303 Area Code

45 cities use the 303 area code in Colorado.

The 303 area code spans 12 counties in Colorado.

Median age: 37.08

Median age in Area Code 303 is 37.08 years. 11.50% of residents are aged 0-9. 12.42% of residents are aged 10-19. The percentage of residents in their twenties is 14.72. 16.50 % are in their thirties, 13.39% in their fourties, 12.35 % in their fifties, and 10.44 % in their sixties. 5.91 % of residents are in their seventies and 2.80 % are eighty and over.

49.37% are female
50.63% are male

50.63% of residents in Area Code 303 are male and 49.37% are female. 48.61% of residents are married and 12.85% are divorced. 34.68% have never been married. 3.86% are widowed. The average size of resident families is 3.13.

Median household income: 89,115.34
61.05% have two income earners
42.91% of households earn $100,000+

Median household income in Area Code 303 is $89,115.34 with 61.05% of families having two income earners. 42.91% of households earn at least $100,000. 2.47% of households have an income under $5,000, 1.72% from $5,000-$10,000, 2.55% from $10,000-$15,000, 2.45% from $15,000-$20,000, 2.90% from $20,000-$25,000, 6.04% from $25,000-$35,000, 9.61% from $35,000-$50,000, 16.17% from $50,000-$75,000, 13.19% from $75,000-$100,000, 19.42% from $100,000-$150,000 and 23.49% over $150,000. The median income of individuals is $44,525.59.

Median home value: $458,780.97
Median rent: $1,579.91
Rent burden: 32.73%

64.13% of households in Area Code 303 own (rather than rent) their residence. The median value of those homes is $458,780.97. The median rent paid by renters is $1,579.91 or 32.73% of the median renter's household income.

46.44% have a Science and Engineering degree

8.84% of residents in Area Code 303 have less than a high school education. 19.04% have a high school diploma but no more. 26.13% of residents have some college but no more. 28.62% have a bachelor's degree (or equivalent) but no more. 17.38% have a graduate degree. 46.44% have a Bachelor's degree or higher in a Science and Engineering (or related) field.

27.29 minutes of commute time

70.98% of residents in Area Code 303 16 and older are in the labor force. 4.38% of residents are unemployed. The median commute time of resident workers in Area Code 303 is 27.29 minutes.

23.65% report being Hispanic

76.54% of residents in Area Code 303 report their race as White. 4.64% report their race as Black or African American. 4.04% report their race as Asian. 0.78% report their race as American Indian and Alaska Native. 0.12% report their race as Native Hawaiian and Other Pacific Islander. 5.23% report their race as Some other race. 8.63% report their race as Two or more races. 23.65% report being Hispanic. Note: Hispanic is considered to be an ethnicity and not a race.

9.85% report a disability
3.12% speak limited English
7.87% have no health insurance
6.65% are veterans

9.85% of residents in Area Code 303 report a disability. 3.12% of residents only speak limited English. 7.87% of residents report not having health insurance. 6.65% of residents are veterans.

There are 115 ZIP codes within the 303 area code, covering cities across 12 counties in Colorado.

• 719 (Denver, CO)
• 720 (Denver, CO)
• 970 (Denver, CO)