Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$100,754
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 38How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

100 W 19TH ST

ALTON, IL 62002
0
Baths
15.74 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$101K
$38K low$164K high

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.52
71
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
33
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
83
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
70
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
4
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.45 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMADISON
Lot (acres)The size of the land the home sits on, from county records.15.73
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
Alton Middle SchoolD
Middle · Grades 6–8 · 1.9 mi
E
Gilson Brown Elementary School
Elementary · Grades KG–1 · 2.5 mi
H
Alton High SchoolD+
High · Grades 9–12 · 2.9 mi

District: Alton Community Unit School District 11

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%

Owner Tools

Do you own this home?
Claim this home

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

100 W 19th 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 80% of homes in Madison County
  • Among the largest lots 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
$29K$461K

This home is worth more than 46% 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$100,754
CheaperTypical $107,229Pricier

Pricier than 46% of homes nearby

Lot size15.74 ac
SmallerTypical 0.19 acBigger

Bigger than almost all homes nearby

How 100 W 19th St ranks against every home in each area.
MeasureThis homeAlton 62002Madison County
Estimated valuepricier than$100,75446% of homes20% of homes
Lot sizebigger than15.74 acalmost all homesalmost all homes

About 100 W 19th St

How much is 100 W 19th St, Alton, IL worth?

The TopHap Estimate for 100 W 19th St, Alton, IL is $100,754 as of Oct 21, 2026. The likely range is $37,947 to $163,561. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 W 19th St, Alton, IL last sell?

100 W 19th St, Alton, IL last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 100 W 19th St, Alton, IL?

100 W 19th St, Alton, IL is assigned to Alton Middle School (middle), rated D; Gilson Brown Elementary School (elementary); Alton High School (high), rated D+. All sit in Alton Community Unit School District 11. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 W 19th St, Alton, IL compare to other homes in Alton 62002?

Among the 12,598 homes in Alton 62002, it is worth more than 46% of them ($100,754 against a typical $107,229) and its lot is bigger than almost all of them (15.74 ac against a typical 0.19 ac). Measured against all of Madison County, it is worth more than 20% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on W 19th St

Closest homes

More homes in Alton 62002

Assigned schools

Explore the area

See this home in context

Open 100 W 19th St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map