Big Rock, Illinois Population 2024

1,077

Big Rock Demographics

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

  • White: 91.72%
  • Two or more races: 6.46%
  • Asian: 1.24%
  • Black or African American: 0.33%
  • Other race: 0.25%
  • Native American: 0%
  • Native Hawaiian or Pacific Islander: 0%
Land Area (mi²)
4.3 sq mi
Density (mi²)
249.40/sq mi
Growth Since 2020
-2.53% (-28)
The current population of Big Rock, Illinois is 1,077 based on our projections of the latest US Census estimates (released May 2024). The last official US Census in 2020 recorded the population at 1,105.

Population by Race

Race
Population
Percentage (of total)
White1,10891.72%
Two or more races786.46%
Asian151.24%
Black or African American40.33%
Other race30.25%
Native American00%
Native Hawaiian or Pacific Islander00%

White

Two or more races

Asian

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Big Rock Population by Race

Big Rock Population Pyramid 2024

Big Rock Median Age

40.6

Total

39

Male

40.9

Female

Big Rock Adults

There are 873 adults, (190 of whom are seniors) in Big Rock.

Big Rock Age Dependency

76.9

Age Dependency Ratio

27.8

Old Age Dependency Ratio

49

Child Dependency Ratio

Big Rock Sex Ratio

Female60650.17%
Male60249.83%

Big Rock Population by Age

Big Rock Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All4222.86964
Married3173.2597.22.8
Non Family801.29955
Female223.1881.818.2
Male321000

3.22

Average Family Size

2.86

Average Household Size

96.0%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Big Rock Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade81%
Associates Degree688.49%
Bachelors Degree19324.09%
Graduate Degree9011.24%
High School Graduate26733.33%
Less Than 9th Grade182.25%
Some College15719.6%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Big Rock Educational Attainment by Sex (over 25)

Big Rock Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White712705248
Hispanic563720
2+ Races28287
Asian15158
Other Race300

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

The highest rate of bachelors degrees is among asian people with a rate of 53.33%.

Big Rock Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$70,000$83,750$47,313
Graduate Degree$0$228,264$0
High School Graduate$84,643$107,941$37,500
Less Than 9th Grade$0$0$0
Overall$69,236$93,077$45,144
Some College$68,250$86,250$40,417

$69,236

Average Earnings

$93,077

Average Male

$45,144

Average Female

Big Rock Earnings by Educational Attainment

Big Rock Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Big Rock Language

92.9% of Big Rock residents speak only English, while 7.1% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.39% of the population.

Big Rock Language

Big Rock Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White1,024555.37%

4.55%

Overall Poverty Rate

2.49%

Male Poverty Rate

6.6%

Female Poverty Rate

Poverty in Big Rock

The race most likely to be in poverty in Big Rock is White, with 5.37% below the poverty level.

The race least likely to be in poverty in Big Rock is White, with 5.37% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 6.67%, and for those that did not work, the poverty rate was 6.85%.

Big Rock Poverty

rate

Rate
Poverty
High School6.37%
Some College5.33%
Bachelors or Greater1.06%
Less Than 9th Grade0%

Big Rock Poverty Rate by Education

rate

Rate
Poverty
Male Employed3.69%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

Big Rock Poverty Rate by Employment Status and Sex

Big Rock Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$136,250$150,335
Households$126,667$140,371
Married Families$136,354$-999,999,999
Non Families$87,813$97,398

mean

median

Income by Household Type

Big Rock Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

70.7%

Overall Marriage Rate

69.9%

Male Marriage Rate

71.5%

Female Marriage Rate

Big Rock Married by Age and Sex

male

female

Big Rock Marriage

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

Big Rock Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Big Rock Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

36

Number of Veterans

32

Male Veterans

4

Female Veterans

War
Veterans
Vietnam14
Second Gulf War12
First Gulf War9
Korea2
World War II0

Big Rock Veterans by War

count

Age Group
Veterans
35 to 5410
65 to 7410
75+9
18 to 344
55 to 643

Big Rock Veterans by Age

count

Name
Veterans
% of Total
White344.19%
2+ Races25%

Big Rock Veterans by Race

Big Rock Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

0%

Veteran Poverty Rate

33.33%

Veteran Disability Rate

Big Rock Veterans by Education

LaborForceParticipation

68.1%

Labor Force Participation

65.6%

Employment Rate

3.6%

Unemployment Rate

Big Rock Employment by Age

LaborForceParticipation

Big Rock Employment by Race

LaborForceParticipation

Big Rock 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

78.64%

Born in Big Rock

96.52%

Native Born

3.48%

Foreign Born

0.91%

Non Citizen

2.57%

Naturalized

Place of Birth

96.52% of Big Rock residents were born in the United States, with 78.64% having been born in Illinois. 0.91% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Big Rock Place of Birth

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
20291,042-7-0.67%
20281,049-7-0.66%
20271,056-7-0.66%
20261,063-7-0.65%
20251,070-7-0.65%
20241,077-7-0.65%
20231,084-5-0.46%
20221,089-10-0.91%
20211,099-6-0.54%
20201,105-24-2.13%
20191,129-10-0.88%
20181,139-9-0.78%
20171,148-4-0.35%
20161,15200%
20151,15230.26%
20141,14970.61%
20131,14220.18%
20121,14020.18%
20111,13850.44%
20101,13300%

Big Rock Population by Year