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Single Family ResidenceResidential
$359,801$333 / 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 95How 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

220 E ILLINOIS ST

SPEARFISH, SD 57783
4
Baths
1,080 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.
3,485 ft²
Lot SizeThe size of the land the home sits on, from county records.
1942
Year BuiltThe year the home was originally built, according to county records.

Valuation

$360K
$343K low$377K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,690 (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.$270,340 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$38,790
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$231,550
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$258,360
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$232,960

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyLAWRENCE
Lot (acres)The size of the land the home sits on, from county records.0.08
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
Spearfish Middle School - 05B-
Middle · Grades 6–8 · 0.7 mi
E
West Elementary - 03
Elementary · Grades 1–2 · 0.8 mi
H
Spearfish High School - 01C+
High · Grades 9–12 · 0.8 mi

District: Spearfish School District 40-2

Neighborhood · ZIP 57783These 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.86
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
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.92%
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.8.4%
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.17,419
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.84 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,002
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$88,688
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.24 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.63%

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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

220 E Illinois 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 81% of homes in Spearfish 57783
  • Smaller than 76% of homes in Spearfish 57783
  • Has a smaller lot than 90% of homes in Spearfish 57783
  • Older than 92% of homes in Spearfish 57783

What homes are worth in Spearfish 57783

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

This home
$271K$1.4M

This home is worth more than 19% of homes in Spearfish 57783.

How it measures up in Spearfish 57783

The dot is this home. The mark in the middle is the typical home in Spearfish 57783.

Estimated value$359,801
CheaperTypical $491,729Pricier

Pricier than 19% of homes nearby

Price per ft²$333
CheaperTypical $346Pricier

Pricier than 44% of homes nearby

Living area1,080 ft²
SmallerTypical 1,379 ft²Bigger

Bigger than 24% of homes nearby

Lot size3,485 ft²
SmallerTypical 0.29 acBigger

Bigger than 10% of homes nearby

Year built1942
OlderTypical 1995Newer

Newer than 8% of homes nearby

How 220 E Illinois St ranks against every home in each area.
MeasureThis homeSpearfish 57783Lawrence County
Estimated valuepricier than$359,80119% of homes25% of homes
Price per ft²pricier than$33344% of homes43% of homes
Living areabigger than1,080 ft²24% of homes26% of homes
Lot sizebigger than3,485 ft²10% of homes10% of homes
Year builtnewer than19428% of homes19% of homes

About 220 E Illinois St

How much is 220 E Illinois St, Spearfish, SD worth?

The TopHap Estimate for 220 E Illinois St, Spearfish, SD is $359,801 as of Sep 24, 2026. The likely range is $342,712 to $376,890. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 220 E Illinois St, Spearfish, SD last sell?

220 E Illinois St, Spearfish, SD last sold on Apr 17, 2014, according to the county's recorded deed.

How big is 220 E Illinois St, Spearfish, SD?

220 E Illinois St, Spearfish, SD has 4 bathrooms, 1,080 square feet of living space and a 0.08-acre lot.

When was 220 E Illinois St, Spearfish, SD built?

220 E Illinois St, Spearfish, SD was built in 1942, making it 84 years old.

What schools serve 220 E Illinois St, Spearfish, SD?

220 E Illinois St, Spearfish, SD is assigned to Spearfish Middle School - 05 (middle), rated B-; West Elementary - 03 (elementary); Spearfish High School - 01 (high), rated C+. All sit in Spearfish School District 40-2. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 220 E Illinois St, Spearfish, SD compare to other homes in Spearfish 57783?

Among the 7,135 homes in Spearfish 57783, it is worth more than 19% of them ($359,801 against a typical $491,729), its price per square foot is higher than 44% of them ($333 against a typical $346), it is bigger than 24% of them (1,080 ft² against a typical 1,379 ft²), its lot is bigger than 10% of them (3,485 ft² against a typical 0.29 ac) and it is newer than 8% of them (1942 against a typical 1995). Measured against all of Lawrence County, it is worth more than 25% 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 220 E Illinois St, Spearfish, SD?

The 2025 property tax bill for 220 E Illinois St, Spearfish, SD was $2,690. The county assessed it at $270,340.

More homes on E Illinois St

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