Skip to content
Skip to content
TopHapOpen in map
Residential - Vacant LandResidential
$180,847
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 84How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $20,000 on Dec 3, 2025

15XX ISLAND AVE

ROCKFORD, IL 61102
0
Baths
3,049 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$181K
$152K low$209K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$20,000 · Dec 3, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14 (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.$187 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$187
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$168
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$561

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.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
26
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
68
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
63
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
31
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.Residential - Vacant Land
CountyWINNEBAGO
Lot (acres)The size of the land the home sits on, from county records.0.70
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
RESA Middle SchoolD
Middle · Grades 6–8 · 0.6 mi
E
Lathrop Elementary SchoolD+
Elementary · Grades KG–5 · 0.6 mi
H
Jefferson High SchoolF
High · Grades 9–12 · 5.4 mi

District: Rockford School District 205

Neighborhood · ZIP 61102These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.41

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.4%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.23%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.17,742
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.531 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$49,970
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$60,941
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

Owner Tools

Do you own this home?
Claim this home

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

15xx Island 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 94% of homes in Swifft
  • Among the smallest lots in Swifft

What homes are worth in Rockford 61102

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

This home
$39K$444K

This home is worth more than 73% of homes in Rockford 61102.

How it measures up in Rockford 61102

The dot is this home. The mark in the middle is the typical home in Rockford 61102.

Estimated value$180,847
CheaperTypical $101,133Pricier

Pricier than 73% of homes nearby

Lot size3,049 ft²
SmallerTypical 0.25 acBigger

Smaller than almost all homes nearby

How 15xx Island Ave ranks against every home in each area.
MeasureThis homeSwifftRockford 61102Winnebago County
Estimated valuepricier than$180,84794% of homes73% of homes38% of homes
Lot sizebigger than3,049 ft²almost no homesalmost no homesalmost no homes

About 15xx Island Ave

How much is 15xx Island Ave, Rockford, IL worth?

The TopHap Estimate for 15xx Island Ave, Rockford, IL is $180,847 as of Jul 14, 2026. The likely range is $152,225 to $209,470. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15xx Island Ave, Rockford, IL last sell?

15xx Island Ave, Rockford, IL last sold on Dec 3, 2025 for $20,000, according to the county's recorded deed.

What schools serve 15xx Island Ave, Rockford, IL?

15xx Island Ave, Rockford, IL is assigned to RESA Middle School (middle), rated D; Lathrop Elementary School (elementary), rated D+; Jefferson High School (high), rated F. All sit in Rockford School District 205. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15xx Island Ave, Rockford, IL compare to other homes in Rockford 61102?

Among the 5,908 homes in Rockford 61102, it is worth more than 73% of them ($180,847 against a typical $101,133) and its lot is bigger than almost none of them (3,049 ft² against a typical 0.25 ac). Measured against all of Winnebago County, it is worth more than 38% 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 15xx Island Ave, Rockford, IL?

The 2025 property tax bill for 15xx Island Ave, Rockford, IL was $14. The county assessed it at $187.

More homes on 15xx Island Ave

Closest homes

More homes in Rockford 61102

Assigned schools

Explore the area

See this home in context

Open 15xx Island Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map