Groundwork

Real estate · County · Illinois

Real estate businesses in DeKalb County, IL

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

Groundwork market score · out of 100

Score 45 out of 100: Lower middle

Ranked #1,349 of 2,229 scored counties
#45 of 83 scored counties in Illinois

Listings
107
11 chain locations (10%)
Official establishments
34
+3.0% since 2019
Household spending a year
$544.9M
On rent and homeowner costs · $13,777 a household
Housing spending per listing (U.S. = 100)
118
18% above the U.S.
Listings per 10k households
27.1
30% below the U.S.
Population, 2025
101,835
+1.5% since 2020

See the real estate businesses around any address in DeKalb 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 DeKalb 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

Households in DeKalb County spend about $544.9M a year on rent and homeowner costs, or $13,777 per household, 17% below the U.S. average. Housing spending per office is 18% 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.

DeKalb County has 107 real estate businesses on map listings as of September 2026. Of those, 11 are chain locations, or 10%, against 6% across the U.S. That comes to 27.1 for every 10,000 households, 30% below the U.S. rate of 38.5.

Official counts show 34 businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in DeKalb County in 2023, up 3.0% from 2019. That is one for every 1,163 households, against one for every 414 across the U.S. Official counts also show 284 one-person businesses without payroll. Since fiscal 2022, 1 SBA-backed loan worth $255K has gone to businesses classed as real estate agents, property managers, mortgage lenders and inspectors in DeKalb County.

Population estimates put the population change in DeKalb County from 2020 to 2025 at +1.5%, slower than the U.S. (+3.1%). For real estate businesses, DeKalb County has a Groundwork market score of 45 (lower middle): #1,349 of 2,229 scored counties and #45 of 83 scored counties in Illinois.

How DeKalb 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 DeKalb County, IL compared with Illinois and the U.S.
MeasureDeKalb CountyIllinoisU.S.
Listings per 10k households27.132.738.5
Housing spending per listing (U.S. = 100)118105100
Households per official establishment1,163543414
Official establishment growth, 2019–2023+3.0%+4.1%+15.8%
Population growth, 2020–2025+1.5%−0.6%+3.1%
Spending per household on rent and homeowner costs$13,777$14,866$16,661
Median household income$70,724$83,390$80,734
Groundwork market score4543

Official counts and lending

Businesses

Official establishments, 2019 to 2023
33 → 34+3.0% over the period
Employees, 2023
78
Annual payroll, 2023
$4.8M
One-person businesses, 2023
284Businesses with no payroll
Map listings, September 2026
10711 chain locations
Listings at the U.S. rate for this spending
126The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
1
Amount
$255K

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

Population, 2025 estimate
101,835+1.5% since 2020
Households
39,550
Median age
35.2
Homes lived in by their owners
61%
Vehicles per household
1.8
Land area
631 sq. mi.
People per square mile
160
Median household income
$70,724+11.7% vs. 2015–2019, before inflation
Average household income
$90,834
Median home value
$243,600
Jobs located here
34,194
Daytime population
89,501Residents who don’t work, plus everyone whose job is here

Looking at a specific site in DeKalb 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 DeKalb 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 DeKalb 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
45DeKalb County, IL4510727.1118+1.5%#1,349 of 2,229

Other business types in DeKalb County

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

Questions

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

Map listings as of September 2026 show 107 real estate businesses in DeKalb County. 11 of them (10%) are chain locations. The listings count real estate agents and brokers, property managers, mortgage brokers and lenders, and home inspectors. Official counts show 34 businesses with payroll classed as real estate agents, property managers, mortgage lenders and inspectors in 2023, up 3.0% from 2019. Another 284 one-person businesses have no payroll, by official counts.

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

About $544.9M a year, or $13,777 per household. That is 17% below the U.S. average (an index of 83, where 100 is the U.S. average). For the 107 real estate businesses on map listings, housing spending per office is 18% 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 39,550 households in DeKalb County and national spending patterns by income.

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

DeKalb County has 27.1 real estate businesses per 10,000 households, 30% below the U.S. rate of 38.5. The index of housing spending per office is 118, where 100 is the U.S. At the U.S. ratio of real estate businesses to household spending, DeKalb County would have about 126, against 107 on map listings. There is one business with payroll in the industry for every 1,163 households, against one for every 414 across the U.S. The official count rose 3.0% from 2019 to 2023, against +15.8% for the U.S.

How fast is DeKalb County, IL growing?

Population estimates put DeKalb County at 101,835 people in 2025, up 1.5% since 2020, slower than the U.S. (+3.1%). It has 39,550 households. Median household income in DeKalb County is $70,724, 12% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 11.7%, 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. DeKalb County scores 45 for real estate businesses (lower middle), #1,349 of 2,229 scored counties.

How can I see the market around a specific site?

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

Screening a site or an acquisition in DeKalb 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 DeKalb 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.