Zip Code 98101
Seattle, Washington — King County
📍 ZIP code 98101 is in Seattle, King County, Washington.
ZIP code 98101 is located in Seattle, King County, Washington. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 16,396. The area code for ZIP code 98101 is 206.
Quick Answer
Zip code 98101 is in Seattle, Washington (King County). It has a population of 16,396, median household income of $128,143, and median home value of $741,400.
Population
16,396
Income
$128,143
Home Value
$741,400
Climate
77°F / 37°F
About Zip Code 98101
Zip code 98101 is located in Seattle, Washington, within King County. Home to approximately 16,396 residents, this area sits at an elevation of 126 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 206.
The median household income is $128,143 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $741,400, and the cost of living index is 225 (125% above the national average of 100).
Summers average a high of 77°F while winters drop to 37°F. The area receives about 36 in of rain and 5 in of snow annually. The zip code covers 0.5 square miles of land area and 0.1 square miles of water.
Key Statistics
16,396
$128,143
$741,400
Pacific (PST/PDT)
206
126 ft
0.5 sq mi
34
13,193
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Compare With Nearby Zip Codes
| Metric | 98101 | 98154 | 98164 | 98174 | 98104 | 98121 |
|---|---|---|---|---|---|---|
| City | Seattle, WA | Seattle, WA | Seattle, WA | Seattle, WA | Seattle, WA | Seattle, WA |
| Population | 16,396 | 0 | 235 | 0 | 15,870 | 20,904 |
| Median Income | $128,143 | $0 | $250,001 | $0 | $61,866 | $148,974 |
| Home Value | $741,400 | $0 | $714,600 | $0 | $663,000 | $796,600 |
| Cost of Living | 225 | 100 | 250 | 100 | 187 | 248 |
| Median Age | 34 | -666666666 | 43.1 | -666666666 | 36.5 | 33.3 |
Cost of Living
100 = National Average. Seattle's cost of living is 125% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
5.8x
Demographics
Zip code 98101 has a population of 16,396 people with a median age of 34. There are 13,193 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Seattle (98101) population trend from 2010 to 2024
↓ -26.7%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
77°F
37°F
36 in
5 in
Seattle experiences mild summers with average highs around 77°F. Winters are mild with lows averaging 37°F. The area receives about 5 in of snow per year.
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Housing & Economy
Median Home Value
$741,400
Median Household Income
$128,143
With 13,193 housing units across 0.5 square miles, 98101 has a housing density of 26,386 units per square mile. The home price-to-income ratio is 5.8x.
Location & Geography
Latitude
47.6109°
Longitude
-122.3364°
Land Area
0.5 sq mi
Water Area
0.1 sq mi
Nearby Zip Codes
Zip codes closest to 98101 (Seattle, WA) with distances:
All Zip Codes in Seattle, WA
Other zip codes serving Seattle:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 98101's $128,143. A way to compare Seattle 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 98101 (Seattle, 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 Seattle, Washington?
Seattle, Washington uses zip code 98101 along with 11 other zip codes.
What county is zip code 98101 in?
Zip code 98101 is located in King County, Washington.
What is the population of zip code 98101?
The population of zip code 98101 is 16,396 with a median age of 34.
Is 98101 in Seattle, Washington?
Yes, zip code 98101 is in Seattle, King County, Washington. The area code is 206.
Frequently Asked Questions
What city is zip code 98101 in?
Zip code 98101 is in Seattle, Washington. It is part of King County and uses the Pacific (PST/PDT) timezone.
What is zip code 98101?
Zip code 98101 is a U.S. postal code in Seattle, Washington (King County). It has a population of 16,396 and covers 0.5 square miles.
What is the population of zip code 98101?
The population of zip code 98101 (Seattle, WA) is 16,396 with a median age of 34. There are approximately 13,193 housing units in this area.
What is the median income in zip code 98101?
The median household income in zip code 98101 (Seattle, WA) is $128,143 per year. The cost of living index is 225 (100 = national average).
What is the average home price in zip code 98101?
The median home value in zip code 98101 (Seattle, WA) is $741,400. The cost of living index is 225 compared to the national average of 100.
What county is zip code 98101 in?
Zip code 98101 is located in King County, Washington. The primary city is Seattle.
What is the area code for zip code 98101?
Zip code 98101 in Seattle, WA uses area code 206. It is located in the Pacific (PST/PDT) timezone.
Is zip code 98101 a good place to live?
Zip code 98101 (Seattle, WA) has a cost of living index of 225 (100 = national average), a median household income of $128,143, and median home values of $741,400. The median age is 34. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 98101?
The cost of living index for zip code 98101 (Seattle, WA) is 225, where 100 represents the national average. This area is above the national average. Median home value: $741,400.
What schools serve zip code 98101?
Zip code 98101 in Seattle, Washington is served by the local school district of King 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.