Primary sources for Potomac, MD
- Census Bureau profile of Potomac, MD, ACS data
- EIA-861 utility data for Potomac, MD, prices
- DOE LEAD tool for Potomac, MD, energy burden
- NOAA storms and FEMA flood claims for Potomac, MD
Electricity rates in Potomac, Maryland
Potomac, MD ranks 1st of 41 Maryland cities for the highest median rent ($2,616 a month). Potomac, Maryland has 46,230 residents in 16,280 households; 25.9% heat with electricity.
Potomac is a census-designated place, a Census Bureau statistical area and not an incorporated city; the figures describe Potomac as the Bureau draws it.
Households in Potomac, MD can pick a supplier. See how to compare suppliers.
Potomac on the map
Montgomery County, with Potomac marked
Who supplies Potomac
Montgomery County lists 3 utilities for Potomac, MD, a city of 46,230: no plan prices, and retail supplier plans are not in public data; which listed utility delivers to your street depends on the address. Montgomery County page.
Housing and heating in Potomac
Potomac, MD: 9,571 of 16,843 homes were built before 1980 and 1,925 in 2000 or later. Potomac, MD has 11,836 detached houses, 2,319 homes in 5+ unit buildings and 14 mobile homes.
Age of homes in Potomac, MD
% of homes by decade built, Potomac, MD
- 0pre-40
- 240s
- 450s
- 2760s
- 2470s
- 2280s
- 990s
- 600s
- 510s
- 120+
Heating fuel in Potomac, MD
| Potomac, MD | Value | County | Gap | Rank (1 = highest) |
|---|---|---|---|---|
| Potomac, MD, median year built | 1977 | 1980 | -3 years | 24 of 41 |
| Potomac, MD, built before 1980 | 56.8% | 49.1% | +7.7 points | 17 of 41 |
| Potomac, MD, built 2000 or later | 11.4% | 19.9% | -8.5 points | 33 of 41 |
| Potomac, MD, detached houses | 70.3% | 46.8% | +23.4 points | 5 of 41 |
| Potomac, MD, apartments in 5+ unit buildings | 13.8% | 33.0% | -19.2 points | 32 of 41 |
| Potomac, MD, mobile homes | 0.1% | 0.2% | -0.1 points | 25 of 41 |
| Potomac, MD, renter households | 14.9% | 34.7% | -19.7 points | 35 of 41 |
| Potomac, MD, median home value | $1,105,900 | $615,200 | +$490,700 | 2 of 41 |
| Potomac, MD, median gross rent a month | $2,616 | $2,030 | +$586 | 1 of 41 |
| Potomac, MD, people per household | 2.82 | 2.70 | +0.12 | 8 of 41 |
Facts about Potomac
- Residents of Potomac, MD, ACS 2023
- 46,23019 of 41 Maryland cities with 30,000+
- Median household income in Potomac, MD
- $239,2051 of 41 of those cities
- Households in Potomac, MD
- 16,2802.84 people each
- Owner-occupied homes in Potomac, MD
- 85.1%13,851 owners and 2,429 renter households
- Housing units in Potomac, MD
- 16,843563 vacant or seasonal
- Homes heated by electricity in Potomac, MD
- 25.9%4,219 of 16,280 homes
- Land area of Potomac, MD
- 25.2 sq mi1,837.1 people per sq mi
- Bill as share of income in Potomac, MD
- 0.8%at 929 kWh a month over the $239,205 median household income
- Wind and tornado reports within 15 miles of Potomac, MD
- 980NWS point reports 2015 to 2025, 2,119.8 per 100,000 residents
- Median year homes were built in Potomac, MD
- 19779,571 of 16,843 homes (56.8%) before 1980
- Median home value and rent in Potomac, MD
- $1,105,900$2,616 gross rent a month, 2.84% of value a year
Electricity price since 2015 around Potomac
Potomac has no price series of its own. Potomac: the Maryland average was 13.82 ¢/kWh in 2015. Potomac: 17.86 ¢ in 2024, 29% up. Potomac: against 30% up for the U.S. average.
Potomac: a 929 kWh month at the Maryland price. Potomac: $128 in 2015, $166 in 2024. Potomac: $1,991 a year, 0.8% of the $239,205 median income.
Potomac: 10 yearly prices
| Year | Maryland average | Potomac: Gap to U.S. average |
|---|---|---|
| 2015, Potomac | 13.82 | +1.17 |
| 2016, Potomac | 14.23 | +1.68 |
| 2017, Potomac | 13.96 | +1.07 |
| 2018, Potomac | 13.30 | +0.43 |
| 2019, Potomac | 13.12 | +0.11 |
| 2020, Potomac | 13.01 | -0.14 |
| 2021, Potomac | 13.12 | -0.54 |
| 2022, Potomac | 14.46 | -0.58 |
| 2023, Potomac | 16.60 | +0.60 |
| 2024, Potomac | 17.86 | +1.38 |
Potomac, MD: EIA-861 home prices, 2015 to 2024, not a Potomac, MD price.
CSVCost of living with electricity in Potomac
Potomac, MD: 16,280 households at $1,465 a year per home for electricity (Montgomery County average, DOE LEAD) come to about $23.9 million, an estimate; all home energy is $2,222 a year per household.
| Group in Potomac, MD | Households | Power per home | Power bill of the group | Share of Potomac, MD median income |
|---|---|---|---|---|
| Potomac, MD, all households | 16,280 | $1,465 | $23.9 million | 0.61% |
| Potomac, MD, homeowners | 13,851 | $1,734 | $24.0 million | 0.72% |
| Potomac, MD, renters | 2,429 | $982 | $2.4 million | 0.41% |
Outage risk around Potomac
Potomac, MD, NWS reports within 15 miles of the center, 2015 to 2025: 965 wind and 15 tornado, 2,119.8 per 100,000 residents of 46,230. Top gust near Potomac, MD: 80 knots, 92 mph. Damage near Potomac, MD: $68.1M.
Reports within 15 miles of Potomac, MD
wind and tornado reports, Potomac, MD
- 61'15
- 76'16
- 138'17
- 26'18
- 137'19
- 95'20
- 152'21
- 84'22
- 81'23
- 39'24
- 91'25
| Potomac, MD | Wind | Tornado | Total |
|---|---|---|---|
| Potomac, MD, 2015 | 61 | 0 | 61 |
| Potomac, MD, 2016 | 76 | 0 | 76 |
| Potomac, MD, 2017 | 133 | 5 | 138 |
| Potomac, MD, 2018 | 25 | 1 | 26 |
| Potomac, MD, 2019 | 136 | 1 | 137 |
| Potomac, MD, 2020 | 94 | 1 | 95 |
| Potomac, MD, 2021 | 149 | 3 | 152 |
| Potomac, MD, 2022 | 82 | 2 | 84 |
| Potomac, MD, 2023 | 80 | 1 | 81 |
| Potomac, MD, 2024 | 38 | 1 | 39 |
| Potomac, MD, 2025 | 91 | 0 | 91 |
Who lives in Potomac: income, cars, homes
Of 21,770 workers in Potomac, MD, 7,204 work from home, 11,740 drive alone, 914 ride transit and 226 walk. 1,693 residents of Potomac, MD live below the poverty line, and the median age is 47.0. Potomac, MD homes: 14,497 have 3+ bedrooms, 876 none or one, median 10.0 rooms. In Potomac, MD, 1,287 of 16,280 households earn under $35,000, 1,562 $35,000-$75,000, 2,357 $75,000-$150,000 and 11,074 $150,000 or more. In Potomac, MD, 670 households own no vehicle and 11,586 own two or more; home EV charging depends on that. In Potomac, MD, 929 of 2,086 renter households pay 30% or more of income in rent; 3,628 households moved in since 2018 and 4,869 before 2000, so electric accounts turn over slowly.
Household income in Potomac, MD
| Potomac, MD | Value | Rank in Maryland (1 = highest) |
|---|---|---|
| Potomac, MD, households under $35,000 | 7.9% | 37 of 41 |
| Potomac, MD, households $150,000 or more | 68.0% | 1 of 41 |
| Potomac, MD, residents below poverty | 3.7% | 38 of 41 |
| Potomac, MD, median age | 47.0 | 2 of 41 |
| Potomac, MD, homes with 3+ bedrooms | 86.1% | 4 of 41 |
| Potomac, MD, households without a vehicle | 4.1% | 31 of 41 |
| Potomac, MD, households with 2+ vehicles | 71.2% | 7 of 41 |
| Potomac, MD, workers at home | 33.1% | 2 of 41 |
| Potomac, MD, cost-burdened renters | 44.5% | 33 of 41 |
| Potomac, MD, moved in since 2018 | 22.3% | 35 of 41 |
| Potomac, MD, moved in before 2000 | 29.9% | 3 of 41 |
Climate and electric heating around Potomac
Potomac is in Montgomery County, MD. Potomac: degree days are county values.
Potomac: 4,628 heating degree days a year. Potomac: 1,069 cooling degree days a year.
| Potomac | County value |
|---|---|
| Potomac, heating degree days, 1991-2020 normal | 4,628 |
| Potomac, heating degree days, 2016-2025 mean | 4,287 |
| Potomac, cooling degree days, 1991-2020 normal | 1,069 |
| Potomac, cooling degree days, 2016-2025 mean | 1,177 |
| Potomac, homes heated with electricity, ACS 2019-2023 | 41.5% |
Potomac: NOAA nClimDiv 7 Oct 2026; ACS B25040.
Analyst note on Potomac
Household income in Potomac, MD is $239,205; 13,851 of its 16,280 households own. 4,219 of the 16,280 occupied homes in Potomac, MD heat with electricity. Potomac, MD counts 46,230 residents in 16,280 households, on 25.2 square miles.
Potomac, MD has 16,843 housing units, 563 of them vacant or seasonal. A filing named like the city, The Potomac Edison Company, is listed, so a local or municipal utility may serve at least part of Potomac, MD. Potomac, MD ranks 1st of 41 Maryland cities for median household income ($239,205).
Potomac, MD ranks 2nd of 41 Maryland cities with 30,000+ residents for damaging-wind and tornado reports within 15 miles (980 since 2015). Potomac, MD ranks 2nd of 41 Maryland cities for the highest median home value ($1,105,900).
Bill and heat pump calculator, Potomac
Compare Potomac with nearby cities
| City near Potomac, MD | Distance from Potomac | Residents | Median income | Median year built | Median home value | Storm reports within 15 miles | Work from home |
|---|---|---|---|---|---|---|---|
| Potomac, MD (this page) | 0 mi | 46,230 | $239,205 | 1977 | $1,105,900 | 980 | 33.1% |
| North Bethesda, MD | 4.3 mi east | 49,498 (+3,268) | $128,970 (-$110,235) | 1982 (+5 yr) | $712,100 (-$393,800) | 951 (-29) | 32.0% (-1.1 pts) |
| Bethesda, MD | 4.4 mi southeast | 67,403 (+21,173) | $191,348 (-$47,857) | 1970 (-7 yr) | $1,129,700 (+$23,800) | 989 (+9) | 35.8% (+2.8 pts) |
| Rockville, MD | 5.3 mi northeast | 67,218 (+20,988) | $122,384 (-$116,821) | 1980 (+3 yr) | $658,300 (-$447,600) | 857 (-123) | 30.2% (-2.9 pts) |
| Wheaton, MD | 7.7 mi east | 52,172 (+5,942) | $107,349 (-$131,856) | 1959 (-18 yr) | $483,100 (-$622,800) | 901 (-79) | 17.5% (-15.6 pts) |
| Aspen Hill, MD | 8.2 mi northeast | 53,752 (+7,522) | $109,026 (-$130,179) | 1970 (-7 yr) | $538,000 (-$567,900) | 866 (-114) | 20.5% (-12.6 pts) |
ZIP codes in Potomac
| ZIP area touching Potomac, MD | Share of the ZIP's land inside Potomac | Share of Potomac's land in the ZIP |
|---|---|---|
| 20854 (Potomac, MD) | 57.4% | 77.3% |
| 20817 (Potomac, MD) | 40.6% | 22.7% |
Census 2020 ZCTA to place land-area overlap. Look up any ZIP.
Maryland: home prices since 2001, planned plants.
Questions on Potomac
Potomac: what is the electricity rate?
No single rate in Potomac, MD: Maryland households pick a supplier and plan, and Montgomery County lists 3 utilities.
Potomac: how does it rank among Maryland cities?
Potomac, MD: rank 19 of 41 by its 46,230 residents, rank 1 of 41 by $239,205 median income.
Potomac: how many homes heat with electricity?
Potomac, MD: 4,219 of 16,280 occupied homes, 25.9%; Montgomery County 41.5%.
Potomac: how much income goes to electricity?
At 929 kWh a month, 0.8% of the $239,205 median income in Potomac, MD.
Potomac: can I choose a supplier?
In most of Maryland yes; municipal and co-op areas around Potomac, MD may be closed.
Potomac: damaging storms reported nearby?
980 NWS wind and tornado reports within 15 miles of the center of Potomac, MD, 2015 to 2025, 2,119.8 per 100,000 residents.
How old are the homes in Potomac?
Potomac, MD: median home built 1977; 9,571 of 16,843 homes (56.8%) predate 1980, 11,836 are detached and 2,319 sit in buildings of 5+ units.
How many people in Potomac, MD work from home?
7,204 of 21,770 workers.
How many residents of Potomac, MD live below the poverty line?
1,693 residents.
How big are the homes in Potomac, MD?
14,497 of 16,843 homes have 3+ bedrooms; median 10.0 rooms.