Zip Code 98512
Tumwater, Washington — Thurston County
📍 ZIP code 98512 is in Tumwater, Thurston County, Washington.
ZIP code 98512 is located in Tumwater, Thurston County, Washington. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 31,291. The area code for ZIP code 98512 is 360.
Quick Answer
Zip code 98512 is in Tumwater, Washington (Thurston County). It has a population of 31,291, median household income of $93,738, and median home value of $438,800.
Population
31,291
Income
$93,738
Home Value
$438,800
Climate
78°F / 33°F
About Zip Code 98512
Zip code 98512 is located in Tumwater, Washington, within Thurston County. Home to approximately 31,291 residents, this area sits at an elevation of 857 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 360.
The median household income is $93,738 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $438,800, and the cost of living index is 133 (33% above the national average of 100).
Summers average a high of 78°F while winters drop to 33°F. The area receives about 51 in of rain and 4 in of snow annually. The zip code covers 150.6 square miles of land area and 1.8 square miles of water.
Key Statistics
31,291
$93,738
$438,800
Pacific (PST/PDT)
360
857 ft
150.6 sq mi
41.2
13,216
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Compare With Nearby Zip Codes
| Metric | 98512 | 98502 | 98501 | 98557 | 98559 | 98506 |
|---|---|---|---|---|---|---|
| City | Tumwater, WA | Olympia, WA | Tumwater, WA | Mccleary, WA | Elma, WA | Olympia, WA |
| Population | 31,291 | 35,043 | 46,937 | 3,949 | 0 | 18,763 |
| Median Income | $93,738 | $87,154 | $95,695 | $78,023 | $0 | $93,968 |
| Home Value | $438,800 | $496,500 | $485,200 | $351,000 | $0 | $469,700 |
| Cost of Living | 133 | 145 | 147 | 111 | 100 | 135 |
| Median Age | 41.2 | 38.8 | 39.5 | 41.1 | -666666666 | 47.3 |
Cost of Living
100 = National Average. Tumwater's cost of living is 33% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.7x
Demographics
Zip code 98512 has a population of 31,291 people with a median age of 41.2. There are 13,216 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Tumwater (98512) population trend from 2010 to 2024
↑ 55.5%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
78°F
33°F
51 in
4 in
Tumwater experiences mild summers with average highs around 78°F. Winters are mild with lows averaging 33°F. The area receives about 4 in of snow per year.
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Housing & Economy
Median Home Value
$438,800
Median Household Income
$93,738
With 13,216 housing units across 150.6 square miles, 98512 has a housing density of 88 units per square mile. The home price-to-income ratio is 4.7x.
Location & Geography
Latitude
46.9750°
Longitude
-123.0636°
Land Area
150.6 sq mi
Water Area
1.8 sq mi
Nearby Zip Codes
Zip codes closest to 98512 (Tumwater, WA) with distances:
All Zip Codes in Tumwater, WA
Other zip codes serving Tumwater:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 98512's $93,738. A way to compare Tumwater 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 98512 (Tumwater, 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 Tumwater, Washington?
Tumwater, Washington uses zip code 98512 along with 2 other zip codes.
What county is zip code 98512 in?
Zip code 98512 is located in Thurston County, Washington.
What is the population of zip code 98512?
The population of zip code 98512 is 31,291 with a median age of 41.2.
Is 98512 in Tumwater, Washington?
Yes, zip code 98512 is in Tumwater, Thurston County, Washington. The area code is 360.
Frequently Asked Questions
What city is zip code 98512 in?
Zip code 98512 is in Tumwater, Washington. It is part of Thurston County and uses the Pacific (PST/PDT) timezone.
What is zip code 98512?
Zip code 98512 is a U.S. postal code in Tumwater, Washington (Thurston County). It has a population of 31,291 and covers 150.6 square miles.
What is the population of zip code 98512?
The population of zip code 98512 (Tumwater, WA) is 31,291 with a median age of 41.2. There are approximately 13,216 housing units in this area.
What is the median income in zip code 98512?
The median household income in zip code 98512 (Tumwater, WA) is $93,738 per year. The cost of living index is 133 (100 = national average).
What is the average home price in zip code 98512?
The median home value in zip code 98512 (Tumwater, WA) is $438,800. The cost of living index is 133 compared to the national average of 100.
What county is zip code 98512 in?
Zip code 98512 is located in Thurston County, Washington. The primary city is Tumwater.
What is the area code for zip code 98512?
Zip code 98512 in Tumwater, WA uses area code 360. It is located in the Pacific (PST/PDT) timezone.
Is zip code 98512 a good place to live?
Zip code 98512 (Tumwater, WA) has a cost of living index of 133 (100 = national average), a median household income of $93,738, and median home values of $438,800. The median age is 41.2. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 98512?
The cost of living index for zip code 98512 (Tumwater, WA) is 133, where 100 represents the national average. This area is above the national average. Median home value: $438,800.
What schools serve zip code 98512?
Zip code 98512 in Tumwater, Washington is served by the local school district of Thurston 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.