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Single Family ResidenceResidential
$43,705$42 / 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 69How 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

255 S MADISON ST

THOMPSON, IA 50478
2
Baths
1,037 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.
1920
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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

$44K
$30K low$57K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$794 (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.$47,860 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,160
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$48,220
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$47,860

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.A-Frame
CountyWINNEBAGO
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)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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 · 48 ft²Patio · 108 ft²

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

E
North Iowa Elementary Buffalo CenterB
Elementary · Grades PK–5 · 9.2 mi
M
North Iowa Middle SchoolC+
Middle · Grades 6–8 · 9.2 mi
H
North Iowa High SchoolC-
High · Grades 9–12 · 9.2 mi

District: North Iowa Community School District

Neighborhood · ZIP 50478These 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.167
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.10

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.6%
PopulationHow many people live in this area.914
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,570
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$82,028
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.32 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.61%

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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

255 S Madison 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 95% of homes in Winnebago County
  • Costs less per square foot than 94% of homes in Winnebago County
  • Smaller than 81% of homes in Winnebago County
  • Has a smaller lot than 73% of homes in Thompson 50478
  • Older than 70% of homes in Winnebago County

What homes are worth in Thompson 50478

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

This home
$22K$440K

This home is worth more than 20% of homes in Thompson 50478.

How it measures up in Thompson 50478

The dot is this home. The mark in the middle is the typical home in Thompson 50478.

Estimated value$43,705
CheaperTypical $79,836Pricier

Pricier than 20% of homes nearby

Price per ft²$42
CheaperTypical $59Pricier

Pricier than 24% of homes nearby

Living area1,037 ft²
SmallerTypical 1,363 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.23 ac
SmallerTypical 0.37 acBigger

Bigger than 27% of homes nearby

Year built1920
OlderTypical 1937Newer

Newer than 40% of homes nearby

How 255 S Madison St ranks against every home in each area.
MeasureThis homeThompson 50478Winnebago County
Estimated valuepricier than$43,70520% of homes5% of homes
Price per ft²pricier than$4224% of homes6% of homes
Living areabigger than1,037 ft²24% of homes19% of homes
Lot sizebigger than0.23 ac27% of homes40% of homes
Year builtnewer than192040% of homes30% of homes

About 255 S Madison St

How much is 255 S Madison St, Thompson, IA worth?

The TopHap Estimate for 255 S Madison St, Thompson, IA is $43,705 as of Sep 24, 2026. The likely range is $30,324 to $57,086. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 255 S Madison St, Thompson, IA last sell?

255 S Madison St, Thompson, IA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 255 S Madison St, Thompson, IA?

255 S Madison St, Thompson, IA has 2 bathrooms, 1,037 square feet of living space and a 0.23-acre lot.

When was 255 S Madison St, Thompson, IA built?

255 S Madison St, Thompson, IA was built in 1920, making it 106 years old. It is a a-frame home. The building has 1 story.

What schools serve 255 S Madison St, Thompson, IA?

255 S Madison St, Thompson, IA is assigned to North Iowa Elementary Buffalo Center (elementary), rated B; North Iowa Middle School (middle), rated C+; North Iowa High School (high), rated C-. All sit in North Iowa Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 255 S Madison St, Thompson, IA compare to other homes in Thompson 50478?

Among the 418 homes in Thompson 50478, it is worth more than 20% of them ($43,705 against a typical $79,836), its price per square foot is higher than 24% of them ($42 against a typical $59), it is bigger than 24% of them (1,037 ft² against a typical 1,363 ft²), its lot is bigger than 27% of them (0.23 ac against a typical 0.37 ac) and it is newer than 40% of them (1920 against a typical 1937). Measured against all of Winnebago County, it is worth more than 5% 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 255 S Madison St, Thompson, IA?

The 2025 property tax bill for 255 S Madison St, Thompson, IA was $794. The county assessed it at $47,860.

More homes on S Madison St

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More homes in Thompson 50478

Assigned schools

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