Zip Code 99336
Kennewick, Washington — Benton County
📍 ZIP code 99336 is in Kennewick, Benton County, Washington.
ZIP code 99336 is located in Kennewick, Benton County, Washington. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 51,180. The area code for ZIP code 99336 is 509.
Quick Answer
Zip code 99336 is in Kennewick, Washington (Benton County). It has a population of 51,180, median household income of $63,308, and median home value of $292,300.
Population
51,180
Income
$63,308
Home Value
$292,300
Climate
91°F / 29°F
About Zip Code 99336
Zip code 99336 is located in Kennewick, Washington, within Benton County. Home to approximately 51,180 residents, this area sits at an elevation of 508 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 509.
The median household income is $63,308 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $292,300, and the cost of living index is 91 (9% below the national average of 100).
Summers average a high of 91°F while winters drop to 29°F. The area receives about 8 in of rain and 15 in of snow annually. The zip code covers 13.3 square miles of land area and 1.4 square miles of water.
Key Statistics
51,180
$63,308
$292,300
Pacific (PST/PDT)
509
508 ft
13.3 sq mi
34.2
20,915
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Compare With Nearby Zip Codes
| Metric | 99336 | 99352 | 99338 | 99337 | 99353 | 99323 |
|---|---|---|---|---|---|---|
| City | Kennewick, WA | Pasco, WA | Pasco, WA | Pasco, WA | Pasco, WA | Burbank, WA |
| Population | 51,180 | 36,641 | 19,235 | 33,080 | 18,702 | 4,198 |
| Median Income | $63,308 | $96,875 | $116,002 | $90,227 | $120,396 | $86,597 |
| Home Value | $292,300 | $442,100 | $526,700 | $356,700 | $407,600 | $358,600 |
| Cost of Living | 91 | 137 | 162 | 118 | 145 | 109 |
| Median Age | 34.2 | 38.4 | 39.2 | 38.7 | 36.1 | 32.4 |
Cost of Living
100 = National Average. Kennewick's cost of living is 9% below the national average.
vs. State Avg
Below
Affordability
Affordable
Income-to-Home
4.6x
Demographics
Zip code 99336 has a population of 51,180 people with a median age of 34.2. There are 20,915 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Kennewick (99336) population trend from 2010 to 2024
↑ 28.3%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
91°F
29°F
8 in
15 in
Kennewick experiences hot summers with average highs around 91°F. Winters are cool with lows averaging 29°F. The area receives about 15 in of snow per year.
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Housing & Economy
Median Home Value
$292,300
Median Household Income
$63,308
With 20,915 housing units across 13.3 square miles, 99336 has a housing density of 1,573 units per square mile. The home price-to-income ratio is 4.6x.
Location & Geography
Latitude
46.2141°
Longitude
-119.1757°
Land Area
13.3 sq mi
Water Area
1.4 sq mi
Nearby Zip Codes
Zip codes closest to 99336 (Kennewick, WA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 99336's $63,308. A way to compare Kennewick 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 99336 (Kennewick, 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 Kennewick, Washington?
Kennewick, Washington uses zip code 99336.
What county is zip code 99336 in?
Zip code 99336 is located in Benton County, Washington.
What is the population of zip code 99336?
The population of zip code 99336 is 51,180 with a median age of 34.2.
Is 99336 in Kennewick, Washington?
Yes, zip code 99336 is in Kennewick, Benton County, Washington. The area code is 509.
Frequently Asked Questions
What city is zip code 99336 in?
Zip code 99336 is in Kennewick, Washington. It is part of Benton County and uses the Pacific (PST/PDT) timezone.
What is zip code 99336?
Zip code 99336 is a U.S. postal code in Kennewick, Washington (Benton County). It has a population of 51,180 and covers 13.3 square miles.
What is the population of zip code 99336?
The population of zip code 99336 (Kennewick, WA) is 51,180 with a median age of 34.2. There are approximately 20,915 housing units in this area.
What is the median income in zip code 99336?
The median household income in zip code 99336 (Kennewick, WA) is $63,308 per year. The cost of living index is 91 (100 = national average).
What is the average home price in zip code 99336?
The median home value in zip code 99336 (Kennewick, WA) is $292,300. The cost of living index is 91 compared to the national average of 100.
What county is zip code 99336 in?
Zip code 99336 is located in Benton County, Washington. The primary city is Kennewick.
What is the area code for zip code 99336?
Zip code 99336 in Kennewick, WA uses area code 509. It is located in the Pacific (PST/PDT) timezone.
Is zip code 99336 a good place to live?
Zip code 99336 (Kennewick, WA) has a cost of living index of 91 (100 = national average), a median household income of $63,308, and median home values of $292,300. The median age is 34.2. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 99336?
The cost of living index for zip code 99336 (Kennewick, WA) is 91, where 100 represents the national average. This area is below the national average. Median home value: $292,300.
What schools serve zip code 99336?
Zip code 99336 in Kennewick, Washington is served by the local school district of Benton 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.