Garrison, Maryland Demographics & Population 2026
During the 2020–2024 ACS period, Garrison, Maryland had a total population of 9,469, the 144th largest community in Maryland, with a median household income of $102,423, which is 1% lower than the state average. The poverty rate is 8.0%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Garrison Quick Facts
How Garrison Changed
Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.
| Metric | 2019–2023 | 2020–2024 | Change |
|---|---|---|---|
| Population | 10,449 | 9,469 | -9.4% |
| Median household income | $96,916 | $102,423 | +5.7% |
| Median home value | $297,600 | $331,600 | +11.4% |
How Garrison Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Detailed income brackets
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 68 | National average: 61
Education
Educational Attainment (Adults 25+)
Garrison Rankings in Maryland
Explore Maryland Rankings
Other Cities in Baltimore County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Dundalk | 65,969 | $64,520 | 17.4% | $212,700 |
| Towson | 58,679 | $101,320 | 12.1% | $469,000 |
| Catonsville | 43,368 | $114,109 | 6.9% | $416,900 |
| Essex | 40,580 | $67,168 | 12.6% | $258,900 |
| Woodlawn (Baltimore County) | 40,379 | $82,466 | 11.6% | $294,200 |
| Owings Mills | 37,245 | $96,243 | 5.6% | $361,000 |
| Randallstown | 35,957 | $85,735 | 9.2% | $327,200 |
| Pikesville | 33,524 | $98,465 | 7.8% | $434,500 |
| Middle River | 31,712 | $78,398 | 14.7% | $271,700 |
| Milford Mill | 30,829 | $69,711 | 8.7% | $273,600 |
Cities Similar to Garrison
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Chesapeake Ranch Estates | 9,241 | $102,669 | $286,700 | 30.0% | 4.5% |
| Edgemere | 9,061 | $103,165 | $372,600 | 26.7% | 3.9% |
| Bryans Road | 9,371 | $118,361 | $377,300 | 29.3% | 2.8% |
| Marlboro Village | 9,382 | $122,856 | $382,600 | 44.4% | 2.5% |
| Marlton | 10,222 | $109,328 | $415,700 | 40.9% | 5.5% |
Population Overview
Garrison is a small city located in Maryland, within Baltimore County. The total population is 9,469. It ranks as the 144th most populous out of 527 Census-designated places in Maryland.
Age Demographics
The median age in Garrison is 42.9 years. This is 9% higher than the state median of 39.4 years. 11.7% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.
Economy, Income & Housing
The median household income in Garrison is $102,423. This is 1% lower than the state median of $103,678. It is also 27% higher than the national median of $80,734. The poverty rate stands at 8.0%. This is 16% lower than the state poverty rate of 9.4%. The unemployment rate is 5.3%. This is 8% higher than the state rate of 4.9%. The median home value is $331,600. Housing costs are 21% lower than the state median of $419,900. The home-value-to-income ratio is 3.2x. 50.6% of occupied housing units are owner-occupied. This homeownership rate is 25% lower than the state average of 67.6%.
Race & Ethnicity
The largest racial or ethnic group in Garrison is White (non-Hispanic), making up 46.2% of the population. Black or African American residents account for 42.7%. The Hispanic or Latino population (1.9%) is well below the state average of 12.5%.
Education
56.7% of residents aged 25 and older hold a bachelor's degree or higher. This is 30% higher than the state rate of 43.5%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 97.9%. Notably, 31.4% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Garrison, Maryland is sourced from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates. The ACS collects data from approximately 3.5 million households annually and pools five years of responses so that even small communities can be measured, though the margin of error widens as the population falls. Comparisons are made against Maryland state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 527 Census-designated places in Maryland. Read more about how these figures are produced on our methodology page, or visit data.census.gov for official data.
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Frequently Asked Questions
What is the population of Garrison, Maryland?
Garrison, Maryland has a population of 9,469 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Garrison, MD?
The median household income in Garrison is $102,423, which is 27% higher than the national median of $80,734.
What is the poverty rate in Garrison, MD?
The poverty rate in Garrison is 8.0%. This means approximately 730 residents live below the federal poverty line.
What is the racial makeup of Garrison, Maryland?
Garrison's population is 46.2% White, 42.7% Black, 1.9% Hispanic/Latino, and 5.0% Asian.
What is the median home value in Garrison, MD?
The median home value in Garrison is $331,600. The home-value-to-income ratio is 3.2x.
How educated is Garrison, Maryland?
56.7% of adults (25+) in Garrison hold a bachelor's degree or higher, and 31.4% hold a graduate or professional degree.