Kachemak is a city located in Alaska. With a 2020 population of 488, it is the 59th largest city in Alaska and the 13416th 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 493 in 2016. Spanning over 2 miles, Kachemak has a population density of 295 people per square mile.
The average household income in Kachemak is $81,141 with a poverty rate of 7.58%. The median rental costs in recent years comes to $1,317 per month, and the median house value is $304,400. The median age in Kachemak is 50.8 years, 54.8 years for males, and 50.4 years for females. For every 100 females there are 109.4 males.