Census tract · Baltimore County
Census Tract 4042.01, Baltimore County, Maryland
Census Tract 4042.01, GEOID 24005404201, in Baltimore County, Maryland, entirely within Reisterstown. 5,807 residents in the ACS 2020-2024 5-year estimates (±1,349); the 2020 Census counted 5,887.
Residents, 2020-2024
5,807
±1,349 (90% margin)
2020 Census count: 5,887
Median household income
$80,379
±$19,670 (90% margin)
Baltimore County: $91,768
Median home value
$349,100
±$21,078 (90% margin)
Baltimore County: $349,300
Median gross rent
$1,773
±$217 (90% margin)
Baltimore County: $1,627
Where is Census Tract 4042.01?
Census Tract 4042.01 is one of 219 census tracts in Baltimore County, Maryland. It covers 0.93 square miles of land, 6,344 residents per square mile in 2020. Its GEOID, 24005404201, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Reisterstown | 100% |
6 census tracts border Census Tract 4042.01: Tract 4041.02 ($97,075), Tract 4042.02 ($61,786), Tract 4044.02 ($129,277), Tract 4045.01 ($114,519), Tract 4045.02 ($71,944) and Tract 4049 ($171,938). 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 4042.01?
The 2020-2024 American Community Survey puts Census Tract 4042.01's population at 5,807 (±1,349) in 2,316 households; the 2020 Census counted 5,887 residents and 2,335 housing units.
| Measure | Tract 4042.01 | Reisterstown |
|---|---|---|
| Total population | 5,807 ±1,349 | 25,582 |
| Households | 2,316 ±335 | 10,441 |
| Average household size | 2.51 ±0.43 | 2.42 |
| Housing units | 2,450 ±285 | 11,118 |
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 4042.01?
The median resident of Census Tract 4042.01 is 37.1 years old; 23.2% are under 18 and 14.1% are 65 or older. The largest group is non-Hispanic Black residents at 58.3%, then non-Hispanic white residents at 26.5%. 12.5% of residents were born outside the United States.
| Measure | Tract 4042.01 | Reisterstown |
|---|---|---|
| Median age | 37.1 ±7.4 | 41.8 |
| Under 18 years | 23.2% ±8.1 pts | 22.0% |
| 65 years and over | 14.1% ±5.5 pts | 17.6% |
| Hispanic or Latino (any race) | 0.0% ±0.7 pts | 8.2% |
| White alone, not Hispanic | 26.5% ±9.1 pts | 40.6% |
| Black or African American alone, not Hispanic | 58.3% ±12.2 pts | 38.1% |
| Asian alone, not Hispanic | 7.6% ±3.8 pts | 6.5% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.7 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.7 pts | 0.0% |
| Two or more races, not Hispanic | 6.2% ±4.6 pts | 4.6% |
| Some other race alone, not Hispanic | 1.4% ±2.0 pts | 2.1% |
| Born outside the United States | 12.5% ±6.1 pts | 15.3% |
| Speak a language other than English at home (age 5+) | 12.8% ±5.5 pts | 17.3% |
| Civilian veterans (age 18+) | 4.3% ±3.3 pts | 5.1% |
| With a disability | 16.8% ±7.1 pts | 16.9% |
| No health insurance coverage | 1.9% ±2.1 pts | 3.6% |
| High school graduate or higher (age 25+) | 88.2% ±6.3 pts | 90.0% |
| Bachelor's degree or higher (age 25+) | 34.8% ±9.6 pts | 46.2% |
| Graduate or professional degree (age 25+) | 13.2% ±4.8 pts | 21.3% |
| Lived in the same house a year earlier | 90.9% ±4.6 pts | 93.1% |
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 4042.01 earn?
Half of the 2,316 households in Census Tract 4042.01 earn less than $80,379 a year (±$19,670), against $91,768 across Baltimore County: 145th highest of the county's 213 tracts with a reliable estimate. 11.5% of residents live below the poverty line.
| Measure | Tract 4042.01 | Reisterstown |
|---|---|---|
| Median household income | $80,379 ±$19,670 | $85,543 |
| Mean household income | $97,461 ±$17,067 | $107,262 |
| Per capita income | $38,474 ±$6,783 | $44,176 |
| People below the poverty line | 11.5% ±7.2 pts | 10.7% |
| Children under 18 below the poverty line | 16.1% ±17.6 pts | 16.2% |
| Households receiving SNAP | 13.5% ±8.6 pts | 12.2% |
| Households with a computer | 100.0% ±1.8 pts | 95.9% |
| Households with a broadband subscription | 94.0% ±5.4 pts | 94.2% |
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 4042.01?
Owners occupy 50.9% of Census Tract 4042.01's occupied homes and renters 49.1%. The median owner-occupied home is valued at $349,100 by its owner (±$21,078). The median renter pays $1,773 a month including utilities, and 42.0% of renters pay 35% or more of their income on rent.
| Measure | Tract 4042.01 | Reisterstown |
|---|---|---|
| Median home value (owner-occupied) | $349,100 ±$21,078 | $358,700 |
| Median gross rent | $1,773 ±$217 | $1,600 |
| Renters paying 35% or more of income on rent | 42.0% ±17.5 pts | 57.2% |
| Median monthly owner costs, with a mortgage | $1,699 ±$150 | $2,057 |
| Owner-occupied homes | 50.9% ±10.5 pts | 66.2% |
| Renter-occupied homes | 49.1% ±10.5 pts | 33.8% |
| Housing units | 2,450 ±285 | 11,118 |
| Single-family detached homes | 42.6% ±8.7 pts | 46.8% |
| Mobile homes | 0.0% ±1.7 pts | 0.0% |
| Built 2020 or later | 0.0% ±1.7 pts | 0.0% |
| Built 2010 to 2019 | 0.0% ±1.7 pts | 3.0% |
| Built 1939 or earlier | 1.8% ±1.9 pts | 3.6% |
| Households with no vehicle | 10.4% ±9.0 pts | 11.3% |
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 4042.01 get to work?
56.7% of Census Tract 4042.01's workers drive alone and 22.5% work from home. The average trip to work takes 31.1 minutes.
| Measure | Tract 4042.01 | Reisterstown |
|---|---|---|
| In the labor force (age 16+) | 63.9% ±10.7 pts | 65.5% |
| Unemployment rate | 18.6% ±14.2 pts | 9.0% |
| Drove alone to work | 56.7% ±11.4 pts | 61.7% |
| Carpooled | 8.9% ±7.1 pts | 7.4% |
| Public transportation | 9.9% ±8.5 pts | 4.5% |
| Walked | 1.0% ±1.5 pts | 0.9% |
| Worked from home | 22.5% ±8.0 pts | 24.2% |
| Mean travel time to work | 31.1 min ±5.3 | 29.9 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 4042.01 compare with the other tracts in Baltimore County?
Among Baltimore County's tracts with a reliable estimate, Census Tract 4042.01 ranks as shown below (1 = highest).
| Measure | In Baltimore County | In Reisterstown |
|---|---|---|
| Population | 31st of 217 | 2nd of 6 |
| Residents per square mile | 55th of 219 | 2nd of 6 |
| Median household income | 145th of 213 | 4th of 6 |
| Per capita income | 156th of 217 | 6th of 6 |
| Median home value | 91st of 215 | 5th of 6 |
| Median gross rent | 61st of 185 | 1st of 6 |
| Poverty rate | 49th of 113 | 2nd of 4 |
| Bachelor's degree or higher | 127th of 214 | 5th of 6 |
| Median age | 149th of 217 | 6th of 6 |
| Owner-occupied share | 172nd of 213 | 5th of 6 |
The tracts next to it on Baltimore County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 4921.01 | 142nd | $81,188±$11,048 · within the margin of this tract |
| Tract 4207.02 | 143rd | $81,053±$25,276 · within the margin of this tract |
| Tract 4408 | 144th | $80,701±$16,223 · within the margin of this tract |
| Tract 4042.01 | 145th | $80,379±$19,670 |
| Tract 4033 | 146th | $79,750±$17,662 · within the margin of this tract |
| Tract 4515 | 147th | $79,640±$20,779 · within the margin of this tract |
| Tract 4113.07 | 148th | $79,327±$27,257 · 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 4042.01?
1 of the 18 figures for Census Tract 4042.01 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