Groundwork

Real estate · County · Illinois

Property management companies in Williamson County, IL

How Williamson County, IL compares with other counties and the U.S. for property management companies: competitors, household spending, official counts and growth.

Groundwork market score

Not scored

The score needs at least 5 listings; this market has 4.

Listings
4
0 chain locations (0%)
Official establishments
4
Businesses with payroll, 2023
Household spending a year
$385.2M
On rent and homeowner costs · $13,291 a household
Housing spending per listing (U.S. = 100)
173
73% above the U.S.
Listings per 10k households
1.4
53% below the U.S.
Population, 2025
67,225
+0.2% since 2020

See the property management companies around any address in Williamson County

The site report maps the property management companies 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 Williamson 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

Map listings as of September 2026 show 4 property management companies in Williamson County. Per 10,000 households, that is 1.4, 53% below the U.S. rate of 3.0.

At $13,291 per household (20% below the U.S. average), households in Williamson County spend about $385.2M a year on rent and homeowner costs. Housing spending per company is 73% above the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money property management companies take in.

The official count of businesses with payroll classed as residential and commercial property managers in Williamson County was 4 in 2023. That is one for every 7,246 households, against one for every 1,638 across the U.S.

Between 2020 and 2025, the population of Williamson County grew 0.2%, slower than the U.S. (+3.1%). With 4 property management companies on map listings, Williamson County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.

How Williamson 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.

Property management in Williamson County, IL compared with Illinois and the U.S.
MeasureWilliamson CountyIllinoisU.S.
Listings per 10k households1.42.53.0
Housing spending per listing (U.S. = 100)173105100
Households per official establishment7,2462,4331,638
Official establishment growth, 2019–2023n/a−7.3%+11.4%
Population growth, 2020–2025+0.2%−0.6%+3.1%
Spending per household on rent and homeowner costs$13,291$14,866$16,661
Median household income$65,604$83,390$80,734
Groundwork market scoreNot scored45

Official counts and lending

Businesses

Official establishments, 2019 to 2023
4 → 4
Employees, 2023
8
Annual payroll, 2023
$555K
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
40 chain locations
Listings at the U.S. rate for this spending
7The 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 residential and commercial property managers in Williamson 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 Williamson County

Population, 2025 estimate
67,225+0.2% since 2020
Households
28,983
Median age
42.8
Homes lived in by their owners
71%
Vehicles per household
1.8
Land area
420 sq. mi.
People per square mile
159
Median household income
$65,604+29.3% vs. 2015–2019, before inflation
Average household income
$85,846
Median home value
$156,400
Jobs located here
28,604
Daytime population
68,042Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Williamson 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 property management companies on map listings by name and distance.

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

Free10 actions over 3 days, no card

Property management across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for property management companies, numbered among those based in Illinois, with Williamson County marked.

Top counties in Illinois

Counties in Illinois ranked for property management companies by Groundwork market score
MarketScoreListingsPer 10k householdsHousing spending per listing (U.S. = 100)Population growthU.S. rank
1Kendall County, IL7981.8167+9.9%#41 of 910
2McHenry County, IL75191.6180+2.5%#83 of 910
3Will County, IL74321.3224+2.2%#93 of 910
4Kane County, IL67311.7173+1.8%#171 of 910
5Tazewell County, IL6471.3196−0.9%#214 of 910
6Madison County, IL62171.5165−1.0%#248 of 910
7Lake County, IL59501.9157+0.8%#294 of 910
8Kankakee County, IL5871.7146−1.7%#309 of 910
9Rock Island County, IL5581.3185−1.7%#356 of 910
10Winnebago County, IL53221.9126−0.4%#386 of 910
Williamson County, ILNot scored41.4173+0.2%

Other business types in Williamson County

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

Questions

How many property management companies are in Williamson County, IL?

There are 4 property management companies on map listings in Williamson County as of September 2026. The listings count property management companies. Official counts show 4 businesses with payroll classed as residential and commercial property managers in 2023.

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

About $385.2M a year, or $13,291 per household. That is 20% below the U.S. average (an index of 80, where 100 is the U.S. average). For the 4 property management companies on map listings, housing spending per company is 73% above the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money property management companies take in. It is estimated from the incomes of the 28,983 households in Williamson County and national spending patterns by income.

How does Williamson County, IL compare with the U.S. for property management companies?

Williamson County has 1.4 property management companies per 10,000 households, 53% below the U.S. rate of 3.0. The index of housing spending per company is 173, where 100 is the U.S. At the national ratio of property management companies to household spending, Williamson County would have about 7, against 4 on map listings. There is one business with payroll in the industry for every 7,246 households, against one for every 1,638 across the U.S.

How fast is Williamson County, IL growing?

Population estimates put Williamson County at 67,225 people in 2025, up 0.2% since 2020, slower than the U.S. (+3.1%). It has 28,983 households. The median household income in Williamson County is $65,604 a year, 19% below the U.S. median of $80,734. That rose 29.3% from the 2015–2019 survey, 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. Williamson County has no market score for property management companies: the score needs at least 5 on map listings, and it has 4.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Williamson County. It maps the property management companies 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 property management companies · All 56 business types in Williamson County

Screening a site or an acquisition in Williamson 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 Williamson 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.