Boulder, CO 80309 ZIP Code Profile

Related Place Profiles:
Boulder, CO

ZIP Code 80309: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Boulder, CO 80309

Not Acceptable, USPS
University of Colorado, CO 80309

  • County: Boulder County
  • Centroid: Latitude 40.009, Longitude -105.27
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes
  • Businesses Addresses: 1
  • PO Box Addresses: 0
  • Residential Addresses: 0
    • Multi-Family Addresses: 0
    • Single Family Addresses: 0

The ZIP Code maps and database are updated 4 times per year.
Database updated: May 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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80309 ZIP Code Map

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Boulder, CO 80309 Data & Demographics (As of July 1, 2017)


Total Population 5,062
Daytime Population: Workers 15,632
Daytime Population: Residents 4,044
Total Daytime Population (TDP) 19,676
Ratio TDP/Total Population1 3.89
Population in Households 12
Population in Familes 9
Population in Group Qrtrs 5,050
Population Density2 14,332
Diversity Index3 33


Median Household Income $0
Average Household Income $0
Per Capita Income $4,656


Total Housing Units 7 (100%)
Owner Occupied HU 4 (57.1%)
Renter Occupied HU 1 (14.3%)
Vacant Housing Units 2 (28.6%)
Median Home Value $0
Average Home Value $0


Total Households 5
Average Household Size 2.4
Family Households 3
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population 2.73% 0.0%
Households 0.0% 0.0%
Families 0.0% 0.0%
Median Household Income   0.0%
Per Capita Income   0.0%

Boulder, CO 80309 - Peer Comparisons by Rank and Percentile

The table below compares 80309 to the other 503 ZIP Codes in Colorado by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 218 57th
Population Density # 2 100th
Diversity Index # 282 44th
Median Household Income # 496 0th
Per Capita Income # 496 2nd

Additional comparisons and rankings can be made with a VERY EASY TO USE Colorado Census Data Comparison Tool.

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