Los Angeles County, California Demographics

Population trends, housing costs, income, commuting, and health, all on one page.

Los Angeles County, CA Population Density Map and Area Scores

Area Score

Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.

  • B
    Health Around average
  • C
    Income Below average
  • C
    Education Below average

Source: Map AI Methodology

Los Angeles County
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Population density, people per sq mi

Population: density and quick facts

Metric Los Angeles County California Avg U.S. Average
Population 9,796,997 39,245,658 337,468,954
Population density (per sq mi) 2063.7 239.4 86.4
Population growth (%/yr) -0.33% 0.19% 0.59%
Median age 36.2 35.5 37.3
Households 3,411,433 13,531,619 130,235,071

Population in Los Angeles County declined by 0.5% from 2009 to 2024, reaching 9,796,997 in 2024.

Population Growth 2009–2024

Year Los Angeles County

Race & Ethnicity

Group Share

Age & Sex

The largest generation in Los Angeles County is Millennials, aged 29–44, at 24.2% of residents. That is 0.5 points above California as a whole.

Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below California, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.

Male and female share

Women are 50.3% of the people living in Los Angeles County and men 49.7%.

How many residents match a customer profile?

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Residents matching this profile

9,796,997

100% of everyone living in Los Angeles County

Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.

Economy

Los Angeles County has a the economy index of C, which means it is somewhat prosperous.

Metric Los Angeles County California Avg U.S. Average
Median household income $90,339 $99,161 $80,455
Income growth (%/yr) 5.63% 5.57% 4.80%
Unemployment rate 7.3% 6.6% 5.2%

The median household income in Los Angeles County is about 9% lower than in California.

Detailed wealth and income breakdown →

Housing

Metric Los Angeles County California Avg U.S. Average
Median home price $934,813 $650,794 $248,835
Median rent $1,953 $2,036 $1,407
Homeownership rate 45.9% 55.9% 65.2%

The median home price in Los Angeles County is about 39.9 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,953 per month for that long.

Full housing market analysis →

Commute Time & Mobility

Commuters in Los Angeles County spend about 56 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 235 hours, about 9.8 full days, spent commuting.

Metric Los Angeles County California Avg U.S. Average
One-way commute (min) 28.2 23.5 22.4
Round-trip commute (min) 56.3 47.0 44.8
Yearly time spent (hours) 235 196 187
Estimated yearly cost $7,274 $6,065 $5,790
Work from home 17.1% 17.2% 15.0%
Highway traffic (vehicles/day) 26,271 16,509 8,813
Local road traffic (vehicles/day) 3,747 2,449 1,355

Fastest commutes among counties in California: Inyo County (11.1 min), Mono County (12.0 min), Del Norte County (12.1 min).
Slowest: Alpine County (31.3 min), San Benito County (31.2 min), Contra Costa County (31.0 min).

The average commute time in Los Angeles County is 28 minutes, longer than the 23 minutes in California.

Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.

Commute and transport details →

Education & Households

Los Angeles County has a education index of C, which means it is somewhat educated.

Metric Los Angeles County California Avg U.S. Average
Bachelor's degree or higher 32.1% 33.0% 31.6%
Average household size 2.81 2.84 2.53

Highest education index among counties in California: Marin County (0.5), San Francisco County (0.4), Santa Clara County (0.4).
Lowest: Colusa County (0.2), Merced County (0.2), Glenn County (0.2).

Health

Los Angeles County has a health index of B, which means it is quite healthy.

Metric Los Angeles County California Avg U.S. Average
Life expectancy (years) 80.6 79.6 78.3
Self-rated poor health 16.5% 16.4% 16.3%
Smokers 11.0% 13.9% 19.0%

Highest health index among counties in California: San Francisco County (0.8), San Mateo County (0.8), Santa Clara County (0.8).
Lowest: Lake County (0.8), Imperial County (0.8), Tulare County (0.8).

Full health data →

Los Angeles County, CA Compared With Nearby Counties

Los Angeles County, CA is the largest of the 6 counties compared here, 9,796,997 residents against a local median of 915,060. Where Los Angeles County, CA breaks from the counties next to it is commute, sitting 24% above the local median of 22.6 min at 28.2 min. That is the weaker end of the local range on this measure.

Median home price tells the same story from another angle: $934,813 against a local median of $797,190, 17% above it. Every measure here with a clear better direction points the same way, and it is the wrong way: Los Angeles County, CA reads weaker than its neighbours on all of them. The counties themselves spread 6.1 min on commute, so Los Angeles County, CA sits at one end of an already wide local range rather than apart from it. Los Angeles County, CA has the 6th lowest commute of the 6 areas compared here.

Area Population Median household income Median home price Commute
Los Angeles County, CA 9,796,997 $90,339 #5/6 $934,813 #2/6 28.2 min #6/6
Orange County, CA 3,164,225 $116,542 $1,003,714 23.1 min
Ventura County, CA 836,943 $110,868 $854,285 23.0 min
Kern County, CA 915,060 $70,255 $315,481 20.6 min
Santa Barbara County, CA 443,693 $98,304 $555,382 17.1 min
San Diego County, CA 3,282,387 $106,588 $797,190 22.6 min

Frequently Asked Questions

Common questions about Los Angeles County, California.

How big is Los Angeles County, California by population?

About 9,796,997 people live in Los Angeles County, California, in 3,411,433 households of 2.8 people on average. The median age is 36.2, close to the U.S. median of 37.3.

Is Los Angeles County, California urban or rural?

Averaged over its land area, Los Angeles County, California has 2,064 people per square mile, a density typical of urban and suburban areas. That is about 24 times the U.S. average of 86.

Is Los Angeles County, California an affordable place to live?

The median home costs 10.3 times the median household income ($934,813 against $90,339), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,953 a month takes about 26% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.

Is it hard to find a job in Los Angeles County, California?

Unemployment in Los Angeles County, California is 7.3%, well above the U.S. rate of 5.2%, so job seekers may face more competition than elsewhere.

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