Fort Lupton, CO: Population, ZIP Codes & Nearby Cities
Fort Lupton is a small incorporated city in Weld County, Colorado. In the dataset behind this page it has an estimated population of 10,208, sits at 40.083°N, 104.802°W, and observes Mountain time. Below you will find how it ranks inside Colorado, which ZIP codes it uses, the closest places around it, and how far it is from major US cities.
What are the key facts about Fort Lupton, CO?
| Place | Fort Lupton |
|---|---|
| Type | Small incorporated city |
| State | Colorado |
| County | Weld County (FIPS 08123) |
| Estimated population | 10,208 |
| Density | 749 per sq mi (289 per sq km) |
| Coordinates | 40.0831, -104.8024 |
| Time zone | Mountain time (UTC−7, America/Denver) |
| ZIP codes | 1 (80621) |
| Rank in state | 68th of 448 listed places |
| Nearest city over 100,000 | Thornton, CO (14 mi) |
What is the population of Fort Lupton, CO?
Fort Lupton has an estimated population of 10,208. That makes it the 68th largest of the 448 places we list in Colorado, and the 7th largest of 26 places in Weld County. The typical place in Colorado has about 914 residents, so Fort Lupton is roughly 11.2 times the size of a typical neighbor in the state.
Estimates for places of this size carry wider margins of error than those for big cities, so treat the figure as a guide to scale. Our guide to understanding city population numbers explains why sources disagree.
Places in Colorado with a similar population include Castle Pines (10,763), Alamosa (10,652), Wellington (10,437), Gunbarrel (10,202), Stonegate (9,847). Comparing these pages is a quick way to see how Fort Lupton differs from communities of the same scale.
How dense is Fort Lupton?
Fort Lupton has about 749 people per square mile (289 per square kilometer), which we classify as small-town or exurban. Within Colorado, it is denser than about 48% of the listed places. Homes at this level are spread out with larger lots, and most daily trips involve a car, though a small central area may still be walkable. Read how to interpret population density to see how we draw these lines.
What ZIP codes does Fort Lupton use?
Fort Lupton uses one ZIP code: 80621. A single code usually means a compact delivery area, but the same code may also serve addresses just outside the town line. Codes beginning with 8 are assigned to the Mountain West (Arizona, Colorado, Idaho, Nevada, New Mexico, Utah and Wyoming). Learn more in our guide to how ZIP codes work or check any code with the ZIP code lookup.
What time zone is Fort Lupton in?
Fort Lupton is in the Mountain time zone, which is UTC−7 from Coordinated Universal Time in standard time (IANA zone America/Denver). The area observes daylight saving time, so clocks move forward in March and back in November. The nearest listed place in a different time zone is Colby, KS, about 205 miles away, which gives a sense of how far the nearest zone boundary may be. Current local time: see the Mountain time hub. For the rules behind these zones, read US time zones explained.
Where is Fort Lupton located in Colorado?
Fort Lupton lies in the northern part of Colorado, at 40.083° north latitude and 104.802° west longitude. The state capital, Denver, is about 23 miles to the south. The closest listed place in another state is Cheyenne, WY, roughly 73 miles to the north, which shows how near Fort Lupton is to a state line. For big-city services, the nearest place with more than 100,000 people is Thornton, CO, 14 miles to the southwest.
Which cities are near Fort Lupton, CO?
The closest listed place to Fort Lupton is Lochbuie, CO, 6.3 miles to the southeast. Of the eight nearest places below, 4 are in the same county. Distances are straight-line (great-circle) miles measured between place centers; see how distance is calculated.
| Place | Distance | Direction | Population |
|---|---|---|---|
| Lochbuie | 6.3 mi | Southeast | 7,304 |
| Brighton | 7.7 mi | South | 41,554 |
| Dacono | 7.9 mi | West | 6,034 |
| Frederick | 9.0 mi | West | 13,960 |
| Firestone | 9.3 mi | Northwest | 34,230 |
| Erie | 12.9 mi | West | 27,003 |
| Thornton | 13.5 mi | Southwest | 141,464 |
| Northglenn | 15.1 mi | Southwest | 38,819 |
Which county is Fort Lupton in?
Fort Lupton is in Weld County, which has the Federal Information Processing Standards (FIPS) code 08123. The county contains 26 places in our data, 12 of which have their own page here and 14 smaller communities that appear only in county and state lists. Other places in the county include Greeley (137,810), Firestone (34,230), Windsor (30,477), Evans (21,205), Johnstown (21,048). Codes like this one help separate places that share a name; see the guide to counties and FIPS codes.
How far is Fort Lupton from major US cities?
Among six major hubs, Fort Lupton is closest to Denver, CO at about 23 miles and farthest from New York, NY at about 1,617 miles in a straight line. Road distances are usually 10 to 30 percent longer. Try the distance calculator for any other pair.
| Major city | Straight-line distance | Direction |
|---|---|---|
| New York, NY | 1,617 mi | East |
| Los Angeles, CA | 854 mi | Southwest |
| Chicago, IL | 900 mi | East |
| Houston, TX | 888 mi | Southeast |
| Atlanta, GA | 1,204 mi | East |
| Denver, CO | 23 mi | South |
Are there other places called Fort Lupton?
No. In our data, Fort Lupton in Weld County, Colorado is the only place with this name, so the name alone is enough to identify it, though adding the state is still good practice in addresses and forms.
Planning a move to Fort Lupton?
If you are weighing Fort Lupton, start with the practical numbers: how far it is from where you live, whether it changes your time zone, and how its size and density compare with your current city. Use the distance calculator to measure the trip from where you live. The radius search tool lists every place within any distance of it. Our checklist for comparing cities explains what to check next.
Where to go next
Population and density come from a compiled dataset and are estimates. They may differ from official Census Bureau counts. Verify important figures at census.gov.