Boulder Population 2025

Boulder is a city in Colorado, State of United States, Boulder population in 2025 is estimated to be 107,458, covers city area of 27.366 sq mi (70.877 sq km), ranks twelfth largest city in Colorado State, 288 two-hundred-eighty-eighth city in the United States. Boulder is in Boulder County, located at the base of the foothills of the Rocky Mountains, and 25 miles northwest of the Colorado state capital of Denver. Boulder population as per 2020 census is 108,250 compared to 2010 population of 97,385 with the increase number of 10,865 people and growth of 11.2 percent.

• Contents
• Population by Age
• Population by Race
• Nativity by Place of Birth

Below is the Boulder population by year:

Boulder Population by Age

According to 2019 US population estimates, Total Boulder population is 105,670, out of these 55,637 are male, 50,033 are female, The sex ratio of Boulder is 111. The median age of the Boulder population is 28.9, Boulder population by age are, under 18 years is 13,345, 16 years and over is 94,698, 18 years and over is 92,325, 21 years and over is 75,523, 65 years and over is 15,504. 52.7% are male, 47.3% are female, Population of Boulder by age percent-wise is, 12.6% are under 18 years old, 89.6% are 16 years and over, 87.4% are 18 years and over, 71.5% are 21 years and over, 12.3% are 65 years and over. There are total 45,954 housing units, The voting population of Boulder are 86,783, out of these 46,115 are male voters, 40,668 are female voters, 53.1% are male, 46.9% are female. Boulder population in 2023 is estimated to be 106,213, population in 2022 is estimated to be 105,845, and in 2021 is estimated to be 104,178.

Boulder Population by Race

White Population

White population in Boulder, Colorado are 92,690, percentage wise 87.7 percent are whites.

Black Population

Black population in Boulder, Colorado are 1,401, percentage wise 1.3 percent are blacks. African American refers to black population in Boulder, They are Black racial groups of Africa, includes Sub-Saharan African people, Kenyan, Nigerian, Caribbean such as Haitian and Jamaican.

Asian Population

Asian population in Boulder are 7,377, percentage wise 7.0 percent are asians, out of these 838 are Asian Indians, 3,991 are Chinese, 161 are Filipinos, 429 are Japanese, 939 are Korean, 248 are Vietnamese and 771 are other Asian nationals.

Hispanic Population

Hispanic population in Boulder, Colorado are 11,293. Percentage wise 10.7 percent are hispanics, out of these 6,197 are Mexican people, 261 are Puerto Ricans, 948 are Cubans, and 3,887 are other Hispanic or Latinos.

Nativity by Place of Birth

According to 2019 estimates, Boulder native population is 96,328, out of these 30,082 born in the Colorado state and 64,289 born in other state in the United States. Foreign born or Population born outside the US are 9,342, out of these 3,695 are Naturalized US citizen, 1,214 are in Europe, 1,674 in Asia, 46 in Africa, 651 in Latin America and 110 in Northern America. Non-US Citizens, Total Foreigners living in Boulder are 5,647, out of these 1,193 are from Europe, 3,324 are from Asia, 28 from Africa, 1,071 are from Latin America and 31 are from Northern America.