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King County Cities: A Comprehensive Guide

Exploring King County: A Complete Guide to Its Cities

Nestled in the heart of the stunning Pacific Northwest, King County, Washington, offers a diverse array of cities and neighborhoods, each with its own unique character and charm. Whether you’re seeking the vibrant bustle of urban living or the serene beauty of suburban landscapes, King County has something to offer everyone. Join us as we journey through this dynamic region, providing insights into its population figures, demographic makeup, and essential details to help you find the perfect city to call home.


As the county seat and largest city in Washington State, Seattle is a bustling metropolis renowned for its thriving tech industry, rich cultural scene, and breathtaking natural surroundings. With a population exceeding 750,000 residents, Seattle offers a vibrant urban lifestyle amidst iconic landmarks such as the Space Needle, Pike Place Market, and the vibrant neighborhoods of Capitol Hill, Ballard, and Queen Anne.

  • Seattle Population: 755,078
  • Seattle Median Age: 35 years old
  • Seattle Median Household Income: $115,049
  • Seattle Median House Price: $965,000

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Overlooking Downtown Seattle from the Space Needle.


Located just across Lake Washington from Seattle, Bellevue is the county’s second-largest city and a bustling economic hub in its own right. With a population of over 150,000 residents, Bellevue boasts a thriving business district, upscale shopping destinations like Bellevue Square, and a diverse range of residential neighborhoods offering everything from luxury condos to suburban estates.

  • Bellevue Population: 151,820
  • Bellevue Median Age: 38 years old
  • Bellevue Median Household Income: $151,600
  • Bellevue Median House Price: $1,600,000


Known as the “Bicycle Capital of the Northwest,” Redmond is a vibrant city nestled amidst lush forests and scenic lakeshores. With a population of around 70,000 residents, Redmond is home to tech giants like Microsoft and Nintendo, a thriving arts community, a bustling downtown district, and ample outdoor recreation opportunities in nearby parks and trails.

  • Redmond Population: 80,116
  • Redmond Median Age: 34 years old
  • Redmond Median Household Income: $178,528
  • Redmond Median House Price: $1,490,400
Kirkland Moving Company. Aerial image of Kirkland, WA


Situated at the confluence of the Cedar and Black Rivers, Renton is a diverse city with a population exceeding 100,000 residents. Boasting a rich history in aerospace and manufacturing, Renton offers a blend of urban amenities and suburban charm, with vibrant cultural festivals, scenic waterfront parks, and easy access to major transportation corridors.

  • Renton Population: 105,313
  • Renton Median Age: 36 years old
  • Renton Median Household Income: $109,126
  • Renton Median House Price: $767,581


As one of the county’s largest cities, Kent is a culturally diverse community with a population of over 130,000 residents. Located in the fertile Green River Valley, Kent offers a mix of residential neighborhoods, commercial centers, and industrial zones, along with a vibrant arts scene, diverse dining options, and ample recreational facilities.

  • Kent Population: 136,590
  • Kent Median Age: 25 years old
  • Kent Median Household Income: $86,236
  • Kent Median House Price: $622,436

Federal Way

Situated on the shores of Puget Sound, Federal Way is a bustling city with a population of around 100,000 residents. Boasting a thriving economy, diverse population, and scenic waterfront parks, Federal Way offers a blend of urban amenities and natural beauty, making it an ideal destination for both residents and visitors alike. 

  • Federal Way Population: 94,745
  • Federal Way Median Age: 37 years old
  • Federal Way Median Household Income: $76,732
  • Federal Way Median Home Price: $580,000
Why Move to Washington. Bellevue Moving Company. Aerial skyline view of downtown Bellevue, Washington.


Known as the “City of Two Rivers,” Auburn is a vibrant community with a population of over 80,000 residents. With its historic downtown district, scenic parks, and diverse range of housing options, Auburn offers a high quality of life for residents of all ages and backgrounds.

  • Auburn Population: 82,657
  • Auburn Median Age: 36 years old
  • Auburn Median Household Income: $87,406
  • Auburn Median Home Price: $574,000


Tucked away in the lush forests of the Sammamish Plateau, Sammamish is a picturesque city with a population of around 65,000. Boasting top-rated schools, scenic parks, and a strong sense of community, it offers a tranquil retreat from the hustle and bustle of urban life.

  • Sammamish Population: 64,253
  • Sammamish Median Age: 39 years old
  • Sammamish Median Household Income: $211,478
  • Sammamish Median Home Price: $1,604,600

Des Moines

Des Moines is a charming waterfront city with a population of around 30,000 residents. With its scenic marina, vibrant downtown district, and miles of sandy beaches, Des Moines offers a laid-back coastal lifestyle within easy reach of Seattle and Tacoma.

  • Des Moines Population: 32,890
  • Des Moines Median Age: 39 years old
  • Des Moines Median Household Income: $81,302
  • Des Moines Median Home Price: $641,000


Located just north of Seattle, Shoreline is a thriving suburban community with a population of over 60,000. Boasting scenic parks, top-rated schools, and a diverse range of housing options, Shoreline offers a tranquil retreat from the urban hustle while still providing easy access to the city’s amenities.

  • Shoreline Population: 58,608
  • Shoreline Median Age: 42 years old
  • Shoreline Median Household Income: $103,360
  • Shoreline Median Home Price:  $815,000

FAQs About King County Cities

What is the total populationt of King County? 

The population was 2,269,675 in the 2020 census, making it the most populous county in Washington and the 12th-most populous in the United States. Seattle is the state’s most populous city.

What is the most populous city in King County? 

Seattle is the most populous city in King County, with a population of over 750,000.

Which city is right for you? 

With its diverse array of cities and neighborhoods, King County offers something for everyone. Whether you’re drawn to the vibrant energy of urban living or the serene beauty of suburban landscapes, King County invites you to explore its rich tapestry of communities and discover the perfect place to call home.

After you choose the location where you would like to live, contact Lile Relocation Services, the most trusted movers in King County. Call us today at 888-507-6304 or complete our online residential services quote form to set up a FREE in-home moving survey.

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