Custom Merch for Restaurants and Bars in Irvine, CA
Merch Mob makes kitchen shirts, front-of-house uniforms, and staff hats for restaurants and bars in Irvine, CA, at its shop in Montclair, CA, and ships them to Irvine. Irvine has more young adults than California as a whole, with 30% of residents aged 18 to 34 against 24% statewide and 23% nationally (Census ACS, 2020-2024), so a retail tee with a bold design should find buyers among regulars.

Irvine by the numbers
Irvine has 318,764 residents, up 3.6% since 2020 (Census estimates).
Orange County has 2,919 full-service restaurants with paid employees (Census County Business Patterns, 2023). That is 9.3 for every 10,000 residents, above the national figure of 7.6. 40% of them employ fewer than 10 people; the rest are larger operations. The count is about where it was in 2018 (2,894).
It also has 243 bars and other drinking places with paid employees. That is 0.77 for every 10,000 residents, below the national figure of 1.19. 53% of them employ fewer than 10 people. The count is about where it was in 2018 (236).
Orange County as a whole has 3,149,507 residents, down 1.2% since 2020. Orange County has one full-service restaurant for every 1,080 residents.
- Population, 2025
- 318,764
- Since 2020
- +3.6%
- County
- Orange County
- Full-service restaurants in Orange County, 2023
- 2,919
- Per 10,000 county residents
- 9.3 (US 7.6)
- Bars and other drinking places in Orange County, 2023
- 243
- Per 10,000 county residents
- 0.77 (US 1.19)
- Time zone
- Pacific
- Median age
- 34.0 (US 38.9)
- Residents aged 18 to 34
- 30% (US 23%)
- Warmest month, average high
- August, 87°F
- Coldest month, average low
- December, 43°F
- Days at 90°F or hotter, a year
- 35
- Nights at 32°F or colder, a year
- 2
- Rain, a year
- 14 in
- USPS zone from the shop
- 1
Weather: Tustin Irvine Ranch station, 2 mi from Irvine'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 Irvine's weather means for restaurants and bars
About 35 days a year reach 90°F, so kitchen staff still want a lightweight blend in summer, while patio service runs comfortably the rest of the year. Winter patio service after dark, with December lows averaging 43°F, calls for a long sleeve or quarter-zip for staff under the apron. Tee weather, an average high of 70°F or more, lasts 10 months (March to December), so the retail shelf should lead with tees and caps for most of the year. Patios seldom lose a night to weather where yearly rain totals about 14 inches, so the patio crew's caps and tees see heavy use.
| Month in Irvine | Average high | Average low | Rain (in) | What staff and regulars wear |
|---|---|---|---|---|
| January | 68°F | 43°F | 3.1 | Long sleeves for patio shifts |
| February | 69°F | 45°F | 3.4 | Long sleeves for patio shifts |
| March | 72°F | 48°F | 2.1 | Staff tees and retail tees |
| April | 74°F | 50°F | 0.8 | Staff tees and retail tees |
| May | 77°F | 55°F | 0.3 | Staff tees and retail tees |
| June | 80°F | 58°F | 0.1 | Staff tees and retail tees |
| July | 85°F | 61°F | 0 | Light blended staff tees and caps |
| August | 87°F | 63°F | 0 | Light blended staff tees and caps |
| September | 87°F | 61°F | 0.2 | Light blended staff tees and caps |
| October | 84°F | 55°F | 0.7 | Staff tees and retail tees |
| November | 76°F | 47°F | 1.2 | Staff tees and retail tees |
| December | 70°F | 43°F | 2.3 | Staff tees and retail tees |
Made in So Cal, shipped to Irvine.
Irvine shares the shop's Southern California region; orders ship from there.
Irvine is about 27 miles from Merch Mob's shop in Montclair, CA, a straight-line distance. From the shop's ZIP code, Irvine is USPS zone 1. Irvine shares the shop's Pacific time zone.
From the production floor
Merch Mob production in Southern California.




Ordering from Irvine
When do patio staff in Irvine need a warmer layer?
Only after dark in winter: days stay above a 65°F average high all year, but December nights get cool enough that a hoodie or quarter-zip helps on late patio shifts.
More for Irvine
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