City profile
Gaithersburg, MD
Montgomery County · Population 69,825
Gaithersburg is a city in Montgomery County, MD with about 69,825 residents and a typical home value near $496,000. It is 19 miles from Columbia, MD, which shapes its climate, healthcare access and amenities.
Climate
Climate type
Four seasons
Winter avg
33°F
Summer avg
78°F
Sunny days / yr
210
Home prices & cost of living
Median home price
$496,500
Typical monthly housing
$3,111
Cost of living (100 = U.S.)
118
Taxes
- Property tax
- 1.00%
- State income tax (top)
- 6.5%
- Social Security
- Not taxed
- Pensions
- Partly exempt
- Sales tax (state + avg. local)
- 6.00%
FEMA natural hazard risk
Relatively Moderate · county score 92/100
Top hazards: Winter weather, Heat wave, Strong wind
Nearest major airport
20 mi to Washington Dulles International Airport (IAD)
Political lean (2024 county vote)
Leans Democratic · 75% Democratic / 22% Republican
Community
Population
69,825
Black population
15.0%
County
Montgomery County
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸Home prices are still rising in 2026 — good for long-term value, less room to negotiate
- ▸Climate/cost risks to check: coastal flooding
Highlights
- About 69,825 residents
- Typical home value about $496,000
- 19 miles from Columbia, MD
Trade-offs
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.