Jamestown Flag

Jamestown

County:
Boulder County
County Seat:
No
Area (mi²):
0.574
State:
Colorado

Jamestown is a town located in Boulder County, Colorado. Jamestown has a 2026 population of 241. Jamestown is currently declining at a rate of -0.82% annually and its population has decreased by -5.86% since the most recent census, which recorded a population of 256 in 2020.

The median household income in Jamestown is $149,375 with a poverty rate of 2.47%. The median age in Jamestown is 45.8 years: 48.1 years for males, and 45.5 years for females. For every 100 females there are 94.0 males.

241
Total Population
420
Density (mi²)
-2 -0.82%
Growth

Jamestown Population

Jamestown Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
2026241-2-0.82%
2025243-3-1.22%
2024246-1-0.4%
2023247-4-1.59%
2022251-1-0.4%
2021252-4-1.56%
2020256-1-0.39%
2019255-3-1.16%
201825800%
2017258-1-0.39%
201625962.37%
201525341.61%
2014249-35-12.32%
201328420.71%
201228251.81%
201127731.09%
201027400%

Median Age

Overall: 45.8 years
Female: 45.5 years
Male: 48.1 years

Jamestown Adults

There are 265 adults, (20 of whom are seniors) in Jamestown.

Sex Ratio

Female: 167 (51.5%)
Male: 157 (48.5%)

Demographics

The racial composition of Jamestown includes 98.77% White, and smaller percentages for Asian, Two or more races and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White32098.77%
Asian20.62%
Two or more races20.62%
Race
Population ↓
Percentage (of total)
White134.01%
Race
Population ↓
Percentage (of total)
White30794.75%
Asian20.62%
Two or more races20.62%

Jamestown Marital Status

Economics and Income Statistics

Jamestown 's average per capita income is $57,222. Household income levels show a median of $149,375. The poverty rate stands at 2.47%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Families$180,809$177,546
Married Families$180,074-
Households$149,375$160,797
Non Families$147,734$136,961

$57,222

Average Income

$149,375

Median Household Income

2.47%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)