ZIP code 80623
Where is ZIP code 80623?
Gilcrest, Colorado
Weld County · PO Box only ZIP code
ZIP code 80623 belongs to Gilcrest, Colorado in Weld County. 80623 is a PO Box only ZIP code: it is used for post office boxes at the Gilcrest post office, not for street addresses. It is in the Mountain Time zone and uses area code 970. About 1,026 people live in the 80623 area. The closest ZIP codes are 80645 (La Salle, 3.8 mi northeast), 80543 (Milliken, 4.9 mi northwest) and 80651 (Platteville, 5.1 mi south).
| ZIP code | 80623 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Gilcrest |
| State | Colorado (CO) |
| County | Weld County |
| Time zone | Mountain Time · now |
| Area code | 970 |
| Coordinates | 40.2854, -104.7825 map |
| 3-digit prefix | 806 |
Population and income in 80623
| Population | 1,026 · lower than 66% of Colorado ZIP codes |
|---|---|
| People per square mile | 1,531 · higher than 79% of Colorado ZIP codes |
| Median age | 35.3 years · lower than 82% of Colorado ZIP codes |
| Men / women | 59% / 41% |
| Income per person | $24,049 |
| Below the poverty line | 18% |
| Bachelor’s degree or higher | 5.6% of adults 25+ |
| Median home value | $321,900 · lower than 72% of Colorado ZIP codes |
| Median rent | $1,682 a month |
| Housing units | 310 |
| Households | 296 (3.47 people on average) |
| Owners / renters | 89% / 11% |
| Land area | 0.67 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 80623. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 80623
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 80645 | La Salle, CO | 3.8 mi NE | Standard |
| 80543 | Milliken, CO | 4.9 mi NW | Standard |
| 80651 | Platteville, CO | 5.1 mi S | Standard |
| 80632 | Greeley, CO | 6.4 mi N | PO Box only |
| 80620 | Evans, CO | 8 mi NE | Standard |
| 80534 | Johnstown, CO | 8.2 mi NW | Standard |
| 80631 | Greeley, CO | 8.7 mi NE | Standard |
| 80634 | Greeley, CO | 8.8 mi N | Standard |
| 80639 | Greeley, CO | 8.9 mi NE | Unique |
| 80633 | Greeley, CO | 10.3 mi N | PO Box only |
| 80638 | Greeley, CO | 10.3 mi N | Unique |
| 80542 | Mead, CO | 12 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 80623 or measure the distance to another ZIP code.
How to address mail to 80623
PO BOX 123
GILCREST CO 80623
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (80623-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 80623?
- 80623 is a Gilcrest, Colorado ZIP code.
- What county is 80623 in?
- ZIP code 80623 is in Weld County, Colorado.
- What time zone is ZIP code 80623 in?
- 80623 is in the Mountain Time zone (America/Denver).
- What area code is 80623?
- Phone numbers in ZIP code 80623 use area code 970.
- What is the population of ZIP code 80623?
- About 1,026 people live in ZIP code 80623, according to the Census Bureau’s American Community Survey (2020–2024).
- Can I use 80623 for a street address?
- No. 80623 is only for PO Boxes. Street addresses in Gilcrest use another ZIP code.
- What ZIP codes are near 80623?
- The nearest ZIP codes to 80623 are 80645 (La Salle, 3.8 miles), 80543 (Milliken, 4.9 miles), 80651 (Platteville, 5.1 miles) and 80632 (Greeley, 6.4 miles).