Youngest ZIP codes in Berkeley County, WV
These are the 10 ZIP codes in Berkeley County with the lowest median age, out of 10 with at least 1,000 residents. 25428 (Inwood, 33.9), 25404 (Martinsburg, 36.7) and 25413 (Bunker Hill, 37.2) lead the list. There is no single "best" ZIP code in Berkeley County; the right one depends on who you want to reach, so the same ZIP codes are ranked several ways below.
Youngest ZIP codes in Berkeley County
| Rank | ZIP | Mailing city | Median age | Residents | Households | Residential mailboxes |
|---|---|---|---|---|---|---|
| 1 | 25428 | Inwood | 33.9 ±4.0 | 14,825 | 5,451 | 6,062 |
| 2 | 25404 | Martinsburg | 36.7 ±2.2 | 23,990 | 9,900 | 10,347 |
| 3 | 25413 | Bunker Hill | 37.2 ±2.7 | 9,618 | 3,460 | 4,448 |
| 4 | 25403 | Martinsburg | 37.5 ±2.6 | 16,470 | 6,637 | 7,545 |
| 5 | 25401 | Martinsburg | 38.3 ±3.5 | 14,979 | 6,336 | 6,957 |
| 6 | 25443 | Shepherdstown | 40.3 ±1.7 | 7,496 | 2,674 | 2,550 |
| 7 | 25419 | Falling Waters | 40.6 ±3.6 | 13,201 | 5,215 | 5,797 |
| 8 | 25427 | Hedgesville | 42.0 ±2.6 | 16,595 | 6,568 | — |
| 9 | 25405 | Martinsburg | 43.2 ±1.7 | 14,266 | 5,385 | 6,256 |
| 10 | 25420 | Gerrardstown | 47.7 ±9.6 | 4,945 | 2,084 | 1,850 |
How we ranked them
Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024). ZIP codes need at least 1,000 residents to be ranked; 10 of 11 qualify.
Which of these to mail, and why
Younger ZIP codes skew toward renters, students and young families: fitness, quick-service food, apartments, entertainment and first-time-buyer offers.
The top five ZIP codes on this list hold 31,784 households, on 48 carrier routes with 35,359 residential mailboxes. Open any of them on the route map to see each carrier route's own figures before you choose.
Open 25428 on the EDDM route map
More rankings
- Richest ZIP codes in Berkeley County
- ZIP codes with the highest home values in Berkeley County
- ZIP codes with the highest homeownership in Berkeley County
- ZIP codes with the most families with kids in Berkeley County
- ZIP codes with the most new movers in Berkeley County
- Oldest ZIP codes in Berkeley County
- Fastest-growing ZIP codes in Berkeley County
- All Berkeley County ZIP codes
Businesses that mail these ZIP codes
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EDDM guides
Frequently asked questions
- Which ZIP code in Berkeley County has the lowest median age?
- 25428 (Inwood), at 33.9 (±4.0), among 10 ZIP codes with at least 1,000 residents.
- How is this ranking calculated?
- Ranked by median age of all residents, lowest first (ACS 5-year estimates, 2020–2024).
- Why are some ZIP codes missing?
- ZIP codes with fewer than 1,000 residents are left out because their survey estimates swing too much to rank, and so are ZIP codes where the Census Bureau did not publish this figure.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.