Big Rock is a city located in DeKalb County, Kane County, and Kendall County Illinois. Big Rock has a 2024 population of 1,073. Big Rock is currently declining at a rate of -0.74% annually and its population has decreased by -2.9% since the most recent census, which recorded a population of 1,105 in 2020.
The average household income in Big Rock is $137,010 with a poverty rate of 5.16%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Big Rock is 43.8 years, 45.2 years for males, and 41.8 years for females.
According to the most recent ACS, the racial composition of Big Rock was:
White
Two or more races
Asian
Other race
Native American
Black or African American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 426 | 2.87 | 93.2 | 6.8 |
| Married | 330 | 3.17 | 94.2 | 5.8 |
| Non Family | 69 | 1.35 | 91.3 | 8.7 |
| Female | 15 | 3.53 | 73.3 | 26.7 |
| Male | 12 | 2.33 | 100 | 0 |
3.14
Average Family Size
2.87
Average Household Size
93.2%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
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 40.91%.
All
Male
Female
$63,224
Average Earnings
$76,875
Average Male
$46,063
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
97.26% of Big Rock residents speak only English, while 2.74% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.77% of the population.
rate
5.16%
Overall Poverty Rate
3.06%
Male Poverty Rate
7.33%
Female Poverty Rate
The race most likely to be in poverty in Big Rock is White, with 5.71% below the poverty level.
The race least likely to be in poverty in Big Rock is White, with 5.71% 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 8.23%, and for those that did not work, the poverty rate was 6.23%.
Married
Widowed
Divorced
Separated
NeverMarried
72.2%
Overall Marriage Rate
71.8%
Male Marriage Rate
72.5%
Female Marriage Rate
male
female
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 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
48.15%
Veteran Disability Rate
LaborForceParticipation
67.9%
Labor Force Participation
65.2%
Employment Rate
4%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
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.
Europe
Asia
Africa
Oceania
Latin America
North America
79.61%
Born in Big Rock
97.95%
Native Born
2.05%
Foreign Born
0.98%
Non Citizen
1.06%
Naturalized
97.95% of Big Rock residents were born in the United States, with 79.61% having been born in Illinois. 0.98% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 1,033 | -8 | -0.77% |
| 2028 | 1,041 | -8 | -0.76% |
| 2027 | 1,049 | -8 | -0.76% |
| 2026 | 1,057 | -8 | -0.75% |
| 2025 | 1,065 | -8 | -0.75% |
| 2024 | 1,073 | -8 | -0.74% |
| 2023 | 1,081 | -8 | -0.73% |
| 2022 | 1,089 | -10 | -0.91% |
| 2021 | 1,099 | -6 | -0.54% |
| 2020 | 1,105 | -24 | -2.13% |
| 2019 | 1,129 | -10 | -0.88% |
| 2018 | 1,139 | -9 | -0.78% |
| 2017 | 1,148 | -4 | -0.35% |
| 2016 | 1,152 | 0 | 0% |
| 2015 | 1,152 | 3 | 0.26% |
| 2014 | 1,149 | 7 | 0.61% |
| 2013 | 1,142 | 2 | 0.18% |
| 2012 | 1,140 | 2 | 0.18% |
| 2011 | 1,138 | 5 | 0.44% |
| 2010 | 1,133 | 0 | 0% |