City · Alabama
Demopolis, Alabama
Demopolis, city, in Marengo County, Alabama. Demopolis had 6,641 residents on July 1, 2025 by the Census Bureau's estimate, down 7.4% since 2020; the 2020 Census counted 7,162 and the ACS 2020-2024 5-year estimates put it at 6,908 (±26). GEOID 0120296.
Residents, July 2025 estimate
6,641
Census Bureau estimate (no margin published)
2020 Census count: 7,162 · ACS 2020-2024: 6,908 ±26
Median household income
$34,802
±$10,444 (90% margin)
Alabama: $63,999
Median home value
$183,600
±$36,509 (90% margin)
Alabama: $209,900
Median gross rent
$692
±$49 (90% margin)
Alabama: $1,007
Where is Demopolis and what county is it in?
Demopolis is a city in Marengo County, Alabama. It covers 17.7 square miles of land, 404 residents per square mile in 2020.
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Demopolis, and is it growing?
The Census Bureau estimates that 6,641 people lived in Demopolis on July 1, 2025, down 7.4% since 2020, while Alabama grew 3.3%. The 2020 Census counted 7,162 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 6,908 (±26).
| Measure | Demopolis | Marengo County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 6,908 ±26 | 18,851 | +101 |
| Households | 3,348 ±236 | 7,898 | +625 |
| Average household size | 2.03 ±0.14 | 2.36 | −0.43 |
| Housing units | 3,865 ±266 | 9,867 | +463 |
Demopolis's population since 2000
From 7,540 in 2000 to 6,641 in 2025: down 11.9%. The 2000, 2010 and 2020 figures are census counts, each for Demopolis as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Demopolis?
The median resident of Demopolis is 45.1 years old; 21.5% are under 18 and 20.9% are 65 or older. The largest group is non-Hispanic white residents at 50.7%, then non-Hispanic Black residents at 43.2%.
| Measure | Demopolis | Marengo County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 45.1 ±5.8 | 41.4 | no clear change |
| Under 18 years | 21.5% ±3.9 pts | 22.0% | – |
| 65 years and over | 20.9% ±3.4 pts | 20.6% | – |
| Male | 44.6% ±4.1 pts | 47.4% | – |
| Hispanic or Latino (any race) | 2.5% ±1.7 pts | 2.7% | – |
| White alone, not Hispanic | 50.7% ±5.4 pts | 44.3% | no clear change |
| Black or African American alone, not Hispanic | 43.2% ±5.8 pts | 50.8% | −8.9 pts |
| Asian alone, not Hispanic | 0.6% ±0.5 pts | 0.3% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.6 pts | 0.0% | – |
| Two or more races, not Hispanic | 3.0% ±1.5 pts | 1.9% | – |
| Some other race alone, not Hispanic | 0.0% ±0.6 pts | 0.0% | – |
| Born outside the United States | 2.2% ±1.6 pts | 1.6% | – |
| Speak a language other than English at home (age 5+) | 2.6% ±1.7 pts | 2.3% | – |
| Civilian veterans (age 18+) | 10.8% ±3.9 pts | 9.5% | – |
| With a disability | 25.5% ±5.1 pts | 21.9% | – |
| No health insurance coverage | 6.8% ±3.2 pts | 9.2% | no clear change |
| High school graduate or higher (age 25+) | 91.0% ±3.9 pts | 85.8% | – |
| Bachelor's degree or higher (age 25+) | 27.4% ±5.3 pts | 19.5% | no clear change |
| Graduate or professional degree (age 25+) | 14.0% ±3.7 pts | 8.5% | – |
| Lived in the same house a year earlier | 91.6% ±3.2 pts | 90.9% | – |
| Moved from another state in the past year | 1.4% ±1.3 pts | 1.5% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Demopolis earn?
Half of Demopolis's 3,348 households earn less than $34,802 a year (±$10,444), against $43,825 in Marengo County and $63,999 in Alabama. In 2015-2019 it was $33,572 in 2024 dollars; the margins of error cannot tell the two periods apart. 26.0% of residents live below the poverty line.
| Measure | Demopolis | Marengo County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $34,802 ±$10,444 | $43,825 | no clear change |
| Mean household income | $70,619 ±$12,358 | $70,748 | – |
| Per capita income | $33,986 ±$5,894 | $30,868 | no clear change |
| People below the poverty line | 26.0% ±6.4 pts | 21.9% | no clear change |
| Children under 18 below the poverty line | 42.5% ±16.2 pts | 25.8% | no clear change |
| Households receiving SNAP | 25.7% ±6.2 pts | 23.6% | – |
| Households with a computer | 91.5% ±3.7 pts | 88.6% | – |
| Households with a broadband subscription | 82.3% ±5.6 pts | 78.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Demopolis?
Owners occupy 54.9% of Demopolis's occupied homes and renters 45.1%. The median owner-occupied home is valued at $183,600 by its owner (±$36,509). The median renter pays $692 a month including utilities, and 48.8% of renters pay 35% or more of their income on rent.
| Measure | Demopolis | Marengo County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $183,600 ±$36,509 | $107,400 | no clear change |
| Median gross rent | $692 ±$49 | $716 | no clear change |
| Renters paying 35% or more of income on rent | 48.8% ±12.8 pts | 46.4% | no clear change |
| Median monthly owner costs, with a mortgage | $1,381 ±$75 | $1,286 | – |
| Owner-occupied homes | 54.9% ±7.8 pts | 70.2% | no clear change |
| Renter-occupied homes | 45.1% ±7.8 pts | 29.8% | – |
| Housing units | 3,865 ±266 | 9,867 | +463 |
| Homeowner vacancy rate | 0.3% ±0.5 pts | 0.1% | – |
| Rental vacancy rate | 3.4% ±3.8 pts | 3.6% | – |
| Single-family detached homes | 64.5% ±5.4 pts | 56.5% | – |
| Mobile homes | 7.6% ±4.3 pts | 29.5% | – |
| Built 2020 or later | 0.4% ±0.7 pts | 1.8% | – |
| Built 2010 to 2019 | 0.9% ±1.3 pts | 5.7% | – |
| Built 1939 or earlier | 10.2% ±4.2 pts | 8.2% | – |
| Households with no vehicle | 11.5% ±5.3 pts | 10.2% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Demopolis building?
Builders took permits for 0 new housing units in Demopolis in 2025 (0 in single-family houses), 0.0 per 1,000 residents against 3.7 across Alabama.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Demopolis work and get to work?
87.3% of Demopolis's workers drive alone. The average trip to work takes 23.5 minutes.
| Measure | Demopolis | Marengo County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 53.7% ±5.2 pts | 50.9% | – |
| Unemployment rate | 1.7% ±2.4 pts | 4.1% | – |
| Drove alone to work | 87.3% ±5.6 pts | 83.0% | – |
| Carpooled | 6.2% ±3.2 pts | 8.3% | – |
| Public transportation | 0.0% ±1.4 pts | 1.0% | – |
| Walked | 0.4% ±0.8 pts | 0.7% | – |
| Worked from home | 6.2% ±4.5 pts | 4.6% | – |
| Mean travel time to work | 23.5 min ±4.4 | 26.4 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Demopolis?
3 census tracts lie mostly in Demopolis (2020 census blocks). Their median household incomes run from $26,524 (Tract 9729.02) to $79,209 (Tract 9734).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 9729.02Marengo County | 3,768 | $26,524 |
| Tract 9734Marengo County | 4,347 | $79,209 |
| Tract 9729.01Marengo County | 1,538 | $41,728 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Demopolis) · Census block assignment files
How does Demopolis compare with other places in Alabama?
By the Census Bureau's July 2025 estimates, Demopolis is the 4,184th-most populous of the 19,476 U.S. incorporated places that have one and the 93rd-most populous of 463 in Alabama.
Demopolis ranks 278th of 305 places in Alabama with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 93rd | 463 |
| Growth 2020-2025 (PEP) | 247th | 257 |
| Residents per square mile | 154th | 311 |
| Median household income | 278th | 305 |
| Per capita income | 112th | 311 |
| Median home value | 134th | 304 |
| Median gross rent | 218th | 274 |
| Poverty rate | 59th | 258 |
| Bachelor's degree or higher | 86th | 295 |
| Median age | 58th | 309 |
| Owner-occupied share | 272nd | 310 |
| Travel time to work | 215th | 310 |
Demopolis's figures with every place in Alabama (CSV)
Every place in Alabama, sortable · Compare Demopolis with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Demopolis?
15 of the 57 figures for Demopolis on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Demopolis are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' public schools in Demopolis.