Flat Rock is a city located in Crawford County and Lawrence County Illinois. Flat Rock has a 2024 population of 320. Flat Rock is currently declining at a rate of -0.31% annually and its population has decreased by -1.23% since the most recent census, which recorded a population of 324 in 2020.
The average household income in Flat Rock is $57,765 with a poverty rate of 13.47%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Flat Rock is 34.1 years, 34.4 years for males, and 32.1 years for females.
According to the most recent ACS, the racial composition of Flat Rock was:
White
Two or more races
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 179 | 2.54 | 87.2 | 12.8 |
| Married | 97 | 3.47 | 85.6 | 14.4 |
| Non Family | 67 | 1.1 | 86.6 | 13.4 |
| Male | 9 | 2.89 | 100 | 0 |
| Female | 6 | 3 | 100 | 0 |
3.3
Average Family Size
2.54
Average Household Size
87.2%
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 2+ races people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 13.68%.
All
Male
Female
$42,708
Average Earnings
$46,765
Average Male
$25,625
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
100% of Flat Rock residents speak only English, while 0% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 0% of the population.
rate
13.47%
Overall Poverty Rate
17.54%
Male Poverty Rate
9.33%
Female Poverty Rate
The race most likely to be in poverty in Flat Rock is White, with 13.77% below the poverty level.
The race least likely to be in poverty in Flat Rock is White, with 13.77% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 4.41%. Among those working part-time, it was 21.05%, and for those that did not work, the poverty rate was 22.4%.
Married
Widowed
Divorced
Separated
NeverMarried
65.7%
Overall Marriage Rate
59.8%
Male Marriage Rate
72.7%
Female Marriage Rate
male
female
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 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
20%
Veteran Poverty Rate
60%
Veteran Disability Rate
LaborForceParticipation
62%
Labor Force Participation
57.6%
Employment Rate
7.2%
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
68.13%
Born in Flat Rock
100%
Native Born
0%
Foreign Born
0%
Non Citizen
0%
Naturalized
100% of Flat Rock residents were born in the United States, with 68.13% having been born in Illinois. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 315 | -1 | -0.32% |
| 2028 | 316 | -1 | -0.32% |
| 2027 | 317 | -1 | -0.31% |
| 2026 | 318 | -1 | -0.31% |
| 2025 | 319 | -1 | -0.31% |
| 2024 | 320 | -1 | -0.31% |
| 2023 | 321 | -1 | -0.31% |
| 2022 | 322 | -3 | -0.92% |
| 2021 | 325 | 1 | 0.31% |
| 2020 | 324 | 17 | 5.54% |
| 2019 | 307 | -5 | -1.6% |
| 2018 | 312 | -3 | -0.95% |
| 2017 | 315 | 0 | 0% |
| 2016 | 315 | -5 | -1.56% |
| 2015 | 320 | 0 | 0% |
| 2014 | 320 | -3 | -0.93% |
| 2013 | 323 | -3 | -0.92% |
| 2012 | 326 | -4 | -1.21% |
| 2011 | 330 | -1 | -0.3% |
| 2010 | 331 | 0 | 0% |