Colorado Gazetteer
Also See Thornton, CO: ZIP Codes & Maps
The City of Thornton is the 6th largest city in Colorado with a population of 144,187 as of 2020-2024 American Community Survey 5-Year Estimates. Thornton ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Colorado. See peer rankings below.
The primary coordinate point for Thornton is located at latitude 39.868 and longitude -104.9719 in Adams County. The formal boundaries for the City of Thornton encompass a land area of 35.11 sq. miles and a water area of 1.05 sq. miles. Adams County is in the Mountain time zone (GMT -7).
The City of Thornton has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.
Colorado is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Thornton is located within West Adams Division of Adams County.
Source: 2020-2024 American Community Survey 5-Year Estimates
POPULATION | |
|---|---|
| Total Population | 144,187 (100%) |
| Population Density | 3,934 per sq mi |
| Diversity Index1 | 60 |
INCOME | |
| Median Household Income | $103,088 |
| Per Capita Income | $43,571 |
| Median Home Value | $517,500 |
HOUSING | |
|---|---|
| Total HU (Housing Units) | 52,250 (100%) |
| Owner Occupied HU | 36,109 (69.1%) |
| Renter Occupied HU | 14,457 (27.7%) |
| Vacant Housing Units | 1,684 (3.2%) |
HOUSEHOLDS | |
| Total Households | 50,566 |
| Average Household Size | 2.84 |
| Family Households | 35,533 (70.3%) |
The table below compares Thornton to the other 482 incorporated cities, towns and CDPs in Colorado by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates 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 | # 6 | 99th |
| Population Density | # 26 | 95th |
| Median Household Income | # 157 | 68th |
| Per Capita Income | # 227 | 53rd |
| Diversity Index | # 25 | 95th |
Additional comparisons and rankings can be made with a VERY EASY TO USE Colorado Census Data Comparison Tool.
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