Clark County's estimated 2026 population is 537,997 with a growth rate of 1.1% in the past year according to the most recent United States census data. Clark County is the 5th largest county in Washington. The 2010 population was 426,733 and has seen a growth of 26.07% since that time.
Data after 2023 is projected based on recent change
Overall: 39.1 years
Female: 40 years
Male: 38.2 years
There are 399,487 adults, (86,076 of whom are seniors) in Clark County.
Female: 260,395 (50.4%)
Male: 256,564 (49.6%)
The racial composition of Clark County includes 75.2% White, 5.05% Asian, 4.33% other race, and smaller percentages for Black or African American, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 388,754 | 75.2% |
| Two or more races | 60,137 | 11.63% |
| Asian | 26,084 | 5.05% |
| Other race | 22,405 | 4.33% |
| Black or African American | 11,253 | 2.18% |
| Native Hawaiian or Pacific Islander | 4,383 | 0.85% |
| Native American | 3,943 | 0.76% |
Clark County's average per capita income is $60,255. Household income levels show a median of $97,536. The poverty rate stands at 7.98%.
Name | Median | Mean |
|---|---|---|
| Married Families | $127,038 | $160,114 |
| Families | $112,737 | $142,981 |
| Households | $97,536 | $125,385 |
| Non Families | $61,594 | $82,050 |
Average Income
Median Household Income
Poverty Rate