Boulder
URL: https://knowledge.ivjn.us/en/places/co-boulder.html

Boulder is a city in Colorado, United States.

## Administrative divisions

Boulder is a city in Colorado, United States[^uscb2023].

## Basic facts

- State: [Colorado](https://knowledge.ivjn.us/en/places/colorado.html)
- County: Boulder County[^enwiki]
- Population: about 106,000 (2023 estimate)[^uscb2023]
- Division level: city[^uscb2023]

## Parent division

Located in [Colorado](https://knowledge.ivjn.us/en/places/colorado.html).

Updated: 2026-10-29

Relations:
- Located in: Colorado https://knowledge.ivjn.us/en/places/colorado.html
- Located in: Boulder County https://knowledge.ivjn.us/en/places/co-boulder-county.html

Mentioned in:
- Colorado https://knowledge.ivjn.us/en/places/colorado.html

Sources:
- Boulder (Wikipedia) https://en.wikipedia.org/wiki/Boulder
- U.S. Census Bureau 2023 FIPS state and county codes https://www.census.gov/library/reference/code-lists/ansi.html