
Orange County, 2016
Costa Mesa’s story
250 years in pictures
Its founding year, 1776, comes before those of 99% of the California towns we grade with a known year.
Census counts: 11,844 in 1950, 111,918 in 2020. The archive holds 2 old photos and papers going back to 2016 and 8 maps from 1896 on.
- 1776Costa Mesa is settled
Explore the history →
Getting set upMoving to Costa Mesa: who provides what
Who provides power, water and the rest in Costa Mesa, and how to reach them.
The full setup list →EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.