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Rural ResidenceResidential
$273,889
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 64How 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

20420 STATE ROUTE 142

DAHLGREN, IL 62828
0
Baths
77.53 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$274K
$176K low$372K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$273,889
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$219,111

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,616 (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.$52,333 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,512
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$21,821
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$48,242
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$144,726

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.39
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
86
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
89
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
9
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.Rural Residence
CountyHAMILTON
Lot (acres)The size of the land the home sits on, from county records.77.53
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Dahlgren Elementary SchoolB
Elementary · Grades KG–6 · 1.1 mi
M
Hamilton County Jr/Sr High SchoolC-
Middle · Grades 7–12 · 11.2 mi

District: Hamilton County Community Unit School District 10

Neighborhood · ZIP 62828These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.226

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.1,305
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.15 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,400
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,919
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.59%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

20420 State Route 142 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 85% of homes in Hamilton County
  • Has a bigger lot than 98% of homes in Dahlgren 62828

What homes are worth in Dahlgren 62828

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

This home
$27K$484K

This home is worth more than 80% of homes in Dahlgren 62828.

How it measures up in Dahlgren 62828

The dot is this home. The mark in the middle is the typical home in Dahlgren 62828.

Estimated value$273,889
CheaperTypical $143,510Pricier

Pricier than 80% of homes nearby

Lot size77.53 ac
SmallerTypical 0.8 acBigger

Bigger than 98% of homes nearby

How 20420 State Route 142 ranks against every home in each area.
MeasureThis homeDahlgren 62828Hamilton County
Estimated valuepricier than$273,88980% of homes85% of homes
Lot sizebigger than77.53 ac98% of homes98% of homes

About 20420 State Route 142

How much is 20420 State Route 142, Dahlgren, IL worth?

The TopHap Estimate for 20420 State Route 142, Dahlgren, IL is $273,889 as of Jul 14, 2026. The likely range is $175,772 to $372,006. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20420 State Route 142, Dahlgren, IL last sell?

20420 State Route 142, Dahlgren, IL last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 20420 State Route 142, Dahlgren, IL?

20420 State Route 142, Dahlgren, IL is assigned to Dahlgren Elementary School (elementary), rated B; Hamilton County Jr/Sr High School (middle), rated C-. All sit in Hamilton County Community Unit School District 10. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20420 State Route 142, Dahlgren, IL compare to other homes in Dahlgren 62828?

Among the 780 homes in Dahlgren 62828, it is worth more than 80% of them ($273,889 against a typical $143,510) and its lot is bigger than 98% of them (77.53 ac against a typical 0.8 ac). Measured against all of Hamilton County, it is worth more than 85% 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 20420 State Route 142, Dahlgren, IL?

The 2025 property tax bill for 20420 State Route 142, Dahlgren, IL was $1,616. The county assessed it at $52,333.

Closest homes

More homes in Dahlgren 62828

Assigned schools

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