Flatville, Middle Fork Forest Reserve, IL demographics:
population, income, and more

Total population
14
-6.7% year-over-year change
Median household income
$66,250/yr
-8.3% year-over-year change
Housing units
8
14.3% year-over-year change

Flatville population

How many people live in Flatville

Flatville is home to 14 residents, according to the most recent Census data. Gender-wise, 50% of Flatville locals are male, and 50% are female.

Total population
14
-6.7% year-over-year change
Gender ratio
Male
50%
7
Female
50%
7
Value Percent YoY change
Male 7 50% -12.5%
Female 7 50% -12.5%
A higher population often means more rental variety and livelier areas. The gender balance—how many men live here compared to women—can reveal a lot about the community and the lifestyles of its residents. Use this info to get a sense of the area's pace and personality.

Age demographics

The median age in Flatville is 45, with the population distributed as follows: about 18.8% are children under 15, then 6.2% are in the 15 to 24 age group. Adults between 25 and 44 make up 25% of the population, while another 31.2% fall into the 45 to 64 bracket. Finally, around 18.8% are 65 or older.

Median age
45.3
Age breakdown
Under 15
18.8%
15 to 24
6.2%
25 to 44
25%
45 to 64
31.2%
Over 65
18.8%
Value Percent YoY change
Under 15 3 18.8% 0.0%
15 to 24 1 6.2% 0.0%
25 to 44 4 25% 0.0%
45 to 64 5 31.2% 0.0%
Over 65 3 18.8% 0.0%
The age composition helps you get insight into who lives in the area. A younger population might mean a more active, fast-paced vibe, while an older one could suggest a quieter, slower lifestyle. If there's a balanced makeup, you’re likely to find a variety of services, housing types, and community spaces that cater to different life stages.

Racial makeup

At the same time, 7.1% of residents are non-citizens. There’s also a share of 7.1% that includes residents with two or more races.

Citizenship
U.S.-born citizens
92.9%
Non-U.S.-born citizens
0%
Non-citizens
7.1%
Value Percent YoY change
U.S.-born citizens 13 92.9% -7.1%
Non-citizens 1 7.1% 0.0%
Racial breakdown
White
92.9%
Black or African American
0%
American Indian and Alaska Native
0%
Asian
0%
Native Hawaiian and other Pacific Islander
0%
Two or more races
7.1%
Other
0%
Value Percent
White 13 92.9%
Two or more races 1 7.1%

Households in Flatville

A peek inside Flatville households

Flatville has 7 households, with an average of 2 members in each. Of these, 57.1% are families, while the remaining 42.9% are made up of individuals living alone or with non-relatives, such as roommates.

Households stats

Total households
7
0.0% year-over-year change
Average people per household
2
Non-family households
3
Family households
4
Value Percent YoY change
Non-family households 3 42.9% 50.0%
Family households 4 57.1% -20.0%
The mix between family and non-family households gives a glimpse into daily life. A higher percentage of families might mean more parks and schools, while more non-family setups can mean flexible housing and diverse living styles. For renters, this can signal what kinds of homes are common and can help you figure out if the area matches your lifestyle.

Housing in Flatville

The housing landscape of Flatville

Flatville's housing consists of 8 units, with 100% being detached single-family homes ideal for those wanting space.

Housing units
8
14.3% year-over-year change
Housing types
Value Percent
1 unit, detached 6 100%
Homes built since 2020
0
% year-over-year change

The age of buildings in Flatville

In Flatville, the median construction year is 1975. Most development happened in the second half of the 20th century.

Construction year breakdown by decade
Value Percent YoY change
Built in 1939 or earlier 1 14.3% 0.0%
Built between 1960 and 1969 1 14.3% 0.0%
Built between 1970 and 1979 2 28.6% -33.3%
Built between 1980 and 1989 1 14.3% 0.0%
Built between 1990 and 1999 1 14.3% 0.0%
Built between 2000 and 2009 1 14.3% 0.0%
As a renter, knowing when homes were built helps you understand the potential condition and design of rental units. Newer builds may have more contemporary layouts, while older homes can offer character or larger lots, depending on the area.

Flatville occupancy rates

Out of the 7 occupied housing units in Flatville, 71.4% are owner-occupied, while 14.3% are lived in by tenants. Meanwhile, 12.5% of all homes on the local market sit vacant.

Occupied housing units
7
0.0% year-over-year change
Occupancy breakdown
Renter occupied
1
Owner occupied
5
Value Percent YoY
change
Renter occupied 1 14.3% 0.0%
Owner occupied 5 71.4% -16.7%
Unoccupied housing units
12.5%
Unoccupied housing units refer to homes that are currently without residents—whether they're waiting for renters or owners, used seasonally, or simply unclaimed. A higher share of empty homes may mean more housing availability, while a low number can reflect a tighter market with more competition. This, along with the renter-vs.-owner mix, helps paint a clearer picture of what types of housing and services are likely to be available in the area.

Flatville housing costs

Housing costs in Flatville come to a median of $799 per month, while tenants specifically pay a median gross rent of $808.

Median housing costs per month
$799/month
This figure sums up typical monthly housing costs for all households in the area. If you own, it includes mortgage payments in addition to property taxes, insurance and HOA fees. If you rent, it accounts for rent plus extras like utilities. It’s useful for seeing how local living expenses stack up compared to other places.
Median gross rent in Flatville
$808/month
Gross rent gives a more complete look at what renters actually pay, including not just base rent, but also utilities and fees. It’s a key number for evaluating rental affordability in your area of interest and understanding how it compares to nearby locations.

Education in Flatville

Flatville education at a glance

About 60% of the population in Flatville went to high school, while 20% pursued college studies. Another 10% earned an associate degree and 10% hold a bachelor’s.

Education level
Value Percent YoY change
High school diploma 6 60% 0.0%
College diploma 2 20% -33.3%
Associate degree 1 10% 0.0%
Bachelor's degree 1 10% -50.0%
A community’s education mix can offer insights into the local economy and housing market. Higher levels of education often align with more job opportunities and stable incomes, which can increase demand for homes and influence both rent prices and rental availability.

Income in Flatville

How much people earn in Flatville

The average annual household income in Flatville was $96,562 in 2024, the most recent annual data available, according to the U.S. Census Bureau. This marked a -6.6% change from the previous year. At the same time, the median income stood at $66,250, reflecting a -8.3% shift over the same period.

Average household income in Flatville
$96,562/year
-6.6% year-over-year change
Median household income in Flatville
$66,250/year
-8.3% year-over-year change

Flatville income by age

In Flatville, households led by residents aged 25 to 44 — usually in the early to mid stages of their careers — have a median income of $58,750. Those with someone between 45 and 64 in charge, often well established professionally, earn $76,250 overall. Overall, 86.7% of the locals in this community live above the poverty line.

Income breakdown by age
Value YoY change
25 - 44 $58,750 -10.5%
45 - 64 $76,250 -8.3%
Over 65 $64,583 0.2%
Above poverty level
13
Below poverty level
2
Value Percent YoY
change
Above poverty level 13 86.7% 0.0%
Below poverty level 2 13.3% 0.0%

Employment in Flatville

Workforce and job types in Flatville

71.4% of the working population are employed in professional or administrative positions, while 28.6% are in hands-on or service-based jobs. Also, 12.5% run their own businesses, 50% are employed by private companies, and 25% work in the public sector.

Workforce demographics

White collar
5
Blue collar
2
Value Percent YoY change
White collar 5 71.4% 0.0%
Blue collar 2 28.6% -33.3%
Employer type
Self employees
12.5%
Private companies
50%
Governmental workers
25%
Not for profit companies
12.5%
Value Percent YoY change
Self employees 1 12.5% 0.0%
Private companies 4 50% 0.0%
Governmental workers 2 25% 0.0%
Not for profit companies 1 12.5% N/A

Transportation in Flatville

How people get around in Flatville

Means of transportation
Value Percent YoY change
Car 6 100% -14.3%
Understanding how locals get to work can help you plan your own routine. High car usage might mean you’ll need a vehicle, while strong public transit or walkability could save you the hassle. Commute times also play a big role in quality of life—shorter trips can give you more time for the things you enjoy.

What is the median and average household income in Flatville by zipcode?

Zipcode Population Number of households Median income Average income
61878 1,127 519 $66,250 $96,562

Explore more communities

FAQs about Flatville demographics 

What is the total population of Flatville?

Flatville has a total population of 14 residents, according to the latest release from the U.S. Census Bureau: the 2019-2023 American Community Survey (ACS) 5-year estimates. This figure changed by -6.7% compared to a year ago.

What is the gender ratio in Flatville?

The gender ratio in Flatville is as follows:
  • 50% males (7 residents)
  • 50% females (7 residents)

What is the median age in Flatville?

The median age in Flatville is 45.3.

What is the age distribution of the population in Flatville?

The age distribution in Flatville is as follows:
  • Under 15: 18.8% (3 residents)
  • Ages 15-24: 6.2% (1 residents)
  • Ages 25-44: 25% (4 residents)
  • Ages 45-64: 31.2% (5 residents)
  • Over 65: 18.8% (3 residents)

What is the racial and ethnic makeup of Flatville?

The racial and ethnic makeup of Flatville is as follows:
  • White: 92.9% (13 residents)
  • Black or African American: 0% (0 residents)
  • American Indian and Alaska Native: 0% (0 residents)
  • Asian: 0% (0 residents)
  • Native Hawaiian and Other Pacific Islander: 0% ( residents)
  • Two or More Races: 7.1% (1 residents)
  • Other: 0% (0 residents)

What percentage of the population in Flatville are U.S.-born citizens?

U.S.-born citizens represent 92.9% of the population in Flatville.

How many housing units are there in Flatville?

There are 8 housing units in Flatville, reflecting a +14.3% change compared to the previous year, according to the latest data from the U.S. Census Bureau.

How many households are in Flatville and what is the average household size?

Flatville has a total of 7 households, with an average of 2 people in each.

What is the median household income in Flatville?

Flatville has a median household income of $66,250, representing a -8.3% shift from the previous year, according to the U.S. Census Bureau.

What is the job market overview for Flatville?

Here’s a detailed breakdown of the local job market:

Job types:
  • White-collar workers: 71.4% (5 residents)
  • Blue-collar workers: 28.6% (2 residents)

Places of employment:
  • Self-employed: 12.5% (1 residents)
  • Private companies: 50% (4 residents)
  • Governmental workers: 25% (2 residents)
  • Not-for-profit companies: 12.5% (1 residents)

Data source & methodology

The demographic data on this page was sourced from the latest U.S. Census Bureau release—the 2019–2023 American Community Survey (ACS) 5-year estimates.

The information, issued annually, is compiled and published by the Point2Homes Research Team as soon as new data becomes available.

No representation, guarantee, or warranty is made concerning the accuracy or completeness of modified or aggregated information for particular areas.

Page last updated: September 2025