Longmont, CO 80504 ZIP Code Profile

Related Place Profiles:
Firestone, CO | Frederick, CO

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ZIP Code 80504: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Longmont, CO 80504

Acceptable Alternative
Firestone, CO 80504
Frederick, CO 80504
Niwot, CO 80504

  • ZIP Code Type: STANDARD
  • Businesses Addresses: 630
  • Single Family Addresses: 18,279
  • Multi-Family Addresses: 384
  • County: Weld County
  • Centroid: Latitude 40.16, Longitude -104.966
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes

ZIP Code 80504 has segments in 3 Counties (Boulder, Larimer, Weld).

Neighborhood Data

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80504 ZIP Code Map

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Longmont, CO 80504 Data & Demographics (As of July 1, 2016)


Total Population 53,491
Population in Households 53,446
Population in Familes 46,922
Population in Group Qrtrs 45
Population Density1 537
Diversity Index2 53


Total Households 18,204
Average Household Size 2.94
Family Households 14,203
Average Family Size 3


Total Housing Units 19,000 (100%)
Owner Occupied HU 14,442 (76.0%)
Renter Occupied HU 3,762 (19.8%)
Vacant Housing Units 796 ( 4.2%)
Median Home Value $322,932
Average Home Value $345,842


Median Household Income $82,750
Average Household Income $103,607
Per Capita Income $35,291
  (Compound Annual Growth Rates)


2010-2015 2015-2020
Population 2.15% 1.9%
Households 1.96% 1.82%
Families 1.97% 1.8%
Median Household Income   2.7%
Per Capita Income   2.08%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood 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.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.

Longmont, CO 80504 - Peer Comparisons by Rank and Percentile

The table below compares 80504 to the other 504 ZIP Codes in Colorado by rank and percentile using July 1, 2016 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 # 8 99th
Population Density1 # 137 73rd
Diversity Index2 # 138 72nd
Median Household Income # 61 88th
Per Capita Income # 144 72nd

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

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