Zip Code 99301
Pasco, Washington — Franklin County
📍 ZIP code 99301 is in Pasco, Franklin County, Washington.
ZIP code 99301 is located in Pasco, Franklin County, Washington. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 86,467. The area code for ZIP code 99301 is 509.
Quick Answer
Zip code 99301 is in Pasco, Washington (Franklin County). It has a population of 86,467, median household income of $82,517, and median home value of $353,300.
Population
86,467
Income
$82,517
Home Value
$353,300
Climate
90°F / 25°F
About Zip Code 99301
Zip code 99301 is located in Pasco, Washington, within Franklin County. Home to approximately 86,467 residents, this area sits at an elevation of 549 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 509.
The median household income is $82,517 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $353,300, and the cost of living index is 110 (10% above the national average of 100).
Summers average a high of 90°F while winters drop to 25°F. The area receives about 10 in of rain and 15 in of snow annually. The zip code covers 464.9 square miles of land area and 13.9 square miles of water.
Key Statistics
86,467
$82,517
$353,300
Pacific (PST/PDT)
509
549 ft
464.9 sq mi
30.5
27,700
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Compare With Nearby Zip Codes
| Metric | 99301 | 99330 | 99323 | 99336 | 99352 | 99343 |
|---|---|---|---|---|---|---|
| City | Pasco, WA | Eltopia, WA | Burbank, WA | Kennewick, WA | Pasco, WA | Mesa, WA |
| Population | 86,467 | 1,104 | 4,198 | 51,180 | 36,641 | 3,236 |
| Median Income | $82,517 | $135,648 | $86,597 | $63,308 | $96,875 | $72,400 |
| Home Value | $353,300 | $292,100 | $358,600 | $292,300 | $442,100 | $244,500 |
| Cost of Living | 110 | 108 | 109 | 91 | 137 | 97 |
| Median Age | 30.5 | 32.3 | 32.4 | 34.2 | 38.4 | 23.7 |
Cost of Living
100 = National Average. Pasco's cost of living is 10% above the national average.
vs. State Avg
Above
Affordability
Moderate
Income-to-Home
4.3x
Demographics
Zip code 99301 has a population of 86,467 people with a median age of 30.5. There are 27,700 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Pasco (99301) population trend from 2010 to 2024
↓ -22.7%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
90°F
25°F
10 in
15 in
Pasco experiences hot summers with average highs around 90°F. Winters are cool with lows averaging 25°F. The area receives about 15 in of snow per year.
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Housing & Economy
Median Home Value
$353,300
Median Household Income
$82,517
With 27,700 housing units across 464.9 square miles, 99301 has a housing density of 60 units per square mile. The home price-to-income ratio is 4.3x.
Location & Geography
Latitude
46.3778°
Longitude
-118.9517°
Land Area
464.9 sq mi
Water Area
13.9 sq mi
Nearby Zip Codes
Zip codes closest to 99301 (Pasco, WA) with distances:
All Zip Codes in Pasco, WA
Other zip codes serving Pasco:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 99301's $82,517. A way to compare Pasco 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 99301 (Pasco, WA). 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 Pasco, Washington?
Pasco, Washington uses zip code 99301 along with 4 other zip codes.
What county is zip code 99301 in?
Zip code 99301 is located in Franklin County, Washington.
What is the population of zip code 99301?
The population of zip code 99301 is 86,467 with a median age of 30.5.
Is 99301 in Pasco, Washington?
Yes, zip code 99301 is in Pasco, Franklin County, Washington. The area code is 509.
Frequently Asked Questions
What city is zip code 99301 in?
Zip code 99301 is in Pasco, Washington. It is part of Franklin County and uses the Pacific (PST/PDT) timezone.
What is zip code 99301?
Zip code 99301 is a U.S. postal code in Pasco, Washington (Franklin County). It has a population of 86,467 and covers 464.9 square miles.
What is the population of zip code 99301?
The population of zip code 99301 (Pasco, WA) is 86,467 with a median age of 30.5. There are approximately 27,700 housing units in this area.
What is the median income in zip code 99301?
The median household income in zip code 99301 (Pasco, WA) is $82,517 per year. The cost of living index is 110 (100 = national average).
What is the average home price in zip code 99301?
The median home value in zip code 99301 (Pasco, WA) is $353,300. The cost of living index is 110 compared to the national average of 100.
What county is zip code 99301 in?
Zip code 99301 is located in Franklin County, Washington. The primary city is Pasco.
What is the area code for zip code 99301?
Zip code 99301 in Pasco, WA uses area code 509. It is located in the Pacific (PST/PDT) timezone.
Is zip code 99301 a good place to live?
Zip code 99301 (Pasco, WA) has a cost of living index of 110 (100 = national average), a median household income of $82,517, and median home values of $353,300. The median age is 30.5. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 99301?
The cost of living index for zip code 99301 (Pasco, WA) is 110, where 100 represents the national average. This area is above the national average. Median home value: $353,300.
What schools serve zip code 99301?
Zip code 99301 in Pasco, Washington is served by the local school district of Franklin 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.