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ZIP Code 98311, Washington

ZIP Code 98311 profile, demographic data, and geographic information.

ZCTA5 98311 is a 5-digit ZIP Code area located in Kitsap County, Washington. As of official census estimates, it has a reported population of 28,168. The land area covers 11.20 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 28,168 ±1,483 2020-2024 / Census ACS 5-Year 2024
Median Age 38 yrs ±2.1 2020-2024 / Census ACS 5-Year 2024
Total Households 10,458 ±574 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 11,052 ±500
Occupied Housing Units 10,458 ±574
Vacant Housing Units 594 ±263
Median Home Value $471,800 ±$12,777
Median Gross Rent $1,948 ±$159
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $108,757 ±$4,986
Per Capita Income $46,797 ±$2,635
Poverty Rate 8.1% ±2.2%
Population Below Poverty Level 2,282 ±632
Unemployment Rate 5.1% ±1.4%
Civilian Labor Force, Employed 12,759 ±977
Broadband Internet Rate 96.5% ±1.7%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 281,420 (2024)
ID: 176798
County Official County Government
Contact: BUDGET AND FIANCE MANAGER
614 DIVISION ST, MS-7, PORT ORCHARD WA 98366-4691

Education

Listing 10 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby KG-05 SEATTLE, WA
Regular School Nearby 06-08 Shoreline, WA
Regular School Nearby PK-05 SEATTLE, WA
Regular School Nearby PK-05 SEATTLE, WA
Regular School Nearby KG-05 Bremerton, WA
Regular School Nearby PK-05 SEATTLE, WA
Regular School Nearby 09-12 Bainbridge Island, WA
Special Education School Nearby PK-12 Bainbridge Island, WA
Regular School Nearby 09-12 SEATTLE, WA
Alternative School Nearby KG-12 Bremerton, WA
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 10 civic institutions across 2 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
Olympic College
College 3.6 mi away 1600 Chester Ave, Bremerton, WA, 98337-1699
3607926050
SYLVAN WAY LIBRARY
Library 2.3 mi away 1301 SYLVAN WAY, BREMERTON, WA, 98310
(360) 447-5480
Seattle Film Institute
College 12.5 mi away 3210 16th Avenue W, Seattle, WA, 98119-1707
2065684387
SILVERDALE LIBRARY
Library 2.8 mi away 3450 NW CARLTON ST., SILVERDALE, WA, 98383
(360) 447-5470
Seattle Pacific University
College 13.2 mi away 3307 3rd Ave W, Seattle, WA, 98119-1997
2062812000
BREMERTON – DR. MARTIN LUTHER KING JR. LIBRARY
Library 4.2 mi away 612 5TH ST., BREMERTON, WA, 98337
(360) 447-5420
Academy of Interactive Entertainment
College 13.6 mi away 305 Harrison St Ste 405, Seattle, WA, 98109-4623
2064286350
BAINBRIDGE ISLAND LIBRARY
Library 5.7 mi away 1270 MADISON N., BAINBRIDGE ISLAND, WA, 98110
(206) 451-5050
The Seattle School of Theology & Psychology
College 13.7 mi away 1130 Rainier Ave S, Seattle, WA, 98144
2068766100
PORT ORCHARD LIBRARY
Library 5.8 mi away 87 SIDNEY ST., PORT ORCHARD, WA, 98366
(360) 447-5440
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at BREMERTON, WA US, located 4.4 miles from ZCTA5 98311. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 46.6° 35.6° 41.1° 9.28" 0.6"
February 49.4° 35.1° 42.3° 5.83" 0.7"
March 53.7° 37.7° 45.7° 6.37" 0.1"
April 59.0° 41.0° 50.0° 3.86" 0.0"
May 65.8° 46.5° 56.2° 2.36" 0.0"
June 70.2° 51.1° 60.7° 1.61" 0.0"
July 76.5° 54.6° 65.6° 0.83" 0.0"
August 77.3° 55.1° 66.2° 1.09" 0.0"
September 71.9° 51.1° 61.5° 1.80" 0.0"
October 60.6° 44.7° 52.6° 5.14" 0.0"
November 51.2° 38.7° 45.0° 8.84" 0.3"
December 45.6° 35.0° 40.3° 9.92" 1.3"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Tracyton CDP CDP 1.3 mi —
Rocky Point CDP CDP 2.5 mi —
Erlands Point CDP CDP 3.0 mi —
Silverdale CDP CDP 3.3 mi —
Enetai CDP CDP 3.4 mi —
Chico CDP CDP 3.6 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 98311. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.