');
US City Data

Flat Rock, IL

Population 362 · Illinois

Population
362
Median Income
$49,881
Median Home Value
$56,700
Median Rent
$0/mo

About Flat Rock, IL

Flat Rock is a small community located in Illinois with a population of 362 residents according to the latest US Census Bureau American Community Survey data. The median household income is $49,881 per year, which is 34% below the national median of $75,149. The median age of 37.7 years is close to the US median age of 38.9 years.

Housing Market Overview

The housing market in Flat Rock features a median home value of $56,700, which is 77% below the national median of $244,900. This makes Flat Rock one of the more affordable markets in the country, potentially attractive for first-time homebuyers. Median monthly rent is $0, 100% below the national average of $1,163/month. Of the 169 total housing units, 87% are owner-occupied (129 units) and 13% are renter-occupied (19 units). The high homeownership rate suggests a stable, established residential community.

Economy & Employment

The local economy in Flat Rock shows an unemployment rate of 6.5%, which is significantly above the national rate of 3.7%, suggesting economic challenges in the area. The poverty rate stands at 14.4%, above the national average of 12.4%. Workers in Flat Rock have an average one-way commute time of 27.6 minutes.

Education & Demographics

13.4% of Flat Rock residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The lower educational attainment rate may reflect the area's industry mix, with more employment in trades, manufacturing, or agricultural sectors. The community's demographic composition includes 0.0% White, 2.2% Hispanic or Latino, 0.0% Black or African American, and 0.0% Asian residents, with 0.0% of the population being foreign-born.

Cost of Living in Flat Rock, IL

Compared to national averages, Flat Rock has a median household income of $49,881 (34% below the national median of $75,149). Home values average $56,700, which is 77% below the national median. Monthly rent at $0 is 100% below the US average of $1,163. Within Illinois, Flat Rock's income is 34% below the state average of $75,072, and home values are 66% below the state median of $165,779.

Income vs National
$49,881
National: $75,149
Illinois: $75,072
Home Value vs National
$56,700
National: $244,900
Illinois: $165,779
Rent vs National
$0
National: $1,163
Illinois: $1,011
Unemployment vs National
6.5%
National: 3.7%
Illinois: 6.2%

Why Live in Flat Rock, IL?

Flat Rock offers affordable housing with a median home value of $56,700, below the US average of $244,900, and rent that’s lower than the national average at $0/month.

Potential considerations include median household income ($49,881) that falls below the national average. However, Flat Rock’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.

Flat Rock has a population of 362 with a median age of 37.7 years. Compare Flat Rock with other cities to see how it stacks up, or explore all cities in Illinois.

Similar Cities Near Flat Rock

Cities in Illinois with a similar population size.

CityPopulationMedian IncomeHome Value
Dayton363$136,458$235,000Compare
Seatonville363$47,122$95,400Compare
Thebes363$41,250$45,000Compare
Hindsboro364$52,292$74,800Compare
Humboldt360$58,375$75,000Compare
Trivoli364$66,766$155,300Compare
Crab Orchard359$110,125$97,900Compare
Mason365$63,472$89,300Compare

Demographics

37.7
Median Age
179
Male
183
Female
0%
Foreign Born

Racial & Ethnic Composition

White0Hispanic/Latino2.2Black0Asian0Two or More0

Economy & Education

6.5%
Unemployment Rate
14.4%
Poverty Rate
13.4%
Bachelor's Degree+
27.6 min
Avg Commute

Housing

169
Total Housing Units
129
Owner Occupied
19
Renter Occupied

Other Cities in Illinois

Big RockCave In RockIllinois CityRock CityRock FallsRock Island Arsenal

Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.

Compare Flat Rock With Other Cities

Flat Rock vs Big RockFlat Rock vs Cave In RockFlat Rock vs Illinois CityFlat Rock vs Rock City

Frequently Asked Questions about Flat Rock

What is the population of Flat Rock, IL?

The population of Flat Rock, IL is 362 according to the latest US Census Bureau American Community Survey estimates. This makes it a small community in Illinois.

What is the median household income in Flat Rock?

The median household income in Flat Rock, IL is $49,881 per year, which is 34% below the national median of $75,149.

What is the median home value in Flat Rock?

The median home value in Flat Rock, IL is $56,700, which is 77% below the national median of $244,900. The majority of housing units are owner-occupied.

What is the average rent in Flat Rock?

The median monthly rent in Flat Rock, IL is $0, which is 100% below the national average of $1,163/month.

What is the unemployment rate in Flat Rock?

The unemployment rate in Flat Rock, IL is 6.5%, compared to the national average of 3.7%. Job seekers may want to research the dominant industries in the area.

Is Flat Rock, IL a good place to live?

Flat Rock offers a moderate cost of living, affordable housing, and growing employment opportunities. With a population of 362 and a median age of 37.7, the city appeals to a broad range of residents.

How educated is Flat Rock, IL?

13.4% of residents in Flat Rock aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. The educational profile reflects the area's industry mix and employment landscape.

What is the cost of living in Flat Rock?

Key cost-of-living indicators for Flat Rock, IL: median home value is $56,700 (77% below national), median rent is $0/month, and median household income is $49,881. The home-value-to-income ratio is 1.1x, indicating relatively affordable housing relative to local incomes.

What is the poverty rate in Flat Rock?

The poverty rate in Flat Rock, IL is 14.4%, compared to the national average of 12.4%. Residents and prospective movers should be aware of the economic challenges facing parts of this community.

How diverse is Flat Rock, IL?

Flat Rock's population is 0.0% White, 2.2% Hispanic or Latino, 0.0% Black or African American, 0.0% Asian, and 0.0% two or more races. 0.0% of residents are foreign-born.

Explore More

Cost of Living in IllinoisMost Populated Cities in IllinoisCheapest Cities in IllinoisHighest Income Cities in IllinoisLowest Rent in IllinoisBest Cities for FamiliesBest Cities for Young ProfessionalsBest Cities for RetireesGuide: Cost Of LivingGuide: Moving GuideFlat Rock vs AbingdonFlat Rock vs AdairFlat Rock vs Adams