Groundwork

Real estate · County · Illinois

Real estate agents and brokers in Knox County, IL

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

Groundwork market score · out of 100

Score 55 out of 100: Upper middle

Ranked #770 of 2,176 scored counties
#17 of 82 scored counties in Illinois

Listings
17
1 chain location (6%)
Official establishments
7
Businesses with payroll, 2023
Household spending a year
$261.4M
On rent and homeowner costs · $12,465 a household
Housing spending per listing (U.S. = 100)
282
2.8 times the U.S.
Listings per 10k households
8.1
74% below the U.S.
Population, 2025
47,767
−4.1% since 2020

See the real estate agents and brokers around any address in Knox 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 Knox 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

At $12,465 per household (25% below the U.S. average), households in Knox County spend about $261.4M a year on rent and homeowner costs. Housing spending per office is 2.8 times 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 17 real estate agents and brokers on map listings in Knox County as of September 2026. One of them (6%) is a chain location, against 4% across the U.S. That is 8.1 per 10,000 households, 74% below the U.S. rate of 30.6.

In 2023, official counts showed 7 businesses with payroll in Knox County classed as offices of real estate agents and brokers. That is one for every 2,996 households, against one for every 788 across the U.S.

Population estimates show Knox County declined 4.1% from 2020 to 2025, against +3.1% for the U.S. For real estate agents and brokers, Knox County has a Groundwork market score of 55 (upper middle): #770 of 2,176 scored counties and #17 of 82 scored counties in Illinois.

How Knox 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 Knox County, IL compared with Illinois and the U.S.
MeasureKnox CountyIllinoisU.S.
Listings per 10k households8.125.530.6
Housing spending per listing (U.S. = 100)282107100
Households per official establishment2,9961,021788
Official establishment growth, 2019–2023n/a+10.8%+20.1%
Population growth, 2020–2025−4.1%−0.6%+3.1%
Spending per household on rent and homeowner costs$12,465$14,866$16,661
Median household income$57,030$83,390$80,734
Groundwork market score5541

Official counts and lending

Businesses

Official establishments, 2019 to 2023
7 → 7
Employees, 2023
18
Annual payroll, 2023
$830K
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
171 chain location
Listings at the U.S. rate for this spending
48The 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 Knox 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 Knox County

Population, 2025 estimate
47,767−4.1% since 2020
Households
20,972
Median age
42.6
Homes lived in by their owners
71%
Vehicles per household
1.7
Land area
716 sq. mi.
People per square mile
68
Median household income
$57,030+29.2% vs. 2015–2019, before inflation
Average household income
$74,560
Median home value
$111,900
Jobs located here
15,910
Daytime population
44,318Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Knox 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 Knox 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 Knox 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
17Knox County, IL55178.1282−4.1%#770 of 2,176

Other business types in Knox 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 Knox County, IL?

As of September 2026, map listings count 17 real estate agents and brokers in Knox County. One of them (6%) is a chain location. The listings count real estate agents and brokerages, commercial brokers included. Official counts show 7 businesses with payroll classed as offices of real estate agents and brokers in 2023.

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

About $261.4M a year, or $12,465 per household. That is 25% below the U.S. average (an index of 75, where 100 is the U.S. average). For the 17 real estate agents and brokers on map listings, housing spending per office is 2.8 times 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 20,972 households in Knox County and national spending patterns by income.

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

Knox County has 8.1 real estate agents and brokers per 10,000 households, 74% below the U.S. rate of 30.6. The index of housing spending per office is 282, where 100 is the U.S. At the U.S. ratio of real estate agents and brokers to household spending, Knox County would have about 48, against 17 on map listings. There is one business with payroll in the industry for every 2,996 households, against one for every 788 across the U.S.

How fast is Knox County, IL growing?

Population estimates put Knox County at 47,767 people in 2025, down 4.1% since 2020, against +3.1% for the U.S. It has 20,972 households. Median household income in Knox County is $57,030, 29% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.2%, 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. Knox County scores 55 for real estate agents and brokers (upper middle), #770 of 2,176 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Knox 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 Knox County

Screening a site or an acquisition in Knox 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 Knox 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.