Custom Merch for Clothing Brands in Seattle, WA
Merch Mob makes first drop tees, heavyweight and boxy staples, and hoodies and crewnecks for clothing brands in Seattle, WA, at its shop in Montclair, CA, and ships them to Seattle. A full 35% of Seattle residents are 18 to 34, well above the US share of 23% (Census ACS, 2020-2024), so a local launch can lean on limited drops, boxy heavyweights and pre-orders.

Seattle by the numbers
Seattle has grown to 784,777 residents, up 6.5% since 2020 (Census estimates).
King County has 510 clothing stores with paid employees (Census County Business Patterns, 2023). That is 2.2 for every 10,000 residents, slightly below the national figure of 2.4. 57% of them employ fewer than 10 people. The count is down 17% from 613 in 2018.
It also has 31 apparel manufacturing establishments with paid employees. That is 0.13 for every 10,000 residents, the same as the national figure of 0.13. 77% of them employ fewer than 10 people. The count is down 11% from 35 in 2018.
Both are broad Census categories: they count every clothing store and apparel factory with a payroll, not independent labels, most of which sell online with no employees.
King County as a whole has 2,344,939 residents, up 3.3% since 2020. King County has one clothing store for every 4,600 residents.
- Population, 2025
- 784,777
- Since 2020
- +6.5%
- County
- King County
- Clothing stores in King County, 2023
- 510
- Per 10,000 county residents
- 2.2 (US 2.4)
- Apparel manufacturing establishments in King County, 2023
- 31
- Per 10,000 county residents
- 0.13 (US 0.13)
- Time zone
- Pacific
- Median age
- 35.6 (US 38.9)
- Residents aged 18 to 34
- 35% (US 23%)
- Warmest month, average high
- August, 77°F
- Coldest month, average low
- December, 36°F
- Days at 90°F or hotter, a year
- 3
- Nights at 32°F or colder, a year
- 30
- Rain, a year
- 36 in
- USPS zone from the shop
- 5
Weather: Seattle Boeing Field station, 5 mi from Seattle's center (NOAA 1991-2020 Climate Normals). People: Census ACS 2020-2024. Counts: CBP 2023, by county, paid-employee establishments. Population: Census, July 2025.
What Seattle's weather means for clothing brands
With 7 months a year averaging a high below 65°F, Seattle customers wear midweight fleece and long sleeves well beyond winter, so those pieces can anchor the line instead of a fall-only drop. Keep tee-heavy drops for June to September, the months with average highs at or above 70°F. Cool, wet months make a hood worth having, so put the main graphic on a pullover hoodie and keep the crewneck as the lighter option. About 30 nights a year reach freezing, so a fall release with a beanie and a crewneck that layers under a jacket covers the cold snaps. November brings the year's heaviest rain, around 5.8 inches, so shoot product for the next drop before it arrives and keep that month's release online.
| Month in Seattle | Average high | Average low | Rain (in) | What the drop should feature |
|---|---|---|---|---|
| January | 49°F | 37°F | 5.2 | Hoodies, crewnecks and long sleeves |
| February | 51°F | 37°F | 3.7 | Hoodies, crewnecks and long sleeves |
| March | 55°F | 39°F | 3.9 | Hoodies, crewnecks and long sleeves |
| April | 60°F | 44°F | 2.9 | Hoodies, crewnecks and long sleeves |
| May | 67°F | 49°F | 2 | Boxy tees and light crewnecks |
| June | 71°F | 54°F | 1.2 | Graphic tees and caps |
| July | 77°F | 58°F | 0.6 | Graphic tees and caps |
| August | 77°F | 58°F | 0.8 | Graphic tees and caps |
| September | 72°F | 54°F | 1.4 | Graphic tees and caps |
| October | 61°F | 46°F | 3.5 | Hoodies, crewnecks and long sleeves |
| November | 53°F | 40°F | 5.8 | Hoodies, crewnecks and long sleeves |
| December | 48°F | 36°F | 5.5 | Hoodies, crewnecks and long sleeves |
Made in So Cal, shipped to Seattle.
Orders ship to Seattle from the shop; there is no office or pickup point in Washington.
Seattle is about 967 miles from Merch Mob's shop in Montclair, CA, a straight-line distance. From the shop's ZIP code, Seattle is USPS zone 5. Seattle shares the shop's Pacific time zone.
From the production floor
Merch Mob production in Southern California.




Ordering from Seattle
When should a clothing brand in Seattle drop fleece?
In two waves: a midweight hoodie before October, then a heavier piece or a new colorway in midwinter, so the line has something new for the long cool stretch.
More for Seattle
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your next drop.
Tell us what your clothing brand needs. You get a line-item quote and an honest timeline within 24 hours. Tell us where it ships and the quote covers the rest.