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Boone County

CountyThe kind of area this report covers. Neighborhood areas nest inside each other, from broad districts down to small pockets.IllinoisBalanced market
Market temperatureA 0 to 100 score comparing this area with every similar area nationwide each month. 0 is the strongest buyer's market, 100 the strongest seller's market.Balanced market · 44
Buyer's marketBalancedSeller's market
$257K
Median sale priceThe middle sale price each month, counting normal open-market sales. The average runs above the median when a few expensive sales pull it up. Bars show how many homes sold.
-2.2%
1-yr changeHow much prices and sales counts changed since the same time last year, using a 3-month average to smooth out noise. Above the dashed line means growth.
621
Sales (12 mo)How many homes sold here in the last 12 months. More sales make the other numbers more reliable.
$286K
Median valueThe middle estimated value of all homes here, not just the ones that recently sold.

Deed records through May 2026Counties take time to publish deeds, so the newest months can be incomplete and may shift as more records arrive.

Market Trends

Market temperature (0–100)How the 0 to 100 market score moved over time. It blends price growth, sales pace, how often homes change hands, and seller profits.Temperature
20162018201920202022202320242026
Sale pricesThe middle sale price each month, counting normal open-market sales. The average runs above the median when a few expensive sales pull it up. Bars show how many homes sold.MedianSales
20162018201920202022202320242026
Growth (year over year)How much prices and sales counts changed since the same time last year, using a 3-month average to smooth out noise. Above the dashed line means growth.PriceSales
20162018201920202022202320242026
Price per square footThe middle price per square foot, for sales where the size is known. It adjusts for homes being different sizes.$/ft²
20162018201920202022202320242026
Sale premium vs estimated valueHow sale prices compare with our estimated values at the time of sale. Above the dashed line, homes sold for more than the models expected — a sign of competitive bidding. Below it, buyers paid under model value.Premium
20162018201920202022202320242026
Annual turnover (share of homes sold)The share of all homes here that sold in the trailing 12 months. Higher turnover means a more liquid market where homes trade hands more often.Turnover
20162018201920202022202320242026
Buyer mixWho is buying. Cash means no mortgage was recorded, investor means the buyer looked like an investor, and flip means the home resold within a year.CashInvestorFlip resale
20162018201920202022202320242026
Financing (share of purchase price)For buyers who borrowed: the middle share of the price they financed, and the middle share they paid up front.Loan (LTV)Down payment
20162018201920202022202320242026
Sellers who sold at a gainThe share of sellers each month who sold for more than they originally paid.Sold at gain
20162018201920202022202320242026
Typical hold before sellingThe middle number of years sellers owned their home before selling.Median hold
20162018201920202022202320242026
Median annualized return at resaleThe middle yearly gain sellers earned, spread across the years they owned the home. Only counts homes held at least a year.Annualized gain
20162018201920202022202320242026
Preforeclosure filingsForeclosure notices filed each month. A rise can be an early sign that more owners are struggling. Auction stage counts the filings that reached a scheduled foreclosure auction.FilingsAuction stage
20162018201920202022202320252026

Housing Stock

HomesHow many homes we have records for in this area.19,032
Median value (AVM)The middle estimated value of all homes here, not just the ones that recently sold.$286K
Median sizeThe middle home size here, measured in square feet.1,821 ft²
Median bedroomsThe middle bedroom count for homes here.3
Median year builtThe middle build year for homes here. A recent year means most housing is newer.1991
Single familyThe share of homes here that are single-family houses.90%
CondosThe share of homes here that are condos.3.2%

Equity & Ownership

Equity rich (LTV ≤ 50%)The share of owners who owe half or less of what their home is worth, meaning they hold a lot of equity.56%
Underwater (LTV ≥ 125%)The share of owners who owe at least 25% more than their home is worth.1.4%
Owner occupiedThe share of homes lived in by their owner rather than rented out or left empty.83%
Company ownedThe share of homes owned by a company or trust instead of a person.18%
Median loan-to-valueThe middle share of home value still owed on loans across all owners here.45%
Typical ownership tenureHow long the typical owner here has held their home.17.9 yrs

CommunityThese are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.95
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.53,519
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.191 / mi²
Median household incomeThe middle household income here — half of households earn more, half earn less.$83K
Average household incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103K
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

Market metrics are derived from recorded arms-length deeds and refreshed nightly. Temperature blends price momentum, sales velocity, turnover and resale outcomes, ranked against all countys nationally.

How Boone County compares

By median home value, Boone County is the 10th most expensive of 102 counties in Illinois, and its typical home is worth more than 50% of all homes in Illinois.

Home values in Boone County

Share of homes at each estimated value.

Median
$122K$743K
counties in Illinois ranked by median home value
#IllinoisMedian valueHomes
1DuPage County$446K297,356
2Lake County$403K226,612
3Kendall County$394K45,922
4Kane County$379K163,429
5Will County$371K227,101
6McHenry County$364K113,307
7Cook County$339K1,499,385
8Grundy County$321K18,844
9Monroe County$300K14,074
10Boone County$286K19,032
11DeKalb County$285K29,591
12McLean County$247K53,512
13Jo Daviess County$242K11,021
14Woodford County$241K15,076
15Effingham County$231K13,430
16Champaign County$230K56,857
17Menard County$228K3,534
18Piatt County$221K6,994
19Ogle County$215K18,494
20Kankakee County$212K36,249
21Clinton County$203K15,559
22Winnebago County$202K98,185
23Sangamon County$190K72,174
24Putnam County$183K2,919

102 counties in Illinois are ranked; the most valuable are listed here.

Markets in Boone County, most valuable first

About the Boone County market

What is the median home price in Boone County, IL?

The median sale price in Boone County, IL is $257,000 (data through May 2026), based on deeds recorded with the county. That is down 2.2% from a year earlier.

How many homes sell in Boone County, IL each year?

621 homes sold in Boone County, IL over the last 12 months (data through May 2026). TopHap counts recorded arm's-length deeds, not listings, so the figure is not affected by which brokerage handled the sale.

Is Boone County, IL a buyer's or seller's market?

Boone County, IL is currently a balanced market, scoring 44 out of 100 on TopHap's market temperature index (data through May 2026). The score weighs sales velocity and price direction; above 60 favours sellers, below 40 favours buyers.

How many homes are there in Boone County, IL?

Boone County, IL contains 19,032 residential properties, with a median of 1,821 square feet, 3 bedrooms, built around 1991. The median TopHap Estimate is $286K.

How does Boone County, IL compare to the rest of Illinois?

By median home value, Boone County, IL is the 10th most expensive of 102 counties in Illinois. Its typical home is worth more than 50% of all homes in Illinois. Monroe County ranks just above it and DeKalb County just below. The ranking is rebuilt nightly from the county assessor record of every home in each area.

Do people own or rent in Boone County, IL?

83% of homes in Boone County, IL are owner-occupied. 18% are held by a company rather than an individual.

How much equity do owners in Boone County, IL hold?

56% of mortgaged homes in Boone County, IL are equity-rich, meaning the loan balance is under half the home's value. 1.4% owe more than the home is worth.

Browse addresses

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Explore Boone County on the map

See every recorded sale, price heat map, school zone and flood overlay across Boone County in TopHap’s interactive 3D map.

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A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
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