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Single Family ResidenceResidential
$278,630$197 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $152,500 on Dec 31, 2019

921 ARMSTRONG AVE

ROCKTON, IL 61072
3
Beds
2
Baths
1,415 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
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.

Valuation

$279K
$268K low$289K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$152,500 · Dec 31, 2019

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$73,828 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,438
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$60,390
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$67,559
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$221,484

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWINNEBAGO
Lot (acres)The size of the land the home sits on, from county records.0.24
HeatingThe type of heating system in the home.Gas
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
Rockton Elementary School
Elementary · Grades PK–2 · 0.2 mi
H
Hononegah Chd High SchoolC
High · Grades 9–12 · 0.4 mi
M
Stephen Mack Middle SchoolB+
Middle · Grades 6–8 · 1.5 mi

District: Hononegah Community High School District 207

Neighborhood · ZIP 61072These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.33

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.96%
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.5.3%
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.11,070
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.189 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,244
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,573
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.52%

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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

921 Armstrong Ave 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 more than 75% of homes in Winnebago County
  • Costs more per square foot than 89% of homes in Winnebago County
  • Has a smaller lot than 94% of homes in Rockton 61072
  • Newer than 81% of homes in Winnebago County

What homes are worth in Rockton 61072

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

This home
$134K$537K

This home is worth more than 43% of homes in Rockton 61072.

How it measures up in Rockton 61072

The dot is this home. The mark in the middle is the typical home in Rockton 61072.

Estimated value$278,630
CheaperTypical $291,730Pricier

Pricier than 43% of homes nearby

Price per ft²$197
CheaperTypical $208Pricier

Pricier than 40% of homes nearby

Living area1,415 ft²
SmallerTypical 1,354 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.24 ac
SmallerTypical 0.44 acBigger

Bigger than 6% of homes nearby

Year built1994
OlderTypical 1992Newer

Newer than 59% of homes nearby

How 921 Armstrong Ave ranks against every home in each area.
MeasureThis homeRockton 61072Winnebago County
Estimated valuepricier than$278,63043% of homes75% of homes
Price per ft²pricier than$19740% of homes89% of homes
Living areabigger than1,415 ft²58% of homes40% of homes
Lot sizebigger than0.24 ac6% of homes39% of homes
Year builtnewer than199459% of homes81% of homes

About 921 Armstrong Ave

How much is 921 Armstrong Ave, Rockton, IL worth?

The TopHap Estimate for 921 Armstrong Ave, Rockton, IL is $278,630 as of Aug 30, 2026. The likely range is $267,881 to $289,379. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 921 Armstrong Ave, Rockton, IL last sell?

921 Armstrong Ave, Rockton, IL last sold on Dec 31, 2019 for $152,500, according to the county's recorded deed.

How big is 921 Armstrong Ave, Rockton, IL?

921 Armstrong Ave, Rockton, IL has 3 bedrooms, 2 bathrooms, 1,415 square feet of living space and a 0.24-acre lot.

When was 921 Armstrong Ave, Rockton, IL built?

921 Armstrong Ave, Rockton, IL was built in 1994, making it 32 years old. The building has 1 story.

What schools serve 921 Armstrong Ave, Rockton, IL?

921 Armstrong Ave, Rockton, IL is assigned to Rockton Elementary School (elementary); Hononegah Chd High School (high), rated C; Stephen Mack Middle School (middle), rated B+. All sit in Hononegah Community High School District 207. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 921 Armstrong Ave, Rockton, IL compare to other homes in Rockton 61072?

Among the 4,008 homes in Rockton 61072, it is worth more than 43% of them ($278,630 against a typical $291,730), its price per square foot is higher than 40% of them ($197 against a typical $208), it is bigger than 58% of them (1,415 ft² against a typical 1,354 ft²), its lot is bigger than 6% of them (0.24 ac against a typical 0.44 ac) and it is newer than 59% of them (1994 against a typical 1992). Measured against all of Winnebago County, it is worth more than 75% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Armstrong Ave

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Assigned schools

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