Census tract · Charles County
Census Tract 8512, Charles County, Maryland
Census Tract 8512, GEOID 24017851200, in Charles County, Maryland, partly within Cobb Island and Rock Point. 4,748 residents in the ACS 2020-2024 5-year estimates (±569); the 2020 Census counted 4,675.
Residents, 2020-2024
4,748
±569 (90% margin)
2020 Census count: 4,675
Median household income
$104,038
±$26,650 (90% margin)
Charles County: $122,816
Median home value
$441,500
±$56,007 (90% margin)
Charles County: $428,500
Median gross rent
$1,216
±$215 (90% margin)
Charles County: $1,920
Where is Census Tract 8512?
Census Tract 8512 is one of 35 census tracts in Charles County, Maryland. It covers 41.47 square miles of land, 113 residents per square mile in 2020. Its GEOID, 24017851200, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Cobb Island | 26% |
| Rock Point | 2% |
3 census tracts border Census Tract 8512: Tract 8511 ($157,222), Tract 8513.01 ($158,333) and Tract 8752.02 in St. Mary's County ($126,406). The figure in brackets is each tract's median household income.
Whether a tract counts as low- or moderate-income for bank lending (the Community Reinvestment Act) is set by the FFIEC against its metro area's family income: look it up in the FFIEC census geocoder.
Source: 2024 Gazetteer and 2020 block assignment files, U.S. Census Bureau · Census reference files
How many people live in Census Tract 8512?
The 2020-2024 American Community Survey puts Census Tract 8512's population at 4,748 (±569) in 1,828 households; the 2020 Census counted 4,675 residents and 2,207 housing units.
| Measure | Tract 8512 | Charles County |
|---|---|---|
| Total population | 4,748 ±569 | 170,527 |
| Households | 1,828 ±252 | 60,875 |
| Average household size | 2.59 ±0.27 | 2.78 |
| Housing units | 2,304 ±278 | 63,813 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Census Tract 8512?
The median resident of Census Tract 8512 is 46.2 years old; 21.4% are under 18 and 19.7% are 65 or older. The largest group is non-Hispanic white residents at 69.5%, then non-Hispanic Black residents at 12.3%.
| Measure | Tract 8512 | Charles County |
|---|---|---|
| Median age | 46.2 ±6.0 | 38.9 |
| Under 18 years | 21.4% ±4.3 pts | 23.9% |
| 65 years and over | 19.7% ±5.2 pts | 13.7% |
| Hispanic or Latino (any race) | 9.1% ±5.5 pts | 7.9% |
| White alone, not Hispanic | 69.5% ±6.6 pts | 32.0% |
| Black or African American alone, not Hispanic | 12.3% ±3.5 pts | 48.4% |
| Asian alone, not Hispanic | 1.1% ±1.1 pts | 3.3% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.1 pts | 0.2% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.9 pts | 0.1% |
| Two or more races, not Hispanic | 6.2% ±2.5 pts | 7.4% |
| Some other race alone, not Hispanic | 1.9% ±2.6 pts | 0.7% |
| Born outside the United States | 4.0% ±3.1 pts | 8.5% |
| Speak a language other than English at home (age 5+) | 5.1% ±3.6 pts | 10.2% |
| Civilian veterans (age 18+) | 7.1% ±3.0 pts | 13.0% |
| With a disability | 16.9% ±6.3 pts | 11.2% |
| No health insurance coverage | 4.5% ±2.4 pts | 4.6% |
| High school graduate or higher (age 25+) | 94.2% ±2.5 pts | 94.5% |
| Bachelor's degree or higher (age 25+) | 20.2% ±5.9 pts | 33.5% |
| Graduate or professional degree (age 25+) | 11.5% ±4.7 pts | 14.9% |
| Lived in the same house a year earlier | 96.6% ±2.3 pts | 89.0% |
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 Census Tract 8512 earn?
Half of the 1,828 households in Census Tract 8512 earn less than $104,038 a year (±$26,650), against $122,816 across Charles County: 25th highest of the county's 34 tracts with a reliable estimate. 6.3% of residents live below the poverty line.
| Measure | Tract 8512 | Charles County |
|---|---|---|
| Median household income | $104,038 ±$26,650 | $122,816 |
| Mean household income | $129,505 ±$21,105 | $141,768 |
| Per capita income | $52,735 ±$7,589 | $51,110 |
| People below the poverty line | 6.3% ±3.2 pts | 6.9% |
| Children under 18 below the poverty line | 0.0% ±4.1 pts | 6.4% |
| Households receiving SNAP | 7.2% ±4.2 pts | 9.7% |
| Households with a computer | 96.1% ±2.7 pts | 96.6% |
| Households with a broadband subscription | 91.4% ±4.1 pts | 93.4% |
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 Census Tract 8512?
Owners occupy 78.2% of Census Tract 8512's occupied homes and renters 21.8%. The median owner-occupied home is valued at $441,500 by its owner (±$56,007). The median renter pays $1,216 a month including utilities, and 54.6% of renters pay 35% or more of their income on rent.
| Measure | Tract 8512 | Charles County |
|---|---|---|
| Median home value (owner-occupied) | $441,500 ±$56,007 | $428,500 |
| Median gross rent | $1,216 ±$215 | $1,920 |
| Renters paying 35% or more of income on rent | 54.6% ±19.4 pts | 40.6% |
| Median monthly owner costs, with a mortgage | $2,241 ±$177 | $2,542 |
| Owner-occupied homes | 78.2% ±6.8 pts | 82.1% |
| Renter-occupied homes | 21.8% ±6.8 pts | 17.9% |
| Housing units | 2,304 ±278 | 63,813 |
| Single-family detached homes | 97.5% ±2.0 pts | 70.4% |
| Mobile homes | 1.2% ±1.4 pts | 0.8% |
| Built 2020 or later | 3.7% ±2.7 pts | 2.9% |
| Built 2010 to 2019 | 2.9% ±2.6 pts | 14.5% |
| Built 1939 or earlier | 15.2% ±9.8 pts | 2.6% |
| Households with no vehicle | 3.0% ±2.8 pts | 3.9% |
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 do people in Census Tract 8512 get to work?
69.8% of Census Tract 8512's workers drive alone and 12.7% work from home. The average trip to work takes 41.6 minutes.
| Measure | Tract 8512 | Charles County |
|---|---|---|
| In the labor force (age 16+) | 55.5% ±7.3 pts | 69.6% |
| Unemployment rate | 0.5% ±0.7 pts | 4.8% |
| Drove alone to work | 69.8% ±9.0 pts | 70.2% |
| Carpooled | 10.2% ±7.7 pts | 8.5% |
| Public transportation | 2.7% ±2.8 pts | 2.5% |
| Walked | 1.0% ±1.5 pts | 0.8% |
| Worked from home | 12.7% ±5.0 pts | 16.4% |
| Mean travel time to work | 41.6 min ±6.5 | 41.4 min |
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
How does Census Tract 8512 compare with the other tracts in Charles County?
Among Charles County's tracts with a reliable estimate, Census Tract 8512 ranks as shown below (1 = highest).
| Measure | In Charles County |
|---|---|
| Population | 19th of 34 |
| Residents per square mile | 31st of 34 |
| Median household income | 25th of 34 |
| Per capita income | 12th of 34 |
| Median home value | 15th of 34 |
| Median gross rent | 23rd of 25 |
| Poverty rate | 12th of 16 |
| Bachelor's degree or higher | 32nd of 34 |
| Median age | 4th of 34 |
| Owner-occupied share | 24th of 34 |
The tracts next to it on Charles County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 8515.02 | 22nd | $106,453±$17,216 · within the margin of this tract |
| Tract 8515.01 | 23rd | $106,250±$18,075 · within the margin of this tract |
| Tract 8504 | 24th | $104,844±$25,177 · within the margin of this tract |
| Tract 8512 | 25th | $104,038±$26,650 |
| Tract 8503 | 26th | $101,691±$19,951 · within the margin of this tract |
| Tract 8502.01 | 27th | $101,518±$37,046 · within the margin of this tract |
| Tract 8508.01 | 28th | $100,795±$18,685 · within the margin of this tract |
"Within the margin": the two incomes differ by less than their combined 90% margins, so the survey cannot say which is higher and the ranks between them are not firm.
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · How ranks are computed
How reliable are the figures for Census Tract 8512?
1 of the 18 figures for Census Tract 8512 on this page carries a coefficient of variation over 40% and is marked with a ring: they come from a small sample, so read them as rough.
A census tract's figures rest on a few hundred sampled households over five years, so its margins are wider than a city's. Two tracts differ only when the gap between them is larger than their combined 90% margin (the square root of the sum of the two squared margins). 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 · Check it at data.census.gov
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections