Fort Collins Population

1880–2026

171.69K

2026 projection

1% since 2020 (increase)

050K100K150K200K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Fort Collins. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026171,693+1930.11%
2025171,500+7730.45%
2024170,727+1820.11%
2023170,545+2880.17%
2022170,257+9540.56%
2021169,303-6510.38%
2020169,954+1,8971.13%
2019168,057+1,6561.00%
2018166,401+1,8211.11%
2017164,580+1,8511.14%

Showing 10 of 30 years.

Fort Collins Demographics

30.9median age

Median age

Female30.9 yrs
Male30.9 yrs

Adults

142,165
21,744 seniors · 15%120,421 other adults

Sex

Female 50.7% · 86,228Male 49.3% · 84,001

Population by age

MaleFemale85+ years, male: 1,15285+ years, female: 1,71980–84 years, male: 77080–84 years, female: 1,31075–79 years, male: 1,81775–79 years, female: 1,91570–74 years, male: 2,74470–74 years, female: 3,24365–69 years, male: 3,41065–69 years, female: 3,66460–64 years, male: 3,59860–64 years, female: 3,90255–59 years, male: 3,70955–59 years, female: 4,02450–54 years, male: 3,75850–54 years, female: 4,25445–49 years, male: 4,41645–49 years, female: 3,99540–44 years, male: 5,34340–44 years, female: 5,39635–39 years, male: 6,23435–39 years, female: 4,97630–34 years, male: 6,73730–34 years, female: 6,03525–29 years, male: 9,11025–29 years, female: 8,44020–24 years, male: 12,23720–24 years, female: 14,02015–19 years, male: 7,44815–19 years, female: 8,14110–14 years, male: 4,36310–14 years, female: 4,4215–9 years, male: 3,7465–9 years, female: 3,9030–4 years, male: 3,4090–4 years, female: 2,87085+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45K5K10K10K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 1,702 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Fort Collins Income

$85,070median household income

Median household income

$85,070

Half of households earn more, half earn less

Median earnings

$59,672

Typical yearly pay for a worker 25 or older.

Poverty rate

15.8%

About 1 in 6 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Fort Collins Marital Status

41% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married41%42%41%
Never married46%48%44%
Divorced9%8%10%
Widowed3%2%4%
Separated<1%<1%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year