Census tract · Frederick County
Census Tract 7520.01, Frederick County, Maryland
Census Tract 7520.01, GEOID 24021752001, in Frederick County, Maryland, mostly within Mount Airy (57% of its census blocks). 5,360 residents in the ACS 2020-2024 5-year estimates (±599); the 2020 Census counted 4,815.
Residents, 2020-2024
5,360
±599 (90% margin)
2020 Census count: 4,815
Median household income
$163,681
±$13,108 (90% margin)
Frederick County: $122,002
Median home value
$516,200
±$37,480 (90% margin)
Frederick County: $464,600
Median gross rent
$2,475
±$977 (90% margin)
Frederick County: $1,774
Where is Census Tract 7520.01?
Census Tract 7520.01 is one of 65 census tracts in Frederick County, Maryland. It covers 5.18 square miles of land, 930 residents per square mile in 2020. Its GEOID, 24021752001, names it uniquely (how tract numbers and GEOIDs work).
| Place | Share of the tract |
|---|---|
| Mount Airy | 57% |
| Green Valley | 5% |
4 census tracts border Census Tract 7520.01: Tract 5130.01 in Carroll County ($128,921), Tract 5130.02 in Carroll County ($181,818), Tract 7518.02 ($164,706) and Tract 7519.03 ($178,797). 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 7520.01?
The 2020-2024 American Community Survey puts Census Tract 7520.01's population at 5,360 (±599) in 1,715 households; the 2020 Census counted 4,815 residents and 1,704 housing units.
| Measure | Tract 7520.01 | Mount Airy |
|---|---|---|
| Total population | 5,360 ±599 | 9,805 |
| Households | 1,715 ±161 | 3,300 |
| Average household size | 3.13 ±0.20 | 2.96 |
| Housing units | 1,725 ±162 | 3,442 |
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 7520.01?
The median resident of Census Tract 7520.01 is 38.4 years old; 25.7% are under 18 and 10.7% are 65 or older. The largest group is non-Hispanic white residents at 79.8%, then Hispanic or Latino residents (of any race) at 8.5%. 7.4% of residents were born outside the United States.
| Measure | Tract 7520.01 | Mount Airy |
|---|---|---|
| Median age | 38.4 ±3.7 | 37.8 |
| Under 18 years | 25.7% ±5.7 pts | 27.6% |
| 65 years and over | 10.7% ±2.2 pts | 12.2% |
| Hispanic or Latino (any race) | 8.5% ±4.2 pts | 7.6% |
| White alone, not Hispanic | 79.8% ±5.7 pts | 84.5% |
| Black or African American alone, not Hispanic | 3.4% ±2.1 pts | 2.6% |
| Asian alone, not Hispanic | 2.0% ±2.2 pts | 0.9% |
| American Indian and Alaska Native alone, not Hispanic | 0.0% ±0.8 pts | 0.0% |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.8 pts | 0.0% |
| Two or more races, not Hispanic | 5.3% ±2.8 pts | 3.8% |
| Some other race alone, not Hispanic | 1.1% ±1.5 pts | 0.7% |
| Born outside the United States | 7.4% ±3.4 pts | 5.8% |
| Speak a language other than English at home (age 5+) | 7.8% ±3.5 pts | 6.9% |
| Civilian veterans (age 18+) | 6.5% ±2.4 pts | 8.9% |
| With a disability | 12.1% ±3.7 pts | 11.9% |
| No health insurance coverage | 2.4% ±2.9 pts | 1.7% |
| High school graduate or higher (age 25+) | 94.3% ±2.6 pts | 96.8% |
| Bachelor's degree or higher (age 25+) | 47.3% ±6.7 pts | 54.6% |
| Graduate or professional degree (age 25+) | 18.1% ±4.5 pts | 21.3% |
| Lived in the same house a year earlier | 90.1% ±5.8 pts | 86.7% |
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 7520.01 earn?
Half of the 1,715 households in Census Tract 7520.01 earn less than $163,681 a year (±$13,108), against $122,002 across Frederick County: 12th highest of the county's 65 tracts with a reliable estimate.
| Measure | Tract 7520.01 | Mount Airy |
|---|---|---|
| Median household income | $163,681 ±$13,108 | $151,324 |
| Mean household income | $176,008 ±$15,150 | $168,087 |
| Per capita income | $56,819 ±$5,949 | $57,455 |
| People below the poverty line | 1.6% ±1.2 pts | 2.3% |
| Children under 18 below the poverty line | 0.0% ±3.1 pts | 1.0% |
| Households receiving SNAP | 7.9% ±4.4 pts | 5.1% |
| Households with a computer | 98.3% ±2.3 pts | 97.1% |
| Households with a broadband subscription | 93.9% ±4.1 pts | 94.8% |
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 7520.01?
Owners occupy 95.2% of Census Tract 7520.01's occupied homes and renters 4.8%. The median owner-occupied home is valued at $516,200 by its owner (±$37,480). The median renter pays $2,475 a month including utilities.
| Measure | Tract 7520.01 | Mount Airy |
|---|---|---|
| Median home value (owner-occupied) | $516,200 ±$37,480 | $487,400 |
| Median gross rent | $2,475 ±$977 | $1,854 |
| Renters paying 35% or more of income on rent | 21.7% ±35.0 pts | 15.8% |
| Median monthly owner costs, with a mortgage | $2,649 ±$194 | $2,598 |
| Owner-occupied homes | 95.2% ±3.6 pts | 94.4% |
| Renter-occupied homes | 4.8% ±3.6 pts | 5.6% |
| Housing units | 1,725 ±162 | 3,442 |
| Single-family detached homes | 86.3% ±4.6 pts | 71.0% |
| Mobile homes | 0.0% ±2.4 pts | 0.0% |
| Built 2020 or later | 1.0% ±1.6 pts | 0.7% |
| Built 2010 to 2019 | 0.8% ±1.2 pts | 5.8% |
| Built 1939 or earlier | 9.4% ±3.2 pts | 8.2% |
| Households with no vehicle | 1.3% ±1.3 pts | 3.2% |
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 do people in Census Tract 7520.01 get to work?
69.5% of Census Tract 7520.01's workers drive alone and 23.1% work from home. The average trip to work takes 33.9 minutes. The unemployment rate in 2020-2024 averaged 4.4%.
| Measure | Tract 7520.01 | Mount Airy |
|---|---|---|
| In the labor force (age 16+) | 75.1% ±5.0 pts | 76.0% |
| Unemployment rate | 4.4% ±2.4 pts | 2.2% |
| Drove alone to work | 69.5% ±4.8 pts | 73.5% |
| Carpooled | 4.0% ±2.5 pts | 6.6% |
| Public transportation | 0.7% ±0.8 pts | 0.4% |
| Walked | 1.1% ±1.0 pts | 1.3% |
| Worked from home | 23.1% ±4.6 pts | 17.8% |
| Mean travel time to work | 33.9 min ±2.3 | 33.0 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 7520.01 compare with the other tracts in Frederick County?
Among Frederick County's tracts with a reliable estimate, Census Tract 7520.01 ranks as shown below (1 = highest).
| Measure | In Frederick County | In Mount Airy |
|---|---|---|
| Population | 21st of 65 | 2nd of 3 |
| Residents per square mile | 33rd of 65 | 2nd of 3 |
| Median household income | 12th of 65 | 2nd of 3 |
| Per capita income | 30th of 65 | 2nd of 3 |
| Median home value | 23rd of 65 | 2nd of 3 |
| Median gross rent | 9th of 59 | 1st of 2 |
| Bachelor's degree or higher | 29th of 65 | 2nd of 3 |
| Median age | 40th of 65 | 3rd of 3 |
| Owner-occupied share | 5th of 65 | 2nd of 3 |
The tracts next to it on Frederick County's income ladder
| Tract | Rank | Median household income |
|---|---|---|
| Tract 7522.06 | 9th | $168,398±$24,270 · within the margin of this tract |
| Tract 7528.02 | 10th | $165,073±$12,559 · within the margin of this tract |
| Tract 7518.02 | 11th | $164,706±$21,714 · within the margin of this tract |
| Tract 7520.01 | 12th | $163,681±$13,108 |
| Tract 7523.03 | 13th | $162,000±$23,121 · within the margin of this tract |
| Tract 7707 | 14th | $158,672±$19,976 · within the margin of this tract |
| Tract 7522.02 | 15th | $158,333±$37,431 · 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 7520.01?
2 of the 18 figures for Census Tract 7520.01 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.
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