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Single Family ResidenceResidential
$233,887
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 Oct 21, 2026
Last sold for $154,400 on Oct 6, 2016

321 MILL ST

OSCEOLA, WI 54020
0
Baths
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$234K
$221K low$247K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$154,400 · Oct 6, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,319 (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.$227,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$23,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$204,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$227,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$283,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyPolk
Lot (acres)The size of the land the home sits on, from county records.0.23

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
Osceola Elementary School
Elementary · Grades PK–1 · 1.2 mi
M
Osceola Middle SchoolA
Middle · Grades 5–8 · 1.2 mi
H
Osceola High SchoolB
High · Grades 9–12 · 1.3 mi

District: Osceola School District

Neighborhood · ZIP 54020These 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.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.8

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.93%
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.8.0%
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.7,291
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.94 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,713
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,509
Average tempThe average temperature here across a full year.43°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.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

321 Mill 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 74% of homes in Osceola 54020
  • Has a smaller lot than 91% of homes in Polk County

What homes are worth in Osceola 54020

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

This home
$99K$753K

This home is worth more than 26% of homes in Osceola 54020.

How it measures up in Osceola 54020

The dot is this home. The mark in the middle is the typical home in Osceola 54020.

Estimated value$233,887
CheaperTypical $299,522Pricier

Pricier than 26% of homes nearby

Lot size0.23 ac
SmallerTypical 1.82 acBigger

Bigger than 11% of homes nearby

How 321 Mill St ranks against every home in each area.
MeasureThis homeOsceola 54020Polk County
Estimated valuepricier than$233,88726% of homes34% of homes
Lot sizebigger than0.23 ac11% of homes9% of homes

About 321 Mill St

How much is 321 Mill St, Osceola, WI worth?

The TopHap Estimate for 321 Mill St, Osceola, WI is $233,887 as of Oct 21, 2026. The likely range is $221,121 to $246,653. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Mill St, Osceola, WI last sell?

321 Mill St, Osceola, WI last sold on Oct 6, 2016 for $154,400, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 321 Mill St, Osceola, WI?

321 Mill St, Osceola, WI is assigned to Osceola Elementary School (elementary); Osceola Middle School (middle), rated A; Osceola High School (high), rated B. All sit in Osceola School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Mill St, Osceola, WI compare to other homes in Osceola 54020?

Among the 2,824 homes in Osceola 54020, it is worth more than 26% of them ($233,887 against a typical $299,522) and its lot is bigger than 11% of them (0.23 ac against a typical 1.82 ac). Measured against all of Polk County, it is worth more than 34% 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 321 Mill St, Osceola, WI?

The 2025 property tax bill for 321 Mill St, Osceola, WI was $3,319. The county assessed it at $227,900.

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Assigned schools

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