Groundwork

Real estate · County · Illinois

Real estate businesses in Sangamon County, IL

The real estate businesses in Sangamon County, IL, the household spending behind them and how the market ranks against other counties.

Groundwork market score · out of 100

Score 38 out of 100: Lower middle

Ranked #1,723 of 2,229 scored counties
#65 of 83 scored counties in Illinois

Listings
204
9 chain locations (4%)
Official establishments
134
+24.1% since 2019
Household spending a year
$1.2B
On rent and homeowner costs · $14,133 a household
Housing spending per listing (U.S. = 100)
136
36% above the U.S.
Listings per 10k households
24.1
37% below the U.S.
Population, 2025
194,170
−1.0% since 2020

See the real estate businesses around any address in Sangamon County

The site report maps the real estate businesses 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 Sangamon 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

For real estate businesses, Sangamon County has a Groundwork market score of 38 (lower middle): #1,723 of 2,229 scored counties and #65 of 83 scored counties in Illinois. That puts it in the bottom quarter of counties.

Household spending on rent and homeowner costs in Sangamon County comes to about $1.2B a year: $14,133 per household, 15% below the U.S. average. Housing spending per office is 36% above the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money real estate businesses take in.

There are 204 real estate businesses on map listings in Sangamon County as of September 2026. 9 of them (4%) are chain locations, against 6% across the U.S. Per 10,000 households, that is 24.1, 37% below the U.S. rate of 38.5.

The official count of businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in Sangamon County was 134 in 2023, up 24.1% from 2019. That is one for every 633 households, against one for every 414 across the U.S. Since fiscal 2022, 4 SBA-backed loans worth $1.4M have gone to businesses classed as real estate agents, property managers, mortgage lenders and inspectors in Sangamon County. Population estimates show Sangamon County declined 1.0% from 2020 to 2025, against +3.1% for the U.S.

How Sangamon 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 in Sangamon County, IL compared with Illinois and the U.S.
MeasureSangamon CountyIllinoisU.S.
Listings per 10k households24.132.738.5
Housing spending per listing (U.S. = 100)136105100
Households per official establishment633543414
Official establishment growth, 2019–2023+24.1%+4.1%+15.8%
Population growth, 2020–2025−1.0%−0.6%+3.1%
Spending per household on rent and homeowner costs$14,133$14,866$16,661
Median household income$75,357$83,390$80,734
Groundwork market score3843

Official counts and lending

Businesses

Official establishments, 2019 to 2023
108 → 134+24.1% over the period
Employees, 2023
381
Annual payroll, 2023
$19.5M
One-person businesses, 2023
564Businesses with no payroll
Map listings, September 2026
2049 chain locations
Listings at the U.S. rate for this spending
277The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
4
Amount
$1.4M

SBA-backed loans to businesses classed as real estate agents, property managers, mortgage lenders and inspectors in Sangamon 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 Sangamon County

Population, 2025 estimate
194,170−1.0% since 2020
Households
84,762
Median age
41.8
Homes lived in by their owners
71%
Vehicles per household
1.7
Land area
868 sq. mi.
People per square mile
225
Median household income
$75,357+21.7% vs. 2015–2019, before inflation
Average household income
$100,226
Median home value
$176,300
Jobs located here
128,055
Daytime population
233,017Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Sangamon 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 businesses on map listings by name and distance.

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

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Real estate across Illinois

Every Illinois market ranked →

The highest-scoring counties in Illinois for real estate businesses, numbered among those based in Illinois, with Sangamon County marked.

Top counties in Illinois

Counties in Illinois ranked for real estate businesses by Groundwork market score
MarketScoreListingsPer 10k householdsHousing spending per listing (U.S. = 100)Population growthU.S. rank
1Woodford County, IL70106.8514−0.8%#199 of 2,229
2Boone County, IL67199.8348+0.4%#286 of 2,229
3Douglas County, IL671114.2226+0.5%#304 of 2,229
4Henry County, IL66167.9405−2.2%#326 of 2,229
5Bureau County, IL66117.8394−2.1%#327 of 2,229
6Randolph County, IL641310.9279−0.6%#395 of 2,229
7Piatt County, IL641217.3201+0.6%#414 of 2,229
8Clinton County, IL632215.1223+0.6%#448 of 2,229
9Fulton County, IL62139.4314−2.0%#481 of 2,229
10Shelby County, IL61910.1304−1.6%#527 of 2,229
65Sangamon County, IL3820424.1136−1.0%#1,723 of 2,229

Other business types in Sangamon County

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

Questions

How many real estate businesses are in Sangamon County, IL?

As of September 2026, map listings count 204 real estate businesses in Sangamon County. 9 of them (4%) are chain locations. The listings count real estate agents and brokers, property managers, mortgage brokers and lenders, and home inspectors. Official counts show 134 businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in 2023, up 24.1% from 2019. Another 564 one-person businesses have no payroll, by official counts.

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

About $1.2B a year, or $14,133 per household. That is 15% below the U.S. average (an index of 85, where 100 is the U.S. average). For the 204 real estate businesses on map listings, housing spending per office is 36% 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 businesses take in. It is estimated from the incomes of the 84,762 households in Sangamon County and national spending patterns by income.

How does Sangamon County, IL compare with the U.S. for real estate businesses?

Sangamon County has 24.1 real estate businesses per 10,000 households, 37% below the U.S. rate of 38.5. The index of housing spending per office is 136, where 100 is the U.S. At the U.S. ratio of real estate businesses to household spending, Sangamon County would have about 277, against 204 on map listings. There is one business with payroll in the industry for every 633 households, against one for every 414 across the U.S. The official count rose 24.1% from 2019 to 2023, against +15.8% for the U.S.

How fast is Sangamon County, IL growing?

Population estimates put Sangamon County at 194,170 people in 2025, down 1.0% since 2020, against +3.1% for the U.S. It has 84,762 households. Median household income in Sangamon County is $75,357, 7% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 21.7%, 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. Sangamon County scores 38 for real estate businesses (lower middle), #1,723 of 2,229 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Sangamon County. It maps the real estate businesses 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 businesses · All 56 business types in Sangamon County

Screening a site or an acquisition in Sangamon 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 Sangamon 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.