Costa Mesa
A city in Orange County, California — population 112,366 as of 2020.
Scopes news, events and the map to Costa Mesa. No account needed — we keep it on this device.
Your city
Change city
News, events and the map open here. Kept on this device.
is your city now — Costa Mesa would replace it. We'll ask first.
stops being your city.
Costa Mesa takes over news, events and the map.
Extreme Heat Watch — Extreme Heat Watch issued August 22 at 1:10PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Heat Advisory — Heat Advisory issued August 22 at 1:10PM PDT until August 25 at 10:00AM PDT by NWS San Diego CA
Extreme Heat Watch — Extreme Heat Watch issued August 22 at 1:10PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Tonight
69°F
Partly Cloudy
Sunday
86°F
Sunny
Sunday Night
69°F
Partly Cloudy1% precip
Monday
85°F
Sunny2% precip
You know Costa Mesa better than we do.
Add the places people actually go. Our editors review submissions before they publish — you'll need an account with access to send one.
Costa Mesa by the numbers
Population
112,366Population figure, 2020
Households & income
- Area
- 15.81 sq mi (40.94 km²), 0.01 sq mi water
- Median age
- 36.7
- Households
- 42,292
- Persons per household
- 2.6
- Median household income
- $111,505
- Median house value
- $1,115,100
Municipal office
- Office
- MAYOR
- Address
- PO BOX 1200, COSTA MESA, CA 92628