Zip Code 94588
Pleasanton, California — Alameda County
📍 ZIP code 94588 is in Pleasanton, Alameda County, California.
ZIP code 94588 is located in Pleasanton, Alameda County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 34,423. The area code for ZIP code 94588 is 408.
Quick Answer
Zip code 94588 is in Pleasanton, California (Alameda County). It has a population of 34,423, median household income of $186,569, and median home value of $1,277,200.
Population
34,423
Income
$186,569
Home Value
$1,277,200
Climate
83°F / 42°F
About Zip Code 94588
Zip code 94588 is located in Pleasanton, California, within Alameda County. Home to approximately 34,423 residents, this area sits at an elevation of 691 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 408.
The median household income is $186,569 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $1,277,200, and the cost of living index is 250 (150% above the national average of 100).
Summers average a high of 83°F while winters drop to 42°F. The area receives about 26 in of rain and 1 in of snow annually. The zip code covers 31.8 square miles of land area and 0.8 square miles of water.
Key Statistics
34,423
$186,569
$1,277,200
Pacific (PST/PDT)
408
691 ft
31.8 sq mi
39.8
12,496
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Compare With Nearby Zip Codes
| Metric | 94588 | 94506 | 94568 | 94583 | 94517 | 94526 |
|---|---|---|---|---|---|---|
| City | Pleasanton, CA | Danville, CA | Dublin, CA | San Ramon, CA | Clayton, CA | Danville, CA |
| Population | 34,423 | 27,261 | 70,542 | 39,418 | 12,164 | 33,085 |
| Median Income | $186,569 | $250,001 | $205,046 | $184,033 | $164,860 | $216,974 |
| Home Value | $1,277,200 | $1,789,600 | $1,224,100 | $1,234,400 | $995,600 | $1,588,000 |
| Cost of Living | 250 | 250 | 250 | 250 | 250 | 250 |
| Median Age | 39.8 | 45.9 | 37.3 | 40.6 | 43.9 | 45.9 |
Cost of Living
100 = National Average. Pleasanton's cost of living is 150% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
6.8x
Demographics
Zip code 94588 has a population of 34,423 people with a median age of 39.8. There are 12,496 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Pleasanton (94588) population trend from 2010 to 2024
↑ 1.4%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
83°F
42°F
26 in
1 in
Pleasanton experiences warm summers with average highs around 83°F. Winters are mild with lows averaging 42°F. The area receives about 1 in of snow per year.
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Housing & Economy
Median Home Value
$1,277,200
Median Household Income
$186,569
With 12,496 housing units across 31.8 square miles, 94588 has a housing density of 393 units per square mile. The home price-to-income ratio is 6.8x.
Location & Geography
Latitude
37.7932°
Longitude
-121.8606°
Land Area
31.8 sq mi
Water Area
0.8 sq mi
Nearby Zip Codes
Zip codes closest to 94588 (Pleasanton, CA) with distances:
All Zip Codes in Pleasanton, CA
Other zip codes serving Pleasanton:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 94588's $186,569. A way to compare Pleasanton 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 94588 (Pleasanton, 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 Pleasanton, California?
Pleasanton, California uses zip code 94588 along with 1 other zip codes.
What county is zip code 94588 in?
Zip code 94588 is located in Alameda County, California.
What is the population of zip code 94588?
The population of zip code 94588 is 34,423 with a median age of 39.8.
Is 94588 in Pleasanton, California?
Yes, zip code 94588 is in Pleasanton, Alameda County, California. The area code is 408.
Frequently Asked Questions
What city is zip code 94588 in?
Zip code 94588 is in Pleasanton, California. It is part of Alameda County and uses the Pacific (PST/PDT) timezone.
What is zip code 94588?
Zip code 94588 is a U.S. postal code in Pleasanton, California (Alameda County). It has a population of 34,423 and covers 31.8 square miles.
What is the population of zip code 94588?
The population of zip code 94588 (Pleasanton, CA) is 34,423 with a median age of 39.8. There are approximately 12,496 housing units in this area.
What is the median income in zip code 94588?
The median household income in zip code 94588 (Pleasanton, CA) is $186,569 per year. The cost of living index is 250 (100 = national average).
What is the average home price in zip code 94588?
The median home value in zip code 94588 (Pleasanton, CA) is $1,277,200. The cost of living index is 250 compared to the national average of 100.
What county is zip code 94588 in?
Zip code 94588 is located in Alameda County, California. The primary city is Pleasanton.
What is the area code for zip code 94588?
Zip code 94588 in Pleasanton, CA uses area code 408. It is located in the Pacific (PST/PDT) timezone.
Is zip code 94588 a good place to live?
Zip code 94588 (Pleasanton, CA) has a cost of living index of 250 (100 = national average), a median household income of $186,569, and median home values of $1,277,200. The median age is 39.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 94588?
The cost of living index for zip code 94588 (Pleasanton, CA) is 250, where 100 represents the national average. This area is above the national average. Median home value: $1,277,200.
What schools serve zip code 94588?
Zip code 94588 in Pleasanton, California is served by the local school district of Alameda 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.