Seacliff is a CDP located in Santa Cruz County, California. Seacliff has a 2025 population of 3,621 . Seacliff is currently growing at a rate of 0.67% annually and its population has increased by 1.15% since the most recent census, which recorded a population of 3,580 in 2020.
The average household income in Seacliff is $160,298 with a poverty rate of 5.07%. The median age in Seacliff is 44.6 years: 46.9 years for males, and 43.2 years for females. For every 100 females there are 101.9 males.
Data after 2023 is projected based on recent change
The racial composition of Seacliff includes 67.72% White, 11.01% other race, and smaller percentages for Asian, Native Hawaiian or Pacific Islander, Black or African American, Native American and multiracial populations.
White (67.72%)
Two or more races (13.76%)
Other race (11.01%)
Asian (2.98%)
Native Hawaiian or Pacific Islander (2.95%)
Black or African American (0.8%)
Native American (0.77%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 2,362 | 67.72% |
| Two or more races | 480 | 13.76% |
| Other race | 384 | 11.01% |
| Asian | 104 | 2.98% |
| Native Hawaiian or Pacific Islander | 103 | 2.95% |
| Black or African American | 28 | 0.8% |
| Native American | 27 | 0.77% |
Married
Widowed
Divorced
Separated
Never Married
Seacliff's average per capita income is $90,595. Household income levels show a median of $121,845. The poverty rate stands at 5.07%.
Name | Median | Mean |
|---|---|---|
| Married Families | $181,667 | - |
| Families | $125,515 | $185,976 |
| Households | $121,845 | $160,298 |
| Non Families | $92,045 | $118,782 |
Average Income
Median Household Income
Poverty Rate