Cowlitz County, Washington's estimated 2024 population is 113,664 with a growth rate of 0.71% in the past year according to the most recent United States census data. Cowlitz County, Washington is the 12th largest county in Washington. The 2010 population was 102,358 and has seen a growth of 11.05% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 117,664 | 800 | 0.68% |
| 2028 | 116,864 | 800 | 0.69% |
| 2027 | 116,064 | 800 | 0.69% |
| 2026 | 115,264 | 800 | 0.7% |
| 2025 | 114,464 | 800 | 0.7% |
| 2024 | 113,664 | 800 | 0.71% |
| 2023 | 112,864 | 800 | 0.71% |
| 2022 | 112,064 | 379 | 0.34% |
| 2021 | 111,685 | 671 | 0.6% |
| 2020 | 111,014 | 625 | 0.57% |
| 2019 | 110,389 | 1,716 | 1.58% |
| 2018 | 108,673 | 1,873 | 1.75% |
| 2017 | 106,800 | 2,040 | 1.95% |
| 2016 | 104,760 | 1,729 | 1.68% |
| 2015 | 103,031 | 1,220 | 1.2% |
| 2014 | 101,811 | 314 | 0.31% |
| 2013 | 101,497 | -172 | -0.17% |
| 2012 | 101,669 | -644 | -0.63% |
| 2011 | 102,313 | -45 | -0.04% |
| 2010 | 102,358 | 0 | 0% |
| 1990 | 82,119 | 2,571 | 3.23% |
| 1980 | 79,548 | 10,932 | 15.93% |
| 1970 | 68,616 | 10,815 | 18.71% |
| 1960 | 57,801 | 4,432 | 8.3% |
| 1950 | 53,369 | 13,214 | 32.91% |
| 1940 | 40,155 | 8,249 | 25.85% |
| 1930 | 31,906 | 20,115 | 170.6% |
| 1920 | 11,791 | -770 | -6.13% |
| 1910 | 12,561 | 4,684 | 59.46% |
| 1900 | 7,877 | 1,960 | 33.12% |
| 1890 | 5,917 | 3,855 | 186.95% |
| 1880 | 2,062 | 1,332 | 182.47% |
| 1870 | 730 | 324 | 79.8% |
| 1860 | 406 | -117,258 | -99.65% |
White
Two or more races
Other race
Native American
Asian
Black or African American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 43,167 | 2.53 | 66.4 | 33.6 |
| Married | 20,848 | 3.15 | 81 | 19 |
| Non Family | 15,059 | 1.27 | 54.3 | 45.7 |
| Female | 5,066 | 3.4 | 43.8 | 56.2 |
| Male | 2,194 | 3.37 | 63.3 | 36.7 |
3.07
Average Family Size
2.53
Average Household Size
66.4%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 91.79%.
The highest rate of bachelors degrees is among islander people with a rate of 27.73%.
All
Male
Female
$47,154
Average Earnings
$57,680
Average Male
$35,069
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
92.33% of Cowlitz County, Washington residents speak only English, while 7.67% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.32% of the population.
rate
12.14%
Overall Poverty Rate
11.19%
Male Poverty Rate
13.1%
Female Poverty Rate
The race most likely to be in poverty in Cowlitz County, Washington is Native, with 39.9% below the poverty level.
The race least likely to be in poverty in Cowlitz County, Washington is Islander, with 0.97% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.54%. Among those working part-time, it was 13.8%, and for those that did not work, the poverty rate was 18.36%.
Married
Widowed
Divorced
Separated
NeverMarried
49.1%
Overall Marriage Rate
49.5%
Male Marriage Rate
48.6%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
7.77%
Veteran Poverty Rate
35.07%
Veteran Disability Rate
LaborForceParticipation
56.2%
Labor Force Participation
53%
Employment Rate
5.5%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
52.57%
Born in Cowlitz County, Washington
95.87%
Native Born
4.13%
Foreign Born
2.12%
Non Citizen
2.02%
Naturalized
95.87% of Cowlitz County, Washington residents were born in the United States, with 52.57% having been born in Washington. 2.12% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.