Is Los Angeles growing?

How much Los Angeles, CA has grown or shrunk since 2015, how that compares with the county, the state and the United States, and how the community's age is changing.

U.S. Census Bureau, American Community Survey 5-year estimates.

This story was assembled using AI and public data sources.

Los Angeles looks different than it did in 2015.

Population change since 2015: -1.1% — 3,900,794 residents in 2015 → 3,857,897 in 2023

Los Angeles population, 2015 to 2023

• 2015: 3900794
• 2023: 3857897

Growth since 2015

• Los Angeles: -1.1
• Los Angeles County: -1.9
• CA: 2.1
• U.S.: 5

Median age: 36.9 — U.S. median: 38.7

What it means

Los Angeles is growing more slowly than the country — -1.1% here versus +5.0% nationally since 2015.

These are estimates, not a head count. ACS 5-year figures average responses collected over five years, so they show direction and scale rather than a single day's population.