Arcatas age cohorts are also distorted by a large percentage of college-age students. Only 15.3% of Arcata residents are under the age of 18, while nearly a third (32.3%) fall between ages 18 and 24, and 27.8% are 25 to 44 years old. Among older age cohorts, 15.9% are 45 to 64 years old, and 8.7% were 65 years of age or older. The median age was 26 years. For every 100 females, there were 99.0 males. For every 100 females age 18 and over, there were 96.9 males.

Question: Which age group makes up most of the population?
Answer: 18 and 24

Question: Which age group makes up the smallest percentage of the population, under 18 or over 64?
Answer: over 64

Question: How many more males are there than males under the age of 18, per every 100 women?
Answer: 2.1

Question: How many age groups make up more than 25% of the population?
Answer: 2

Question: Which age groups make up more than 25% of the population?
Answer: 18 and 24, 25 to 44

Question: What age group makes up the majority of the population?
Answer: 18 and 24

Question: What percentage of the population is the age group that the median age falls into?
Answer: 32.3%

Question: How many more people, in terms of percentage, were in the biggest age group compared to the smallest?
Answer: 23.6

Question: How many more people, in terms of percentage, were in the biggest age group compared to the second smallest?
Answer: 17

Question: How many more people, in terms of percentage, were in the second biggest age group compared to the smallest?
Answer: 19.1

Question: How many more people, in terms of percentage, were in the second biggest age group compared to the second smallest?
Answer: 12.5

Question: How many more people, in terms of percentage, were in the two biggest age groups combined compared to the smallest?
Answer: 51.4

Question: How many more people, in terms of percentage, were in the two biggest age groups combined compared to the second smallest?
Answer: 44.8

Question: How many more people, in terms of percentage, were in the two biggest age groups combined compared to the two smallest combined?
Answer: 36.1

Question: How many more people, in terms of percentage, were in the third biggest age group compared to the smallest?
Answer: 7.2

Question: How many more people, in terms of percentage, were in the third biggest age group compared to the second smallest?
Answer: 0.6

Question: Were more people 45 and over or between 18 and 24?
Answer: between 18 and 24

Question: Were more people 45 and over or under the age of 18?
Answer: 45 and over

Question: Were more people between 25 to 44 or 45 and older?
Answer: between 25 to 44

Question: Which groups in percent are larger than 15%?
Answer: under the age of 18, 18 and 24, 25 to 44, 45 to 64

Question: How many in percent weren't under the age of 18?
Answer: 84.7

Question: How many in percent weren't 18 and 24?
Answer: 67.7

Question: How many in percent weren't 25 to 44?
Answer: 72.2

Question: How many in percent weren't 45 to 64?
Answer: 84.1

Question: How many in percent weren't 65 years of age or older?
Answer: 91.3

Question: Which gender group is larger: females or males?
Answer: females

Question: Which age group is larger: under the age of 18 or 18 and 24?
Answer: 18 and 24

Question: Which age group is smaller: under the age of 18 or 18 and 24?
Answer: under the age of 18

Question: Which age group is larger: 25 to 44 or 45 to 64?
Answer: 25 to 44

Question: Which age group is smaller: 25 to 44 or 45 to 64?
Answer: 45 to 64

Question: Which age group is larger: under the age of 18 or 65 years of age or older?
Answer: under the age of 18