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Single Family ResidentialResidential
$108,440$103 / 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 95How 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
Last sold for $50,000 on Jan 7, 2010

1021 CLARK ST

GILSON, IL 61436
0
Baths
1,056 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.
1.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$108K
$102K low$114K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$50,000 · Jan 7, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,348 (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.$28,520 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,920
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$23,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$25,890
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$85,560

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.52
47
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
28
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
78
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
73
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
36
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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
CountyKNOX
Lot (acres)The size of the land the home sits on, from county records.1.55
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

M
Knoxville Jr High SchoolB
Middle · Grades 5–8 · 5.0 mi
E
Mable Woolsey Elementary SchoolB
Elementary · Grades PK–4 · 5.0 mi
H
Knoxville Sr High SchoolC
High · Grades 9–12 · 5.2 mi

District: Knoxville Community Unit School District 202

Neighborhood · ZIP 61436These 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.83
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.30

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.83%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.1,136
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.18 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,763
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,074
Average tempThe average temperature here across a full year.51°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

1021 Clark 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.

  • Has a bigger lot than 86% of homes in Knox County
  • Newer than 78% of homes in Knox County

What homes are worth in Gilson 61436

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

This home
$30K$455K

This home is worth more than 38% of homes in Gilson 61436.

How it measures up in Gilson 61436

The dot is this home. The mark in the middle is the typical home in Gilson 61436.

Estimated value$108,440
CheaperTypical $139,825Pricier

Pricier than 38% of homes nearby

Price per ft²$103
CheaperTypical $118Pricier

Pricier than 42% of homes nearby

Living area1,056 ft²
SmallerTypical 1,136 ft²Bigger

Bigger than 41% of homes nearby

Lot size1.55 ac
SmallerTypical 2.59 acBigger

Bigger than 39% of homes nearby

Year built1973
OlderTypical 1950Newer

Newer than 71% of homes nearby

How 1021 Clark St ranks against every home in each area.
MeasureThis homeGilson 61436Knox County
Estimated valuepricier than$108,44038% of homes51% of homes
Price per ft²pricier than$10342% of homes53% of homes
Living areabigger than1,056 ft²41% of homes48% of homes
Lot sizebigger than1.55 ac39% of homes86% of homes
Year builtnewer than197371% of homes78% of homes

About 1021 Clark St

How much is 1021 Clark St, Gilson, IL worth?

The TopHap Estimate for 1021 Clark St, Gilson, IL is $108,440 as of Sep 24, 2026. The likely range is $102,486 to $114,394. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1021 Clark St, Gilson, IL last sell?

1021 Clark St, Gilson, IL last sold on Jan 7, 2010 for $50,000, according to the county's recorded deed.

How big is 1021 Clark St, Gilson, IL?

1021 Clark St, Gilson, IL has 1,056 square feet of living space and a 1.55-acre lot.

When was 1021 Clark St, Gilson, IL built?

1021 Clark St, Gilson, IL was built in 1973, making it 53 years old. The building has 1 story.

What schools serve 1021 Clark St, Gilson, IL?

1021 Clark St, Gilson, IL is assigned to Knoxville Jr High School (middle), rated B; Mable Woolsey Elementary School (elementary), rated B; Knoxville Sr High School (high), rated C. All sit in Knoxville Community Unit School District 202. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1021 Clark St, Gilson, IL compare to other homes in Gilson 61436?

Among the 407 homes in Gilson 61436, it is worth more than 38% of them ($108,440 against a typical $139,825), its price per square foot is higher than 42% of them ($103 against a typical $118), it is bigger than 41% of them (1,056 ft² against a typical 1,136 ft²), its lot is bigger than 39% of them (1.55 ac against a typical 2.59 ac) and it is newer than 71% of them (1973 against a typical 1950). Measured against all of Knox County, it is worth more than 51% 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 1021 Clark St, Gilson, IL?

The 2025 property tax bill for 1021 Clark St, Gilson, IL was $2,348. The county assessed it at $28,520.

More homes on Clark St

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Assigned schools

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