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Single Family ResidenceResidential
$349,900
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 91How 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

343 PRAIRIE LN

ALTON, IL 62002
0
Baths
2.51 ac
Lot SizeThe size of the land the home sits on, from county records.
Pre-foreclosure (LIS)A foreclosure notice on this home is currently active. Many are worked out before any auction happens.
A foreclosure-related notice has been recorded for this property.

Valuation

$350K
$320K low$380K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,890 (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.$93,536 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,788
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$89,748
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$87,417
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$280,608

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMACOUPIN
Lot (acres)The size of the land the home sits on, from county records.2.51
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.

Foreclosure Filings(1)

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

E
Brighton North Primary School
Elementary · Grades PK–2 · 3.7 mi
H
Southwestern High SchoolB+
High · Grades 9–12 · 8.2 mi
M
Southwestern Middle SchoolC+
Middle · Grades 7–8 · 8.2 mi

District: Southwestern Community Unit School District 9

Neighborhood · ZIP 62002These 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.135
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 100.125

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.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.19%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.28,813
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.738 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,207
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,082
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

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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

343 Prairie Ln 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 96% of homes in Macoupin County
  • Has a bigger lot than 96% of homes in Alton 62002

What homes are worth in Alton 62002

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

This home
$26K$461K

This home is worth more than 95% of homes in Alton 62002.

How it measures up in Alton 62002

The dot is this home. The mark in the middle is the typical home in Alton 62002.

Estimated value$349,900
CheaperTypical $107,565Pricier

Pricier than 95% of homes nearby

Lot size2.51 ac
SmallerTypical 0.19 acBigger

Bigger than 96% of homes nearby

How 343 Prairie Ln ranks against every home in each area.
MeasureThis homeAlton 62002Macoupin County
Estimated valuepricier than$349,90095% of homes96% of homes
Lot sizebigger than2.51 ac96% of homes88% of homes

About 343 Prairie Ln

How much is 343 Prairie Ln, Alton, IL worth?

The TopHap Estimate for 343 Prairie Ln, Alton, IL is $349,900 as of Aug 30, 2026. The likely range is $320,032 to $379,768. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 343 Prairie Ln, Alton, IL last sell?

343 Prairie Ln, Alton, IL last sold on Nov 18, 2021, according to the county's recorded deed.

What schools serve 343 Prairie Ln, Alton, IL?

343 Prairie Ln, Alton, IL is assigned to Brighton North Primary School (elementary); Southwestern High School (high), rated B+; Southwestern Middle School (middle), rated C+. All sit in Southwestern Community Unit School District 9. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 343 Prairie Ln, Alton, IL compare to other homes in Alton 62002?

Among the 12,598 homes in Alton 62002, it is worth more than 95% of them ($349,900 against a typical $107,565) and its lot is bigger than 96% of them (2.51 ac against a typical 0.19 ac). Measured against all of Macoupin County, it is worth more than 96% 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 343 Prairie Ln, Alton, IL?

The 2025 property tax bill for 343 Prairie Ln, Alton, IL was $4,890. The county assessed it at $93,536.

More homes on Prairie Ln

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