The Fastest-Growing Side Hustles in 2025: What’s Trending in Your City?
By Nwabueze Benard. 05/04/2025
- **36% of U.S. adults** now have a side hustle, according to Bankrate.
- **Mobile car washing** is the fastest-growing side hustle, with a **276% increase** in searches.
- **Pet sitting** dominates in major cities like Boston, San Francisco, and Seattle.
- Other trending gigs include selling stock photos, crypto trading, and food delivery.
Looking to **boost your income** in 2025? You're not alone. With rising costs of living, more Americans than ever are turning to side hustles to make ends meet—or even build a full-time business.
But which side gigs are growing the fastest? And where can you earn the most? A new report from **SideHustles.com** analyzed Google search trends to uncover the hottest opportunities this year.
## The #1 Side Hustle You Might Not Expect
Move over, Uber driving—**mobile car washing** is now the fastest-growing side hustle in the U.S., with search interest **up 276%** since 2023. The biggest demand? **Phoenix, Arizona.**
Why the surge?
✔ **Convenience-driven demand**—customers love on-demand services.
✔ **Low startup costs**—just basic supplies and a reliable vehicle.
✔ **Flexible hours**—work when you want.
*"This reflects a shift toward service-based gigs where professionals come to you,"* says Edward Huang, a career expert at SideHustles.
## The Top 5 Fastest-Growing Side Hustles Nationwide
1. **Mobile car washing** (+276%)
2. **Selling stock photos online** (+151%)
3. **Crypto trading** (+122%)
4. **Personal shopping** (+100%)
5. **Food delivery** (+87%)
## What’s Trending in Your City?
SideHustles also broke down the top gigs in major U.S. cities:
- **Boston, Columbus, San Francisco, Seattle:** **Pet sitting** reigns supreme.
- **New York, Los Angeles, Chicago:** **Freelance writing & virtual assisting** are in high demand.
- **Houston, Dallas, Miami:** **Food delivery & rideshare driving** dominate.
*(Check out the full city-by-city breakdown in the infographic below!)*

## How to Get Started
Want to jump into a side hustle? Here’s how:
- **Research demand** in your area (Google Trends, local Facebook groups).
- **Start small**—test the market before investing heavily.
- **Leverage platforms** like Fiverr, Upwork, or DoorDash to find clients.
### Final Thought
The side hustle economy isn’t slowing down. Whether you’re looking for extra cash or a full-time business opportunity, there’s never been a better time to start.
**Which side hustle will YOU try in 2025?** Let us know in the comments!
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Nwabueze Benard
authorben44/blog/fr
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