How many people live in Berkeley County, WV?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 136,300 people living in Berkeley County, WV. That makes Berkeley County the second-most populous county in West Virginia. It is home to 7.7% of people living in the state.
136K
population of Berkeley County, WV (2024)
7.7%
County share of the West Virginia population (2024)
About 136,300 people lived in Berkeley County, WV in 2024.
Population estimates, 2000–2024
What are Berkeley County, WV’s age demographics?
About 21,700 Berkeley County, WV residents are aged 65 and older in 2024. That represents 15.9% of its population. For comparison, the age group represents 21.9% of West Virginia’s population and 18% in the US overall.
Another 31,200 Berkeley County residents, or 22.9% of the population, were children under 18. For comparison, the age group represents 19.7% of West Virginia’s population and 21.6% in the US overall.
A lower share of Berkeley County, WV's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Berkeley County, WV’s racial and ethnic demographics?
Non-Hispanic white residents make up 79.4% of the Berkeley County, WV population, higher than the national share of 57.5%. Berkeley County, WV also has a larger share of people identifying as non-Hispanic two or more races (3.5%) than the US overall (2.5%).
In contrast, Berkeley County’s Hispanic population accounts for 7.1%, below the 20% nationwide, and the non-Hispanic Asian population makes up 1.4% of the county, compared with 6.5% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Berkeley County, WV has a higher share of a Hispanic population than West Virginia as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Berkeley County, WV is Martinsburg with about 19,000 residents in 2024.
Cities and towns in Berkeley County, WV ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Martinsburg | 19,047 |
| 2. | Hedgesville | 299 |
| 3. | Balance of Berkeley County | 116,941 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
