Groundwork

Real estate · County · Illinois

Real estate agents and brokers in Warren County, IL

Competitor counts, household spending and official business counts for real estate agents and brokers in Warren County, IL, set against other counties and the U.S.

Groundwork market score · out of 100

Score 34 out of 100: Lower middle

Ranked #1,883 of 2,176 scored counties
#73 of 82 scored counties in Illinois

Listings
11
1 chain location (9%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$90.7M
On rent and homeowner costs · $13,361 a household
Housing spending per listing (U.S. = 100)
151
51% above the U.S.
Listings per 10k households
16.2
47% below the U.S.
Population, 2025
16,222
−3.6% since 2020

See the real estate agents and brokers around any address in Warren County

The site report maps the real estate agents and brokers on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Warren County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

Warren County scores 34 (lower middle) on the Groundwork market score for real estate agents and brokers, ranking #1,883 of 2,176 scored counties and #73 of 82 scored counties in Illinois. That puts it in the bottom quarter of counties.

Households in Warren County spend about $90.7M a year on rent and homeowner costs, or $13,361 per household, 20% below the U.S. average. Housing spending per office is 51% above the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money real estate agents and brokers take in.

There are 11 real estate agents and brokers on map listings in Warren County as of September 2026. One of them (9%) is a chain location, against 4% across the U.S. Per 10,000 households, that is 16.2, 47% below the U.S. rate of 30.6.

Official counts don’t publish a figure for offices of real estate agents and brokers in Warren County, since they leave out counts under 3. Population estimates put the population change in Warren County from 2020 to 2025 at −3.6%, against +3.1% for the U.S.

How Warren County compares

The same measures for Illinois and the whole U.S. Housing spending per listing divides all rent and homeowner costs by the listings counted: a measure of housing demand for each business, not money any of them take in, so it is shown against the U.S. (100) only. Households per establishment divides households by the official count.

Real estate agents and brokers in Warren County, IL compared with Illinois and the U.S.
MeasureWarren CountyIllinoisU.S.
Listings per 10k households16.225.530.6
Housing spending per listing (U.S. = 100)151107100
Households per official establishmentn/a1,021788
Official establishment growth, 2019–2023n/a+10.8%+20.1%
Population growth, 2020–2025−3.6%−0.6%+3.1%
Spending per household on rent and homeowner costs$13,361$14,866$16,661
Median household income$67,385$83,390$80,734
Groundwork market score3441

Official counts and lending

Businesses

Official establishments, 2019 to 2023
n/a
Employees, 2023
n/a
Annual payroll, 2023
n/a
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
111 chain location
Listings at the U.S. rate for this spending
17The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
0
Amount
$0

SBA-backed loans to businesses classed as offices of real estate agents and brokers in Warren County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.

Population and households in Warren County

Population, 2025 estimate
16,222−3.6% since 2020
Households
6,787
Median age
40.6
Homes lived in by their owners
75%
Vehicles per household
1.8
Land area
542 sq. mi.
People per square mile
30
Median household income
$67,385+33.9% vs. 2015–2019, before inflation
Average household income
$86,803
Median home value
$105,000
Jobs located here
5,893
Daytime population
15,276Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Warren County?

These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the real estate agents and brokers on map listings by name and distance.

Or open the report at the center of Warren County. Signed out, you see a blurred preview; on an account, each report is one action.

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Real estate agents and brokers across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for real estate agents and brokers, numbered among those based in Illinois, with Warren County marked.

Top counties in Illinois

Counties in Illinois ranked for real estate agents and brokers by Groundwork market score
MarketScoreListingsPer 10k householdsHousing spending per listing (U.S. = 100)Population growthU.S. rank
1Henry County, IL69115.4468−2.2%#229 of 2,176
2Woodford County, IL69106.8409−0.8%#232 of 2,176
3Douglas County, IL6879.0282+0.5%#263 of 2,176
4Bureau County, IL6685.7430−2.1%#314 of 2,176
5Clinton County, IL651913.0205+0.6%#355 of 2,176
6Boone County, IL63168.2328+0.4%#409 of 2,176
7Randolph County, IL621210.0240−0.6%#457 of 2,176
8Fulton County, IL61118.0295−2.0%#503 of 2,176
9Kendall County, IL618919.6153+9.9%#530 of 2,176
10Jersey County, IL60911.3231−1.5%#548 of 2,176
73Warren County, IL341116.2151−3.6%#1,883 of 2,176

Other business types in Warren County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many real estate agents and brokers are in Warren County, IL?

As of September 2026, map listings count 11 real estate agents and brokers in Warren County. One of them (9%) is a chain location. The listings count real estate agents and brokerages, commercial brokers included. No official count is published for offices of real estate agents and brokers in Warren County: counts under 3 are left out.

How much do households in Warren County, IL spend on rent and homeowner costs?

About $90.7M a year, or $13,361 per household. That is 20% below the U.S. average (an index of 80, where 100 is the U.S. average). For the 11 real estate agents and brokers on map listings, housing spending per office is 51% above the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money real estate agents and brokers take in. It is estimated from the incomes of the 6,787 households in Warren County and national spending patterns by income.

How does Warren County, IL compare with the U.S. for real estate agents and brokers?

Warren County has 16.2 real estate agents and brokers per 10,000 households, 47% below the U.S. rate of 30.6. The index of housing spending per office is 151, where 100 is the U.S. At the U.S. ratio of real estate agents and brokers to household spending, Warren County would have about 17, against 11 on map listings.

How fast is Warren County, IL growing?

Population estimates put Warren County at 16,222 people in 2025, down 3.6% since 2020, against +3.1% for the U.S. It has 6,787 households. Median household income in Warren County is $67,385, 17% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 33.9%, before inflation.

What is the Groundwork market score?

The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. Warren County scores 34 for real estate agents and brokers (lower middle), #1,883 of 2,176 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Warren County. It maps the real estate agents and brokers on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.

How the score works · Top markets for real estate agents and brokers · All 56 business types in Warren County

Screening a site or an acquisition in Warren County?

A site report maps the competitors on map listings near an address and sizes the households and spending around it.

The button opens the report at the center of Warren County. Signed out, you see a blurred preview; on an account, each report is one action.

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are estimates for research only. Not investment or real estate advice.