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Single Family ResidentialResidential
$107,299$126 / 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 93How 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

509 MONROE ST

HENRY, IL 61537
0
Baths
852 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.
0.29 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.

Valuation

$107K
$100K low$115K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,034 (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.$29,970 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,606
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$22,364
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$28,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$89,910

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyMARSHALL
Lot (acres)The size of the land the home sits on, from county records.0.29
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.

H
Henry-Senachwine High SchoolB-
High · Grades 9–12 · 0.5 mi
E
Henry-Senachwine Grade SchoolC
Elementary · Grades PK–8 · 0.8 mi

District: Henry-Senachwine Consolidated Unit School District 5

Neighborhood · ZIP 61537These 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.113
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.39

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.2,839
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.51 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,620
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$75,852
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

509 Monroe 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 65% of homes in Marshall County
  • Costs more per square foot than 66% of homes in Henry 61537
  • Smaller than 85% of homes in Henry 61537

What homes are worth in Henry 61537

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

This home
$49K$305K

This home is worth more than 38% of homes in Henry 61537.

How it measures up in Henry 61537

The dot is this home. The mark in the middle is the typical home in Henry 61537.

Estimated value$107,299
CheaperTypical $127,177Pricier

Pricier than 38% of homes nearby

Price per ft²$126
CheaperTypical $105Pricier

Pricier than 66% of homes nearby

Living area852 ft²
SmallerTypical 1,188 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.29 ac
SmallerTypical 0.29 acBigger

Bigger than 50% of homes nearby

Year built1920
OlderTypical 1940Newer

Newer than 45% of homes nearby

How 509 Monroe St ranks against every home in each area.
MeasureThis homeHenry 61537Marshall County
Estimated valuepricier than$107,29938% of homes35% of homes
Price per ft²pricier than$12666% of homes59% of homes
Living areabigger than852 ft²15% of homes15% of homes
Lot sizebigger than0.29 ac50% of homes37% of homes
Year builtnewer than192045% of homes37% of homes

About 509 Monroe St

How much is 509 Monroe St, Henry, IL worth?

The TopHap Estimate for 509 Monroe St, Henry, IL is $107,299 as of Aug 30, 2026. The likely range is $99,554 to $115,044. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Monroe St, Henry, IL last sell?

509 Monroe St, Henry, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 509 Monroe St, Henry, IL?

509 Monroe St, Henry, IL has 852 square feet of living space and a 0.29-acre lot.

When was 509 Monroe St, Henry, IL built?

509 Monroe St, Henry, IL was built in 1920, making it 106 years old. The building has 1 story.

What schools serve 509 Monroe St, Henry, IL?

509 Monroe St, Henry, IL is assigned to Henry-Senachwine High School (high), rated B-; Henry-Senachwine Grade School (elementary), rated C. All sit in Henry-Senachwine Consolidated Unit School District 5. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Monroe St, Henry, IL compare to other homes in Henry 61537?

Among the 1,132 homes in Henry 61537, it is worth more than 38% of them ($107,299 against a typical $127,177), its price per square foot is higher than 66% of them ($126 against a typical $105), it is bigger than 15% of them (852 ft² against a typical 1,188 ft²), its lot is bigger than 50% of them (0.29 ac against a typical 0.29 ac) and it is newer than 45% of them (1920 against a typical 1940). Measured against all of Marshall County, it is worth more than 35% 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 509 Monroe St, Henry, IL?

The 2025 property tax bill for 509 Monroe St, Henry, IL was $2,034. The county assessed it at $29,970.

More homes on Monroe St

Closest homes

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Assigned schools

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