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Single Family ResidenceResidential
$148,023$88 / 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 62How 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

3400 COUNTY ROAD 21

DEMOPOLIS, AL 36732
1
Baths
1,688 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.
9.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$148K
$92K low$204K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$315 (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.$10,920 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$9,620
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$10,920
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$132,660

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMarengo
Lot (acres)The size of the land the home sits on, from county records.9.43
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.None
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 275 ft²

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

E
Amelia L Johnson High SchoolD+
Elementary · Grades PK–12 · 16.7 mi

District: Marengo County School District

Neighborhood · ZIP 36732These 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.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.61
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.7,694
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.49 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$54,774
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,396
Average tempThe average temperature here across a full year.64°F
Annual precipHow much rain and melted snow falls here in a typical year.57 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

3400 County Road 21 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 bigger lot than 95% of homes in Demopolis 36732
  • Older than 70% of homes in Marengo County

What homes are worth in Demopolis 36732

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

This home
$40K$359K

This home is worth more than 52% of homes in Demopolis 36732.

How it measures up in Demopolis 36732

The dot is this home. The mark in the middle is the typical home in Demopolis 36732.

Estimated value$148,023
CheaperTypical $144,434Pricier

Pricier than 52% of homes nearby

Price per ft²$88
CheaperTypical $98Pricier

Pricier than 43% of homes nearby

Living area1,688 ft²
SmallerTypical 1,458 ft²Bigger

Bigger than 64% of homes nearby

Lot size9.43 ac
SmallerTypical 0.34 acBigger

Bigger than 95% of homes nearby

Year built1956
OlderTypical 1975Newer

Newer than 35% of homes nearby

How 3400 County Road 21 ranks against every home in each area.
MeasureThis homeDemopolis 36732Marengo County
Estimated valuepricier than$148,02352% of homes59% of homes
Price per ft²pricier than$8843% of homes53% of homes
Living areabigger than1,688 ft²64% of homes64% of homes
Lot sizebigger than9.43 ac95% of homes84% of homes
Year builtnewer than195635% of homes30% of homes

About 3400 County Road 21

How much is 3400 County Road 21, Demopolis, AL worth?

The TopHap Estimate for 3400 County Road 21, Demopolis, AL is $148,023 as of Aug 30, 2026. The likely range is $91,704 to $204,342. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3400 County Road 21, Demopolis, AL last sell?

3400 County Road 21, Demopolis, AL last sold on Aug 6, 2003, according to the county's recorded deed.

How big is 3400 County Road 21, Demopolis, AL?

3400 County Road 21, Demopolis, AL has 1 bathrooms, 1,688 square feet of living space and a 9.43-acre lot.

When was 3400 County Road 21, Demopolis, AL built?

3400 County Road 21, Demopolis, AL was built in 1956, making it 70 years old. The building has 1 story.

What schools serve 3400 County Road 21, Demopolis, AL?

3400 County Road 21, Demopolis, AL is assigned to Amelia L Johnson High School (elementary), rated D+. All sit in Marengo County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3400 County Road 21, Demopolis, AL compare to other homes in Demopolis 36732?

Among the 2,749 homes in Demopolis 36732, it is worth more than 52% of them ($148,023 against a typical $144,434), its price per square foot is higher than 43% of them ($88 against a typical $98), it is bigger than 64% of them (1,688 ft² against a typical 1,458 ft²), its lot is bigger than 95% of them (9.43 ac against a typical 0.34 ac) and it is newer than 35% of them (1956 against a typical 1975). Measured against all of Marengo County, it is worth more than 59% 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 3400 County Road 21, Demopolis, AL?

The 2025 property tax bill for 3400 County Road 21, Demopolis, AL was $315. The county assessed it at $10,920.

More homes on County Road 21

Closest homes

More homes in Demopolis 36732

Assigned schools

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