,450$-999,999,999
Non Families$35,250$41,044

mean

median

Income by Household Type

Rock Falls Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

36.3%

Overall Marriage Rate

36.7%

Male Marriage Rate

35.9%

Female Marriage Rate

Rock Falls Married by Age and Sex

male

female

Rock Falls 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 35-44.

Rock Falls Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Rock Falls Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

697

Number of Veterans

683

Male Veterans

14

Female Veterans

War
Veterans
Second Gulf War163
First Gulf War119
Vietnam102
Korea26
World War II16

Rock Falls Veterans by War

count

Age Group
Veterans
35 to 54257
55 to 64215
75+118
65 to 7476
18 to 3431

Rock Falls Veterans by Age

count

Name
Veterans
% of Total
White65611.2%
Hispanic695.94%
Other Race237.49%
2+ Races122.08%
Native American620%

Rock Falls Veterans by Race

Rock Falls Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

7.89%

Veteran Poverty Rate

33.43%

Veteran Disability Rate

Rock Falls Veterans by Education

LaborForceParticipation

64.2%

Labor Force Participation

61.3%

Employment Rate

4.4%

Unemployment Rate

Rock Falls Employment by Age

LaborForceParticipation

Rock Falls Employment by Race

LaborForceParticipation

Rock Falls 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

83.83%

Born in Rock Falls

96.33%

Native Born

3.67%

Foreign Born

1.83%

Non Citizen

1.84%

Naturalized

Place of Birth

96.33% of Rock Falls residents were born in the United States, with 83.83% having been born in Illinois. 1.83% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Rock Falls Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20298,261-57-0.69%
20288,318-56-0.67%
20278,374-56-0.66%
20268,430-57-0.67%
20258,487-56-0.66%
20248,543-57-0.66%
20238,600-2-0.02%
20228,602-121-1.39%
20218,723-46-0.52%
20208,769230.26%
20198,746-53-0.6%
20188,799-96-1.08%
20178,895-85-0.95%
20168,980-81-0.89%
20159,061-22-0.24%
20149,083-116-1.26%
20139,199-59-0.64%
20129,258-95-1.02%
20119,353-41-0.44%
20109,39400%
20009,580-74-0.77%
19909,654-979-9.21%
198010,6333463.36%
197010,287260.25%
196010,2612,27828.54%
19507,9832,99660.08%
19404,9871,09428.1%
19303,89396633%
19202,92727010.16%
19102,657-5,604-67.84%

Rock Falls Population by Year