Detailed electricity rate data about the ZIP Code 21757 in Keymar, MD. View various electricity statistics about ZIP Code 21757 in Carroll County in the U.S. Compare residential, industrial and commercial electricity rates in 21757 to those in Maryland and also in the entire U.S. Additionally, view historical data on estimated electricity usage in this Carroll County region.
View the charts and tables below for a snapshot of how electricity rates in ZIP Code 21757 (Keymar, MD) compare to rates in Maryland and to the U.S. overall.
The average residential electricity rate in ZIP Code 21757 of 9.5¢/kWh is lower than the average residential rate in the state of Maryland overall.
ZIP Code 21757 vs. Maryland
Maryland's average residential electricity rate of 21.05¢/kWh is approximately 122% higher than the 9.5¢/kWh 21757 average rate.
ZIP Code 21757 vs. the U.S.
Additionally, the average residential electricity rate of 18.07¢/kWh in the U.S. overall is an estimated 90% higher than the average residential rate in 21757.
See the table below for a comparison of residential, commercial, and industrial electricity rates in ZIP Code 21757, Maryland, and also in the U.S. as a whole.
| Region | Residential | Commercial | Industrial |
|---|---|---|---|
| ZIP Code 21757 | 9.5¢/kWh | 4.71¢/kWh | 2.37¢/kWh |
| Maryland | 21.05¢/kWh | 15.13¢/kWh | 12.46¢/kWh |
| United States | 18.07¢/kWh | 14.06¢/kWh | 9.02¢/kWh |
View the charts and tables below for electricity usage estimates and comparisons for ZIP Code 21757. See how this Carroll County region compares to other regions in Maryland.
This chart visualized the estimated monthly electricity usage rates in ZIP Code 21757 versus the average electricity usage a ZIP Code in Maryland.
MkWh: Million Kilowatt-hours| Month | ZIP Code 21757 | Average MD ZIP | Maryland |
|---|---|---|---|
| Oct 2024 | 0.69 MkWh | 2.71 MkWh | 1632 MkWh |
| Nov 2024 | 0.78 MkWh | 3.07 MkWh | 1850 MkWh |
| Dec 2024 | 1.18 MkWh | 4.62 MkWh | 2786 MkWh |
| Jan 2025 | 1.44 MkWh | 5.62 MkWh | 3390 MkWh |
| Feb 2025 | 1.13 MkWh | 4.42 MkWh | 2667 MkWh |
| Mar 2025 | 0.89 MkWh | 3.49 MkWh | 2102 MkWh |
| Apr 2025 | 0.74 MkWh | 2.9 MkWh | 1746 MkWh |
| May 2025 | 0.73 MkWh | 2.86 MkWh | 1726 MkWh |
| Jun 2025 | 0.99 MkWh | 3.89 MkWh | 2346 MkWh |
| Jul 2025 | 1.31 MkWh | 5.14 MkWh | 3100 MkWh |
| Aug 2025 | 1 MkWh | 3.92 MkWh | 2365 MkWh |
| Sep 2025 | 0.87 MkWh | 3.4 MkWh | 2048 MkWh |
The ZIP Code of 21757 is connected to Keymar, MD in Carroll County. This Maryland region currently has an approximate population of 2,793 residents and an estimated 1,087 total housing units contributing to overall electricity usage statistics in this locality.
* Local 21757 electricity data referenced here (rates and usage) obtained from loquol.