Kachemak is a city located in Alaska. With a 2020 population of 488, it is the 58th largest city in Alaska and the 13424th largest city in the United States . Kachemak is currently declining at a rate of -0.20% annually but its population has increased by since the most recent census, which recorded a population of in 2010. Kachemak reached it's highest population of in . Spanning over 2 miles, Kachemak has a population density of 295 people per square mile.
The average household income in Kachemak is $77,051 with a poverty rate of 13.71%. The median rental costs in recent years comes to $1,317 per month, and the median house value is $298,400. The median age in Kachemak is 48.7 years, 47.5 years for males, and 50.1 years for females.