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Single Family ResidenceResidential
$279,900$117 / 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 83How 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 $257,500 on Feb 9, 2026

105 CONSTITUTION DR SW

POPLAR GROVE, IL 61065
3
Beds
1
Baths
2,400 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$280K
$232K low$328K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$257,500 · Feb 9, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,675 (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.$67,286 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,390
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$63,896
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$61,729
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$201,858

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Bi-Level
CountyBOONE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2001
Lot (acres)The size of the land the home sits on, from county records.0.23
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
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(3)

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
Caledonia Elementary SchoolC+
Elementary · Grades EE–5 · 1.0 mi
H
Belvidere North High SchoolC-
High · Grades 9–12 · 4.7 mi
M
Belvidere Central Middle SchoolC-
Middle · Grades 6–8 · 5.2 mi

District: Belvidere Consolidated Unit School District 100

Neighborhood · ZIP 61065These 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.84
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 100.42

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.9,293
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.181 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,360
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,864
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%

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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

105 Constitution Dr Sw 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.

  • Costs less per square foot than 83% of homes in Boone County
  • Bigger than 73% of homes in Boone County
  • Has a smaller lot than 93% of homes in Poplar Grove 61065
  • Older than 73% of homes in Poplar Grove 61065

What homes are worth in Poplar Grove 61065

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

This home
$156K$640K

This home is worth more than 50% of homes in Poplar Grove 61065.

How it measures up in Poplar Grove 61065

The dot is this home. The mark in the middle is the typical home in Poplar Grove 61065.

Estimated value$279,900
CheaperTypical $281,382Pricier

Pricier than 50% of homes nearby

Price per ft²$117
CheaperTypical $150Pricier

Pricier than 21% of homes nearby

Living area2,400 ft²
SmallerTypical 1,914 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.23 ac
SmallerTypical 0.29 acBigger

Bigger than 7% of homes nearby

Year built1991
OlderTypical 1997Newer

Newer than 27% of homes nearby

How 105 Constitution Dr Sw ranks against every home in each area.
MeasureThis homePoplar Grove 61065Boone County
Estimated valuepricier than$279,90050% of homes47% of homes
Price per ft²pricier than$11721% of homes17% of homes
Living areabigger than2,400 ft²70% of homes73% of homes
Lot sizebigger than0.23 ac7% of homes26% of homes
Year builtnewer than199127% of homes51% of homes

About 105 Constitution Dr Sw

How much is 105 Constitution Dr Sw, Poplar Grove, IL worth?

The TopHap Estimate for 105 Constitution Dr Sw, Poplar Grove, IL is $279,900 as of Sep 24, 2026. The likely range is $231,765 to $328,035. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 105 Constitution Dr Sw, Poplar Grove, IL last sell?

105 Constitution Dr Sw, Poplar Grove, IL last sold on Feb 9, 2026 for $257,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 105 Constitution Dr Sw, Poplar Grove, IL?

105 Constitution Dr Sw, Poplar Grove, IL has 3 bedrooms, 1 bathrooms, 2,400 square feet of living space and a 0.23-acre lot.

When was 105 Constitution Dr Sw, Poplar Grove, IL built?

105 Constitution Dr Sw, Poplar Grove, IL was built in 1991, making it 35 years old. It is a bi-level home. The building has 1 story.

What schools serve 105 Constitution Dr Sw, Poplar Grove, IL?

105 Constitution Dr Sw, Poplar Grove, IL is assigned to Caledonia Elementary School (elementary), rated C+; Belvidere North High School (high), rated C-; Belvidere Central Middle School (middle), rated C-. All sit in Belvidere Consolidated Unit School District 100. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 105 Constitution Dr Sw, Poplar Grove, IL compare to other homes in Poplar Grove 61065?

Among the 4,096 homes in Poplar Grove 61065, it is worth more than 50% of them ($279,900 against a typical $281,382), its price per square foot is higher than 21% of them ($117 against a typical $150), it is bigger than 70% of them (2,400 ft² against a typical 1,914 ft²), its lot is bigger than 7% of them (0.23 ac against a typical 0.29 ac) and it is newer than 27% of them (1991 against a typical 1997). Measured against all of Boone County, it is worth more than 47% 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 105 Constitution Dr Sw, Poplar Grove, IL?

The 2025 property tax bill for 105 Constitution Dr Sw, Poplar Grove, IL was $4,675. The county assessed it at $67,286.

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Assigned schools

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