What is the population of Kelso?

The population of Kelso, WA is 12,438.

Where is Kelso located?

Kelso, WA is located at latitude 46.1467800 and longitude -122.9084400. It is in United States.

What is the elevation of Kelso?

Kelso, WA has an elevation of 23 meters (75 feet) above sea level.

What time zone is Kelso in?

Kelso, WA is in the America/Los_Angeles time zone.

What state is Kelso in?

Kelso is in the state of Washington, United States.

What county is Kelso, WA in?

Kelso is in Cowlitz County, Washington.

How has the population of Kelso changed?

The population of Kelso, WA has increased from 11,925 (2010) to 12,438 (2020), a change of 4.3%.

Kelso, Washington

Kelso: town and parish in Scottish Borders, Scotland

About

Kelso is a town located in the county of Cowlitz in the U.S. state of Washington. Its population at the 2010 census was 11,925. After 10 years in 2020 city had an estimated population of 12,438 inhabitants.

Quick Facts about Kelso

Population	12,438 (2020)
Country	United Kingdom
State	Washington (United States)
County	Cowlitz County
Postal code	TD5
Phone Area Codes	01573
Latitude & Longitude	46.1468,-122.9084
Altitude	75 feet / 23 meters
Time Zone	UTC±00:00
Local time	14:48:50 (22nd April 2026)
Population growth	4.12% (2010-2020)
Weather	48℉ Light Rain Likely 7-days weather

Kelsocobbypanorama image

Geography

Kelso is located at 46°8'48"N 122°54'30"W (46.1467800, -122.9084400).

Kelso map

Click "full screen"

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Weather

48°F

Light Rain Likely

6 mph W Tuesday Night

Rain likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

7-Day Forecast

Official website of Kelso

Official Website

Kelso
Orchies

Demographics

The population of Kelso increased by 4.12% in 10 years.

Year	Population	% Change	Method
2010	11,925	-	census
2011	11,868	-0.48%	estimation process
2012	11,773	-0.81%	estimation process
2013	11,725	-0.41%	estimation process
2014	11,718	-0.06%	estimation process
2015	11,809	0.77%	estimation process
2016	11,968	1.33%	estimation process
2017	12,125	1.29%	estimation process
2018	12,283	1.29%	estimation process
2019	12,417	1.08%	estimation process
2020	12,438	0.17%	estimation process

Kelso zip code is 98626. County name: Cowlitz, County fips: 53015

KLS, Kelsou, Wallace's, kai er suo, keruso, klsw washyngtn, kylsw, Келсо, Келсоу, كيلسو, کلسو، واشینگتن, ケルソー, 凱爾索, 켈소

Where to Stay in Kelso

1Motel 6 Kelso, WA - Mt. St. Helens

Rating: 3.4 (897)

106 N Minor Rd, Kelso, WA 98626, United States View details

Phone: +13604253229 | Website available

2Red Lion Hotel Kelso Longview

Rating: 3.4 (824)

510 S Kelso Dr, Kelso, WA 98626, United States View details

Phone: +13606364400 | Website available

3Super 8 by Wyndham Kelso Longview Area

Rating: 3.5 (629)

250 S Kelso Dr, Kelso, WA 98626, United States View details

Phone: +13605620985 | Website available

4Best Western Aladdin Inn

Rating: 3.9 (547)

310 Long Ave, Kelso, WA 98626, United States View details

Phone: +13604259660 | Website available

5GuestHouse Kelso Longview

Rating: 4 (487)

501 Three Rivers Dr, Kelso, WA 98626, United States View details

Phone: +13604145953 | Website available

Services and Civic Places in Kelso

1Kelso City Water-Sewer Bills

Rating: 1.6 (7)

203 S Pacific Ave, Kelso, WA 98626, United States View details

Phone: +13604230900 | Website available

2City of Kelso

Rating: 3.3 (4)

203 S Pacific Ave, Kelso, WA 98626, United States View details

Phone: +13604231371 | Website available

3Kelso Public Works Department

Rating: 5 (2)

2300 Parrott Way, Kelso, WA 98626, United States View details

Phone: +13604235730 | Website available

4Kelso City Attorney

203 S Pacific Ave, Kelso, WA 98626, United States View details

Phone: +13604231371 | Website available

5Kelso Stormwater

2300 Parrott Way, Kelso, WA 98626, United States View details

Phone: +13604235730

6Kelso City Parks & Recreation

203 S Pacific Ave, Kelso, WA 98626, United States View details

Phone: +13605777119

7Kelso City Public Works

203 S Pacific Ave, Kelso, WA 98626, United States View details

Phone: +13604236590 | Website available

8Kelso City Mayor

203 S Pacific Ave, Kelso, WA 98626, United States View details

Phone: +13604231719 | Website available

9Kelso Building Permits

203 S Pacific Ave, Kelso, WA 98626, United States View details

Phone: +13604239922 | Website available

10Kelso City Office

2300 Parrott Way, Kelso, WA 98626, United States View details

Phone: +13605771085 | Website available

People born in Kelso (37)

People born in Kelso, including British orientalist James R. Ballantyne, Scottish athlete Henry Macintosh, Scottish civil engineer, structural engineer and shipbuilder William Fairbairn, .

More notable people

Henry James Sumner Maine (British comparative jurist and historian) he was born in 15/08/1822
William Henry Ogilvie (Scottish-Australian poet) he was born in 21/08/1869
James Innes-Ker, 7th Duke of Roxburghe (British politician (1839-1892)) he was born in 05/09/1839
Alan Tait (Scottish rugby union footballer and coach, and rugby league footballer) he was born in 02/11/1964
John Jeffrey (Scottish rugby union footballer and coach) he was born in 25/03/1959
Maurice Nicoll (British writer) he was born in 19/07/1884
Roger Baird (Scottish rugby union player) he was born in 12/04/1960
Walter Torrie Forrest (Scottish rugby union player) he was born in 14/11/1880
Henry Oliver (Royal Navy admiral of the fleet) he was born in 22/01/1865
Alastair Ogilvy (RAF officer) he was born in 30/11/1915
Archibald Laidlie (dutch reformed clergy) he was born in 04/12/1727
Donald Dickson Farmer (recipient of the Victoria Cross) he was born in 28/05/1877
George Arnold (Scottish settler in Ontario) he was born in 01/01/1814
Gordon Cottington (Scottish rugby union and rugby league footballer) he was born in 01/01/1939
James Ballantyne (British publisher) he was born in 01/01/1772
James Brunlees (British engineer) he was born in 01/01/1816
Rosemary Payne (British discus thrower) she was born in 19/05/1933
Ryan Flannigan (cricketer (born 1988)) he was born in 30/06/1988

Nearby Schools and Colleges

Schools and campuses linked to Kelso, WA. Select a name to open its map and contact details.

Code	Name	City	ZIP
235750	Lower Columbia College	Longview (WA)	98632-0310

Nearby Transit Stations (17)

Rail and bus stations connected to Kelso, WA. Select a station to open its map and address details.

Code	Name	Address	Type
KEL	Kelso Multimodal Transportation Center	501 South First Street	RAIL
MNI	Manning, Oregon	47000 Highway 26	BUS
ELS	Elsie, Oregon	44573 Highway 26	BUS
VAN	Vancouver station	1301 West 11th Street	RAIL
CTL	Centralia station	210 Railroad Avenue	RAIL

Nearby Post Offices

Closest post offices linked to Kelso.

Post Office Name	City	ZIP
Kel Post Office	Kelso (WA)	98626
Longview Post Office	Longview (WA)	98632
Rainier Post Office	Rainier (OR)	97048
Carroll Post Office	Carrolls (WA)	98609
Castle Rock Post Office	Castle Rock (WA)	98611

Other places with the same name (2)

Kelso, Missouri city in Scott County, Missouri, United States of America with a population of 589 people.
Kelso, North Dakota township in Traill County, North Dakota with a population of 78 people.

Other cities in Cowlitz County

Cities, towns, neighborhoods & other populated places in Cowlitz County , WA.

City Name	Population	Title
Longview	38,515	City in Washington state, United States
Woodland	6,548	Town in Washington state, United States
Longview Heights	3,851	Census designated place
Kalama	2,844	City in Cowlitz County, Washington, United States
West Longview	2,698	Unincorporated community
Castle Rock	2,304	City in Cowlitz County, Washington, United States

Distance to Other Cities

Kelso distances to largest Washington cities