Zip Code 94549
Lafayette, California — Contra Costa County
📍 ZIP code 94549 is in Lafayette, Contra Costa County, California.
ZIP code 94549 is located in Lafayette, Contra Costa County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 28,247. The area code for ZIP code 94549 is 408.
Quick Answer
Zip code 94549 is in Lafayette, California (Contra Costa County). It has a population of 28,247, median household income of $231,195, and median home value of $1,968,500.
Population
28,247
Income
$231,195
Home Value
$1,968,500
Climate
88°F / 42°F
About Zip Code 94549
Zip code 94549 is located in Lafayette, California, within Contra Costa County. Home to approximately 28,247 residents, this area sits at an elevation of 378 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 408.
The median household income is $231,195 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $1,968,500, and the cost of living index is 250 (150% above the national average of 100).
Summers average a high of 88°F while winters drop to 42°F. The area receives about 18 in of rain annually. The zip code covers 19.2 square miles of land area and 0.2 square miles of water.
Key Statistics
28,247
$231,195
$1,968,500
Pacific (PST/PDT)
408
378 ft
19.2 sq mi
45.8
10,781
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Compare With Nearby Zip Codes
| Metric | 94549 | 94595 | 94556 | 94563 | 94596 | 94523 |
|---|---|---|---|---|---|---|
| City | Lafayette, CA | Walnut Creek, CA | Moraga, CA | Orinda, CA | Walnut Creek, CA | Concord, CA |
| Population | 28,247 | 17,051 | 15,922 | 19,409 | 23,592 | 34,789 |
| Median Income | $231,195 | $98,108 | $199,300 | $250,001 | $137,660 | $142,622 |
| Home Value | $1,968,500 | $816,600 | $1,594,100 | $1,810,100 | $1,245,000 | $1,038,400 |
| Cost of Living | 250 | 207 | 250 | 250 | 250 | 250 |
| Median Age | 45.8 | 68.8 | 43.5 | 49 | 37.5 | 42.6 |
Cost of Living
100 = National Average. Lafayette's cost of living is 150% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
8.5x
Demographics
Zip code 94549 has a population of 28,247 people with a median age of 45.8. There are 10,781 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Lafayette (94549) population trend from 2010 to 2024
↑ 14.4%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
88°F
42°F
18 in
0 in
Lafayette experiences warm summers with average highs around 88°F. Winters are mild with lows averaging 42°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$1,968,500
Median Household Income
$231,195
With 10,781 housing units across 19.2 square miles, 94549 has a housing density of 562 units per square mile. The home price-to-income ratio is 8.5x.
Location & Geography
Latitude
37.8970°
Longitude
-122.1143°
Land Area
19.2 sq mi
Water Area
0.2 sq mi
Nearby Zip Codes
Zip codes closest to 94549 (Lafayette, CA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 94549's $231,195. A way to compare Lafayette to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 94549 (Lafayette, CA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Lafayette, California?
Lafayette, California uses zip code 94549.
What county is zip code 94549 in?
Zip code 94549 is located in Contra Costa County, California.
What is the population of zip code 94549?
The population of zip code 94549 is 28,247 with a median age of 45.8.
Is 94549 in Lafayette, California?
Yes, zip code 94549 is in Lafayette, Contra Costa County, California. The area code is 408.
Frequently Asked Questions
What city is zip code 94549 in?
Zip code 94549 is in Lafayette, California. It is part of Contra Costa County and uses the Pacific (PST/PDT) timezone.
What is zip code 94549?
Zip code 94549 is a U.S. postal code in Lafayette, California (Contra Costa County). It has a population of 28,247 and covers 19.2 square miles.
What is the population of zip code 94549?
The population of zip code 94549 (Lafayette, CA) is 28,247 with a median age of 45.8. There are approximately 10,781 housing units in this area.
What is the median income in zip code 94549?
The median household income in zip code 94549 (Lafayette, CA) is $231,195 per year. The cost of living index is 250 (100 = national average).
What is the average home price in zip code 94549?
The median home value in zip code 94549 (Lafayette, CA) is $1,968,500. The cost of living index is 250 compared to the national average of 100.
What county is zip code 94549 in?
Zip code 94549 is located in Contra Costa County, California. The primary city is Lafayette.
What is the area code for zip code 94549?
Zip code 94549 in Lafayette, CA uses area code 408. It is located in the Pacific (PST/PDT) timezone.
Is zip code 94549 a good place to live?
Zip code 94549 (Lafayette, CA) has a cost of living index of 250 (100 = national average), a median household income of $231,195, and median home values of $1,968,500. The median age is 45.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 94549?
The cost of living index for zip code 94549 (Lafayette, CA) is 250, where 100 represents the national average. This area is above the national average. Median home value: $1,968,500.
What schools serve zip code 94549?
Zip code 94549 in Lafayette, California is served by the local school district of Contra Costa County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.