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Single Family ResidentialResidential
$50,596$33 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 64How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

866 W SOUTH ST

GALESBURG, IL 61401
1.5
Baths
1,532 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.49 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$51K
$32K low$69K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,689 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$18,230 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,590
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$15,640
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$17,220
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$54,690

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.30
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
10
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
77
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
62
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
3
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyKNOX
Lot (acres)The size of the land the home sits on, from county records.0.49
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Steele SchoolC
Elementary · Grades KG–4 · 0.6 mi
M
Churchill Junior High SchoolC
Middle · Grades 7–8 · 1.1 mi
H
Galesburg High SchoolF
High · Grades 9–12 · 1.4 mi

District: Galesburg Community Unit School District 205

Neighborhood · ZIP 61401These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.28

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.32,439
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.268 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$50,899
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$65,126
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

866 W South St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 84% of homes in Knox County
  • Costs less per square foot than 96% of homes in Galesburg 61401
  • Bigger than 87% of homes in Galesburg 61401
  • Has a bigger lot than 85% of homes in Galesburg 61401
  • Newer than 89% of homes in Galesburg 61401

What homes are worth in Galesburg 61401

Each bar is how many homes fall in that price range. The marker is this home.

This home
$23K$365K

This home is worth more than 19% of homes in Galesburg 61401.

How it measures up in Galesburg 61401

The dot is this home. The mark in the middle is the typical home in Galesburg 61401.

Estimated value$50,596
CheaperTypical $97,118Pricier

Pricier than 19% of homes nearby

Price per ft²$33
CheaperTypical $95Pricier

Pricier than 4% of homes nearby

Living area1,532 ft²
SmallerTypical 1,032 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.49 ac
SmallerTypical 0.25 acBigger

Bigger than 85% of homes nearby

Year built1975
OlderTypical 1933Newer

Newer than 89% of homes nearby

How 866 W South St ranks against every home in each area.
MeasureThis homeGalesburg 61401Knox County
Estimated valuepricier than$50,59619% of homes16% of homes
Price per ft²pricier than$334% of homes4% of homes
Living areabigger than1,532 ft²87% of homes84% of homes
Lot sizebigger than0.49 ac85% of homes71% of homes
Year builtnewer than197589% of homes81% of homes

About 866 W South St

How much is 866 W South St, Galesburg, IL worth?

The TopHap Estimate for 866 W South St, Galesburg, IL is $50,596 as of Sep 24, 2026. The likely range is $32,166 to $69,026. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 866 W South St, Galesburg, IL last sell?

866 W South St, Galesburg, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 866 W South St, Galesburg, IL?

866 W South St, Galesburg, IL has 1.5 bathrooms, 1,532 square feet of living space and a 0.49-acre lot.

When was 866 W South St, Galesburg, IL built?

866 W South St, Galesburg, IL was built in 1975, making it 51 years old. It is a ranch home. The building has 1 story.

What schools serve 866 W South St, Galesburg, IL?

866 W South St, Galesburg, IL is assigned to Steele School (elementary), rated C; Churchill Junior High School (middle), rated C; Galesburg High School (high), rated F. All sit in Galesburg Community Unit School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 866 W South St, Galesburg, IL compare to other homes in Galesburg 61401?

Among the 11,548 homes in Galesburg 61401, it is worth more than 19% of them ($50,596 against a typical $97,118), its price per square foot is higher than 4% of them ($33 against a typical $95), it is bigger than 87% of them (1,532 ft² against a typical 1,032 ft²), its lot is bigger than 85% of them (0.49 ac against a typical 0.25 ac) and it is newer than 89% of them (1975 against a typical 1933). Measured against all of Knox County, it is worth more than 16% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 866 W South St, Galesburg, IL?

The 2025 property tax bill for 866 W South St, Galesburg, IL was $1,689. The county assessed it at $18,230.

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