Rock Falls, Illinois Population 2022

8,693
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Rock Falls is a city located in Whiteside County Illinois. Rock Falls has a 2020 population of 8,693. Rock Falls is currently declining at a rate of -0.55% annually and its population has decreased by -1.09% since the most recent census, which recorded a population of 8,789 in 2010.

The average household income in Rock Falls is $61,855 with a poverty rate of 18.28%. The median rental costs in recent years comes to $658 per month, and the median house value is $71,600. The median age in Rock Falls is 40.5 years, 37.3 years for males, and 42.6 years for females.

Rock Falls Demographics

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

  • White: 89.10%
  • Two or more races: 7.00%
  • Other race: 1.94%
  • Black or African American: 1.49%
  • Asian: 0.29%
  • Native American: 0.18%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Rock Falls, Illinois is 8,693 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 8,789.

Rock Falls, Illinois Population 2022

Population by Race

Race Population Percentage
White7,94289.10%
Black or African American1331.49%
American Indian and Alaska Native160.18%
Asian260.29%
Some Other Race1731.94%
Two or More Races6247.00%
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Rock Falls Population by Race

Rock Falls Population Pyramid 2022

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Rock Falls Median Age

39.5


Total

37.5


Male

42.1


Female

Rock Falls Adults

There are 6,785 adults, (1,608 of whom are seniors) in Rock Falls.

Rock Falls Age Dependency

Age Dependency Ratio

31.1

Old Age Dependency Ratio

41.1

Child Dependency Ratio

Rock Falls Sex Ratio

Female

4,422

49.61%

Male

4,492

50.39%

Rock Falls Population by Age

Rock Falls Renter vs Owner Occupied by Household Type

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Rock Falls Household Types

Type Owner Renter
Married79.5%20.5%
Male64.9%35.1%
All64.2%35.8%
Non Family59.8%40.2%
Female40.6%59.4%

64.2%

Rate of Home Ownership

Rock Falls Households and Families

Type Count Average Size Owned
All3,9812.2164.2
Married1,4953.0579.5
Male1712.6764.9
Female6602.8940.6
Non Family1,6551.1459.8

2.88

Average Family Size

2.21

Average Household Size

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Rock Falls Households by Type

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Education Attained Count Percentage
Less Than 9th Grade2213.69%
9th to 12th Grade4196.99%
High School Graduate2,72345.44%
Some College1,42223.73%
Associates Degree59910.00%
Bachelors Degree4096.83%
Graduate Degree1993.32%
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Rock Falls Educational Attainment by Sex (over 25)

Rock Falls Educational Attainment by Race

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Race Total High School Bachelors
White4,8554,411588
Hispanic1,06690217
2+ Races3002883
Asian88
Other Race163102
Black3411
Native American16

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

The highest rate of bachelors degrees is among white people with a rate of 12.11%.

Rock Falls Educational Attainment by Race

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Name Average Male Female
Overall$31,884$40,641$23,075
Less Than 9th Grade$33,036$36,148$21,912
High School Graduate$33,621$40,460$24,215
Some College$24,025$42,212$20,549
Bachelors Degree$52,051$62,574$52,019
Graduate Degree$105,658$106,908$90,125

$31,884

Average Earnings

$40,641

Average Male

$23,075

Average Female

Rock Falls Earnings by Educational Attainment

Rock Falls Language by Age

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Rock Falls Language

88.93% of Rock Falls residents speak only English, while 11.07% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 10.13% of the population.

Rock Falls Language

Rock Falls Poverty by Race

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Name Total In Poverty Poverty Rate
White6,6231,05115.87%
Black4836.25%
Other3NaN%
Multiple62447876.60%
Hispanic2,02454026.68%

18.28%

Overall Poverty Rate

13.62%

Male Poverty Rate

22.93%

Female Poverty Rate

Poverty in Rock Falls

The race most likely to be in poverty in Rock Falls is White, with 15.87% below the poverty level.

The race least likely to be in poverty in Rock Falls is Hispanic, with 26.68% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 8.08%. Among those working part-time, it was 15.94%, and for those that did not work, the poverty rate was 20.26%.

Rock Falls Poverty

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Name Poverty
Less Than 9th Grade11.16%
High School15.25%
Some College14.84%
Bachelors or Greater3.66%

Rock Falls Poverty Rate by Education

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Rate Poverty
Male Employed4.70%
Male Unemployed8.49%
Female Employed15.09%
Female Unemployed38.85%

Rock Falls Poverty Rate by Employment Status and Sex

Rock Falls Income by Household Type

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Name Median Mean
Households$44,264$59,608
Families$54,481$69,464
Married Families$68,474-
Non Families$32,522$42,995
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Income by Household Type

Rock Falls Marital Status

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Marriage Rates

46.2%

Overall Marriage Rate

45.9%

Male Marriage Rate

46.6%

Female Marriage Rate

Rock Falls Married by Age and Sex

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Rock Falls Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Rock Falls Marital Status by Race

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Rock Falls Marital Status

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857

Number of Veterans

Male Veterans

Female Veterans

War Veterans
Second Gulf War152
First Gulf War97
Vietnam129
Korea53
World War II13

Rock Falls Veterans by War

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Age Group Veterans
18 to 3452
35 to 54198
55 to 64347
65 to 74123
75+137

Rock Falls Veterans by Age

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Name Veterans % of Total
White77912.49%
Native American850.00%
Other Race5433.13%
2+ Races165.33%
Hispanic1169.80%

Rock Falls Veterans by Race

Rock Falls Veterans by Education

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0.95%

Veteran Poverty Rate

38.70%

Veteran Disability Rate

Rock Falls Veterans by Education

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65.9%

Labor Force Participation

62.2%

Employment Rate

5.7%

Unemployment Rate

Rock Falls Employment by Age

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Rock Falls Employment by Race

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Rock Falls 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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81.42%

Born in Rock Falls

97.11%

Native Born

2.89%

Foreign Born

1.77%

Non Citizen

1.12%

Naturalized

Place of Birth

97.11% of Rock Falls residents were born in the United States, with 81.42% having been born in Illinois. 1.77% 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: 2021 and 2022 data is projected
Year Population Growth Annual Growth Rate
19102,6570.00%
19202,9272700.97%
19303,8939662.89%
19404,9871,0942.51%
19507,9832,9964.82%
196010,2612,2782.54%
197010,287260.03%
198010,6333460.33%
19909,654-979-0.96%
20009,580-74-0.08%
20109,266-314-0.33%
20119,218-48-0.52%
20129,170-48-0.52%
20139,122-48-0.52%
20149,074-48-0.53%
20159,026-48-0.53%
20168,978-48-0.53%
20178,930-48-0.53%
20188,882-48-0.54%
20198,834-48-0.54%
20208,789-45-0.51%
20218,741-48-0.55%
20228,693-48-0.55%

Rock Falls Population by Year