Custom Merch for Nonprofits in San Jose, CA
Merch Mob makes fundraising tees and hoodies, volunteer shirts, and walk, run and ride shirts for nonprofits in San Jose, CA, at its shop in Montclair, CA, and ships them to San Jose. Half of the residents of San Jose are older than 38.2, close to the US median of 38.9 (Census ACS, 2020-2024), so plan a wide size run and offer both a tee and a crewneck for supporters of every age.
San Jose by the numbers
San Jose has 989,814 residents, 2.3% fewer than in 2020 (Census estimates).
Santa Clara County has 105 civic and social organizations with paid employees (Census County Business Patterns, 2023). That is 0.55 for every 10,000 residents, below the national figure of 0.72. 85% of them employ fewer than 10 people. The count is down 7% from 113 in 2018.
That Census category covers clubs, fraternal lodges, alumni groups and similar associations; many charities are counted in other categories.
Santa Clara County as a whole has 1,914,391 residents, down 1.1% since 2020. Santa Clara County has one civic or social organization for every 18,230 residents.
- Population, 2025
- 989,814
- Since 2020
- −2.3%
- County
- Santa Clara County
- Civic and social organizations in Santa Clara County, 2023
- 105
- Per 10,000 county residents
- 0.55 (US 0.72)
- Time zone
- Pacific
- Median age
- 38.2 (US 38.9)
- Warmest month, average high
- August, 81°F
- Coldest month, average low
- December, 42°F
- Days at 90°F or hotter, a year
- 16
- Nights at 32°F or colder, a year
- 3
- Rain, a year
- 13 in
- USPS zone from the shop
- 4
Weather: San Jose station, 6 mi from San Jose'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 San Jose's weather means for nonprofits
Summer peaks at an average high of 81°F in August, warm enough for short sleeves without much heat stress, so a summer walk can go out in cotton tees. The cool season is short, December to February, so a light crewneck or quarter-zip is enough for winter volunteers and works as a year-end donor gift. Seasons are gentle, and even December nights only fall to an average low of 42°F, so short-sleeve and long-sleeve versions of one volunteer shirt cover events in every month. Rain dates are seldom needed with about 13 inches of rain in a typical year, so sun is the thing to plan for: add a cap to the volunteer kit.
| Month in San Jose | Average high | Average low | Rain (in) | What volunteers and supporters wear |
|---|---|---|---|---|
| January | 60°F | 42°F | 2.8 | Volunteer hoodies and donor crewnecks |
| February | 62°F | 44°F | 2.7 | Volunteer hoodies and donor crewnecks |
| March | 66°F | 46°F | 2.1 | Long-sleeve race shirts |
| April | 69°F | 48°F | 1.1 | Long-sleeve race shirts |
| May | 74°F | 52°F | 0.4 | Walk tees and volunteer shirts |
| June | 79°F | 56°F | 0.2 | Walk tees and volunteer shirts |
| July | 81°F | 58°F | 0 | Walk tees and volunteer shirts |
| August | 81°F | 59°F | 0.1 | Walk tees and volunteer shirts |
| September | 81°F | 57°F | 0.1 | Walk tees and volunteer shirts |
| October | 76°F | 53°F | 0.5 | Walk tees and volunteer shirts |
| November | 66°F | 46°F | 1.3 | Long-sleeve race shirts |
| December | 60°F | 42°F | 2.3 | Volunteer hoodies and donor crewnecks |
Made in So Cal, shipped to San Jose.
Orders ship to San Jose from the shop; there is no office or pickup point in California.
San Jose is about 323 miles from Merch Mob's shop in Montclair, CA, a straight-line distance. From the shop's ZIP code, San Jose is USPS zone 4. San Jose shares the shop's Pacific time zone.
From the production floor
Merch Mob production in Southern California.
Ordering from San Jose
Which participant shirt suits a charity walk or run in San Jose?
Cotton or a cotton blend in short sleeves suits a race from May to October, since summer heat stays moderate here; switch to a long sleeve for December to February, when highs fall below 65°F.
More for San Jose
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