Longmont, CO 80504 ZIP Code Profile

Related Place Profiles:
Firestone, CO | Frederick, CO | Mead, CO

ZIP Code 80504: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Longmont, CO 80504

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

  • ZIP Code Type: STANDARD
  • 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).

  • Businesses Addresses: 679
  • PO Box Addresses: 0
  • Residential Addresses: 19,551
    • Multi-Family Addresses: 684
    • Single Family Addresses: 18,867

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

Address Based Hyperlocal Data Input an address and get data & demographics for the pertinent census block group (CBG), a searchable map and a customized directory. The CBG is the smallest geographical unit used by the Census Bureau for reporting demographic data.


80504 ZIP Code Map

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Longmont, CO 80504 Data & Demographics (As of July 1, 2017)


Total Population 55,526
Daytime Population: Workers 14,126
Daytime Population: Residents 28,167
Total Daytime Population (TDP) 42,293
Ratio TDP/Total Population1 0.76
Population in Households 55,458
Population in Familes 48,665
Population in Group Qrtrs 68
Population Density2 577
Diversity Index3 53


Median Household Income $86,362
Average Household Income $110,271
Per Capita Income $37,510


Total Housing Units 19,385 (100%)
Owner Occupied HU 14,937 (77.1%)
Renter Occupied HU 3,928 (20.3%)
Vacant Housing Units 520 ( 2.7%)
Median Home Value $334,065
Average Home Value $359,960


Total Households 18,865
Average Household Size 2.94
Family Households 14,691
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 2.47% 3.58%
Households 2.24% 3.59%
Families 2.24% 3.58%
Median Household Income   2.19%
Per Capita Income   2.59%

Longmont, CO 80504 - Peer Comparisons by Rank and Percentile

The table below compares 80504 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 # 8 99th
Population Density # 135 73rd
Diversity Index # 148 70th
Median Household Income # 67 87th
Per Capita Income # 140 72nd

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

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