Cost of Living in Gaithersburg, MD
Updated November 2026 · Montgomery County · Washington-Arlington-Alexandria, DC-VA-MD-WV metro area · population 69,825
Prices in Gaithersburg are 10.7% above the US average (local index 110.7; the BEA index for the Washington-Arlington-Alexandria, DC-VA-MD-WV metro area is 108.9), with local housing the biggest cost driver at 143.1; a single adult's modelled budget is about $3,439 a month and the median rent is $2,058.
Prices by category
CostLiving local estimate. 100 = US average; 110 means prices are 10% higher. Housing reflects Gaithersburg's own median rent compared with the area's average rent; goods, utilities and other services are BEA's official price parities for the Washington-Arlington-Alexandria, DC-VA-MD-WV metro area, unchanged.
Gaithersburg price index by category, US average = 100: All items 110.7, Housing (rents) 143.1, Goods 104.8, Utilities 106.7, Other services 102.3
It is the 6th most expensive of the 19 Maryland cities in our data. More expensive than 77% of the cities we cover.
| BEA index | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|
| All items | 109.8 | 111.4 | 111.6 | 111.2 | 109.5 | 108.9 |
Monthly budget by household type
1 adult · 1-bedroom · modelled estimate for Gaithersburg, MD
| Category | Per month | Per year | Share |
|---|---|---|---|
| Housing (rent) | $1,618 | $19,416 | 47% |
| Utilities | $308 | $3,696 | 9% |
| Food at home | $296 | $3,552 | 9% |
| Transportation | $683 | $8,196 | 20% |
| Health care | $360 | $4,320 | 10% |
| Clothing, personal care & supplies | $174 | $2,088 | 5% |
| Total | $3,439 | $41,268 | 100% |
2 adults · 2-bedroom · modelled estimate for Gaithersburg, MD
| Category | Per month | Per year | Share |
|---|---|---|---|
| Housing (rent) | $1,996 | $23,952 | 37% |
| Utilities | $486 | $5,832 | 9% |
| Food at home | $546 | $6,552 | 10% |
| Transportation | $1,354 | $16,248 | 25% |
| Health care | $667 | $8,004 | 12% |
| Clothing, personal care & supplies | $343 | $4,116 | 6% |
| Total | $5,392 | $64,704 | 100% |
2 adults + 2 children · 3-bedroom · modelled estimate for Gaithersburg, MD
| Category | Per month | Per year | Share |
|---|---|---|---|
| Housing (rent) | $2,345 | $28,140 | 36% |
| Utilities | $592 | $7,104 | 9% |
| Food at home | $779 | $9,348 | 12% |
| Transportation | $1,797 | $21,564 | 27% |
| Health care | $621 | $7,452 | 9% |
| Clothing, personal care & supplies | $443 | $5,316 | 7% |
| Total | $6,577 | $78,924 | 100% |
Modelled estimate of basic costs, excluding taxes, child care and savings. Housing is rent excluding tenant-paid utilities (counted under utilities). See how the budget is calculated.
Housing costs in Gaithersburg
Rent by number of bedrooms
| Size | Median rent |
|---|---|
| Studio | $1,739 |
| 1 bedroom | $1,742 |
| 2 bedrooms | $2,148 |
| 3 bedrooms | $2,524 |
| 4 bedrooms | $3,197 |
Median rent: Census ACS 2020-2024 median gross rent by bedrooms (rent plus tenant-paid utilities, all renters).
Rent, home values and affordability
| Measure | Value |
|---|---|
| Median gross rent | $2,058 |
| Median contract rent (excl. utilities) | $1,912 |
| Median home value | $496,500 |
| Owner costs with a mortgage | $2,777/mo |
| Median household income | $112,467 |
| Rent as % of renter income Moderate | 29.5% |
| Home value ÷ household income Moderate | 4.4× |
Census ACS 5-year 2020-2024.
Electricity and gas prices
Residential electricity in Maryland
21.40¢ per kWh, August 2026
12-month change: +7.6% (from 19.89¢) · US 18.16¢
Average household uses 955 kWh a month in Maryland ≈ $202/month. Source: EIA-861M (statewide average).
Regular gasoline regional figure: Central Atlantic (PADD 1B)
$4.23 per gallon, week of 2026-11-02
12-month change: +38.3% (from $3.06) · US $4.15
EIA weekly retail price survey; Maryland is covered by the Central Atlantic (PADD 1B) average.
Inflation in the South
Consumer prices in the South Census region rose +3.4% in the 12 months to September 2026 (US +3.7%). Nationally, food at home changed +1.8%, shelter +3.2% and energy +20.4%. Source: BLS CPI-U, not seasonally adjusted. CPI is published for regions and large metro areas, so the regional figure is shown.
Salary equivalent
Because prices in Gaithersburg are 10.7% above the US average, $60,000 here has the buying power of about $54,200 in an average-priced US area.
Formula: US-equivalent = salary × 100 ÷ 110.7. Based on the local cost index (CostLiving estimate from BEA RPP and Census rents); taxes not included.
Nearby cities
| City | Distance | Index | Budget (single) | Median rent |
|---|---|---|---|---|
| Germantown, MD | 4 mi | 110.5 | $3,345 | $2,040 |
| Rockville, MD | 5 mi | 113.4 | $3,686 | $2,274 |
| Aspen Hill, MD | 7 mi | 108.9 | $3,337 | $1,916 |
| Wheaton, MD | 10 mi | 112.0 | $3,314 | $2,163 |
| Bethesda, MD | 12 mi | 115.9 | $3,981 | $2,469 |
| Silver Spring, MD | 14 mi | 108.8 | $3,523 | $1,913 |
Cities with a similar cost of living
| City | Index | Budget (single) | Median rent |
|---|---|---|---|
| Hempstead, NY | 110.7 | $3,269 | $1,622 |
| Compton, CA | 110.7 | $3,130 | $1,664 |
| Corona, CA | 110.6 | $3,534 | $2,228 |
| Mount Vernon, NY | 110.8 | $3,164 | $1,629 |
| Roseville, CA | 110.6 | $3,449 | $2,142 |
| Lynwood, CA | 110.5 | $3,243 | $1,652 |
Compare Gaithersburg with another city
Frequently asked questions
Is Gaithersburg, MD an expensive place to live?
Gaithersburg has a local cost of living index of 110.7, which is 10.7% above the US average. This CostLiving estimate starts from the BEA Regional Price Parities 2024 for the Washington-Arlington-Alexandria, DC-VA-MD-WV metro area (108.9) and adjusts housing to Gaithersburg's own rents. It is 5.7 points above the Maryland average. It is the 6th most expensive of the 19 Maryland cities in our data. More expensive than 77% of the cities we cover.
How much money do you need to live in Gaithersburg?
Our modelled estimate of basic monthly costs is $3,439 for a single adult, $5,392 for a couple and $6,577 for a family of four, before taxes, child care and savings. A $60,000 salary in an average-priced US area buys about the same as $66,400 in Gaithersburg.
What is the average rent in Gaithersburg?
The median gross rent (rent plus tenant-paid utilities) is $2,058 a month (Census ACS 2020-2024). By size: 1 bedroom $1,742, 2 bedrooms $2,148, 3 bedrooms $2,524. The typical renter spends 29.5% of household income on rent (moderate).
How much does a house cost in Gaithersburg?
The median owner-estimated home value is $496,500, 4.4 times the median household income of $112,467 (moderate). Owners with a mortgage pay a median $2,777 a month in housing costs.
How much is electricity and gas in Gaithersburg?
Maryland residential electricity averaged 21.40¢ per kWh in August 2026 (US 18.16¢). Regular gasoline was $4.23 a gallon (Central Atlantic (PADD 1B) average, week of 2026-11-02).
Sources and notes
- Local cost index: CostLiving estimate from BEA Regional Price Parities 2024 for the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan statistical area (BEA index 108.9) with housing from Census ACS median rent (city figure); see the methodology.
- Rents, home values, income, population: U.S. Census Bureau ACS 5-year 2020-2024, Census place 2431175 (Gaithersburg city).
- Electricity: EIA-861M, Maryland residential average, August 2026.
- Gasoline: EIA weekly retail regular gasoline, Central Atlantic (PADD 1B), week of 2026-11-02.
- Inflation: BLS CPI-U South region, September 2026.
- Budget baselines: BLS Consumer Expenditure Survey 2025; electricity use by household size: EIA RECS 2020.
- Gasoline price: regional figure (EIA publishes weekly prices for only 9 states).
Labels such as “county figure” or “state nonmetro figure” mark values that come from a larger area because the city-level figure is unavailable or unreliable. The monthly budget is a modelled estimate, not observed spending, and excludes taxes. This page is for general information and is not financial advice. Methodology · All sources