80309 ZIP Code
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ZIP code 80309 covers Boulder, Colorado. It has no Census ZIP Code Tabulation Area, which is how the Census Bureau treats ZIP codes that are not residential neighbourhoods — PO box-only ranges, military addresses, and codes assigned to a single large organisation. There are no population or income figures for it because nobody is counted as living there.
- Time zone
- Mountain UTC-07:00observes daylight saving time
- Businesses
- 22
Where 80309 is
Boulder, Colorado — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.
Business and employment
Census ZIP Code Business Patterns 2022
| Business establishments | 22 |
|---|---|
| People employed | 355 |
| Annual payroll | $9,312,000 |
Climate
NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.
| Weather station | BOULDER, CO US2.6 km away |
|---|---|
| Rain in a year | 21 in |
| Snow in a year | 93 in |
Average high and low by month
| January | 47°F / 21.5°F0.83 in rain, 11.3 in snow |
|---|---|
| February | 48.3°F / 22.3°F0.99 in rain, 15 in snow |
| March | 57°F / 29°F1.99 in rain, 15.7 in snow |
| April | 62.8°F / 34.5°F3.05 in rain, 14.7 in snow |
| May | 71.3°F / 42.7°F3.21 in rain, 2 in snow |
| June | 82.5°F / 51.1°F1.95 in rain |
| July | 88°F / 57°F1.83 in rain |
| August | 86°F / 55.5°F1.68 in rain |
| September | 78.8°F / 48.1°F2.09 in rain, 1 in snow |
| October | 65.9°F / 37.2°F1.62 in rain, 7 in snow |
| November | 54.5°F / 28.1°F1.18 in rain, 13.1 in snow |
| December | 46.3°F / 21.1°F0.81 in rain, 13 in snow |
Nearby ZIP codes
The closest ZIP codes by centre point, which is not the same as sharing a border.
| 80310 Boulder, CO | 0 km away |
|---|---|
| 80302 Boulder, CO | 1.3 km away |
| 80304 Boulder, CO | 2.6 km away |
| 80303 Boulder, CO | 3.7 km away |
| 80305 Boulder, CO | 4.1 km away |
| 80301 Boulder, CO | 6.1 km away |
| 80025 Eldorado Springs, CO | 9.3 km away |
| 80308 Boulder, CO | 10 km away |
Location, counties and time zone
County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.
| Time zone | Mountain (UTC-07:00 standard) |
|---|---|
| Daylight saving time | Observed |
| Latitude, longitude | 40.0150, -105.2705 |
Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.