Gaithersburg, Maryland Demographics & Population 2026
During the 2020–2024 ACS period, Gaithersburg, Maryland had a total population of 69,825, the 9th largest city in Maryland, with a median household income of $112,467, which is 8% higher than the state average. The poverty rate is 8.8%.
Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes
Key Takeaways
- One of the most racially diverse communities in Maryland (diversity index: 75/100).
Gaithersburg Quick Facts
How Gaithersburg 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 | 69,225 | 69,825 | +0.9% |
| Median household income | $107,496 | $112,467 | +4.6% |
| Median home value | $484,500 | $496,500 | +2.5% |
How Gaithersburg 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
This community is exceptionally diverse, with no single racial or ethnic group dominating the population.
State average: 68 | National average: 61
Education
Educational Attainment (Adults 25+)
Gaithersburg Rankings in Maryland
Explore Maryland Rankings
Other Cities in Montgomery County
| City | Population | Median Income | Poverty | Home Value |
|---|---|---|---|---|
| Germantown | 90,719 | $117,546 | 8.8% | $422,400 |
| Silver Spring | 81,462 | $99,860 | 10.6% | $643,300 |
| Bethesda | 69,397 | $192,237 | 4.3% | $1,169,900 |
| Rockville | 67,671 | $128,649 | 7.6% | $682,300 |
| Aspen Hill | 53,279 | $111,575 | 9.7% | $570,000 |
| Wheaton | 52,926 | $111,478 | 13.1% | $501,200 |
| North Bethesda | 49,677 | $129,092 | 5.2% | $731,800 |
| Potomac | 45,902 | $236,675 | 3.9% | $1,157,000 |
| Olney | 35,797 | $171,458 | 4.3% | $656,600 |
| Montgomery Village | 34,110 | $95,348 | 13.1% | $388,900 |
Cities Similar to Gaithersburg
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Rockville | 67,671 | $128,649 | $682,300 | 65.6% | 7.6% |
| Glen Burnie | 72,590 | $88,280 | $348,900 | 27.4% | 9.3% |
| Waldorf | 82,943 | $116,089 | $407,600 | 34.8% | 7.7% |
| Silver Spring | 81,462 | $99,860 | $643,300 | 60.6% | 10.6% |
| Towson | 58,679 | $101,320 | $469,000 | 69.3% | 12.1% |
Population Overview
Gaithersburg is a mid-sized community located in Maryland, within Montgomery County. The total population is 69,825. It ranks as the 9th most populous out of 527 Census-designated places in Maryland.
Age Demographics
The median age in Gaithersburg is 37.8 years. This is 4% lower than the state median of 39.4 years.
Economy, Income & Housing
The median household income in Gaithersburg is $112,467. This is 8% higher than the state median of $103,678. It is also 39% higher than the national median of $80,734. The poverty rate stands at 8.8%. This is 7% lower than the state poverty rate of 9.4%. The unemployment rate is 4.7%. This is 5% lower than the state rate of 4.9%. The median home value is $496,500. Housing costs are 18% higher than the state median of $419,900. The home-value-to-income ratio is 4.4x. 50.8% of occupied housing units are owner-occupied. This homeownership rate is 25% lower than the state average of 67.6%.
Race & Ethnicity
Gaithersburg is a highly diverse community where no single racial or ethnic group constitutes a majority of the population. White (non-Hispanic) residents account for 29.7%. The Hispanic or Latino population is significantly higher than the state average (30.6% vs 12.5%). The Asian population is significantly higher than the state average (20.3% vs 6.5%).
Education
52.5% of residents aged 25 and older hold a bachelor's degree or higher. This is 21% 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 87.0%. Notably, 24.7% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Gaithersburg, 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 Gaithersburg, Maryland?
Gaithersburg, Maryland has a population of 69,825 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Gaithersburg, MD?
The median household income in Gaithersburg is $112,467, which is 39% higher than the national median of $80,734.
What is the poverty rate in Gaithersburg, MD?
The poverty rate in Gaithersburg is 8.8%. This means approximately 6,072 residents live below the federal poverty line.
What is the racial makeup of Gaithersburg, Maryland?
Gaithersburg's population is 29.7% White, 14.6% Black, 30.6% Hispanic/Latino, and 20.3% Asian.
What is the median home value in Gaithersburg, MD?
The median home value in Gaithersburg is $496,500. The home-value-to-income ratio is 4.4x.
How educated is Gaithersburg, Maryland?
52.5% of adults (25+) in Gaithersburg hold a bachelor's degree or higher, and 24.7% hold a graduate or professional degree.