Photo by Flemming Fuchs on Unsplash

The eclectic and immigrant-rich Bay Area is accustomed to hearing multiple languages. Spanish is one of the most common, with a large percentage of people primarily speaking Spanish at home.

1
1. Napa — 28.1%
2
2. Sonoma — 20%
3
3. San Mateo — 19.7%
4
4. Santa Clara — 18.4%
5
5. Contra Costa — 17.9%
6
6. Solano — 16.6%
7
7. Alameda — 16.4%
8
8. Marin — 13%
9
9. San Francisco — 11.1%

1. Napa — 28.1%

28.1%

2. Sonoma — 20%

20%

3. San Mateo — 19.7%

19.7%

4. Santa Clara — 18.4%

18.4%

5. Contra Costa — 17.9%

17.9%

6. Solano — 16.6%

16.6%

7. Alameda — 16.4%

16.4%

8. Marin — 13%

13%

9. San Francisco — 11.1%

11.1%

This shouldn’t be too surprising given California’s history as part of Mexico, although historians point to more modern forces such as immigration and family settlement patterns being influential as well.

Source: U.S. Census Bureau American Community Survey, Table S1601