Keswick, CA has a population of 484 and is the 19,725th largest city in the United States. The population density is 143 per sq mi which is 38% lower than the California average and 58% higher than the national average. The median age in Keswick is 43 which is approximately 18% higher than the California average of 36. In Keswick, 57% of the population over 15 years of age are married, 89% speak English and 0% speak Spanish. 77% of Keswick residents were born in California, 20% were born out of state, 0% were born outside of the United States and 3% were foreign born.
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The population density in Keswick is 38% lower than California.
The median age in Keswick is 18% higher than California.
In Keswick 62.81% of the population is White.
In Keswick 0.00% of the population is Black or African American.