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Residential (General/Single)Residential
$166,668
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 70How 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

503 SW 4TH ST

ALEDO, IL 61231
0
Baths
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$167K
$117K low$216K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,103 (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.$34,780 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,730
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$31,050
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$32,230
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$104,340

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyMERCER
Lot (acres)The size of the land the home sits on, from county records.0.17
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.

M
Mercer County Jr High SchoolD+
Middle · Grades 6–8 · 0.3 mi
E
Apollo Elementary SchoolC+
Elementary · Grades KG–5 · 0.4 mi
H
Mercer County High SchoolC
High · Grades 9–12 · 0.7 mi

District: Mercer County School District 404

Neighborhood · ZIP 61231These 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.130
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 100.32

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.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.5,892
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.39 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,298
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,604
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.55%

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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

503 Sw 4th 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.

  • Has a smaller lot than 89% of homes in Mercer County

What homes are worth in Aledo 61231

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

This home
$85K$529K

This home is worth more than 63% of homes in Aledo 61231.

How it measures up in Aledo 61231

The dot is this home. The mark in the middle is the typical home in Aledo 61231.

Estimated value$166,668
CheaperTypical $141,992Pricier

Pricier than 63% of homes nearby

Lot size0.17 ac
SmallerTypical 0.35 acBigger

Bigger than 24% of homes nearby

How 503 Sw 4th St ranks against every home in each area.
MeasureThis homeAledo 61231Mercer County
Estimated valuepricier than$166,66863% of homes61% of homes
Lot sizebigger than0.17 ac24% of homes11% of homes

About 503 Sw 4th St

How much is 503 Sw 4th St, Aledo, IL worth?

The TopHap Estimate for 503 Sw 4th St, Aledo, IL is $166,668 as of Sep 24, 2026. The likely range is $116,985 to $216,351. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 Sw 4th St, Aledo, IL last sell?

503 Sw 4th St, Aledo, IL last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 503 Sw 4th St, Aledo, IL?

503 Sw 4th St, Aledo, IL is assigned to Mercer County Jr High School (middle), rated D+; Apollo Elementary School (elementary), rated C+; Mercer County High School (high), rated C. All sit in Mercer County School District 404. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 503 Sw 4th St, Aledo, IL compare to other homes in Aledo 61231?

Among the 2,314 homes in Aledo 61231, it is worth more than 63% of them ($166,668 against a typical $141,992) and its lot is bigger than 24% of them (0.17 ac against a typical 0.35 ac). Measured against all of Mercer County, it is worth more than 61% 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 503 Sw 4th St, Aledo, IL?

The 2025 property tax bill for 503 Sw 4th St, Aledo, IL was $2,103. The county assessed it at $34,780.

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Assigned schools

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