Wellington Population

1910–2026

12,405

2026 projection

12.3% since 2020 (increase)

02K4K6K8K10K12K14K192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal 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 Wellington. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202612,405+2361.94%
202512,169+570.47%
202412,112+10.01%
202312,111+1030.86%
202212,008+3082.63%
202111,700+6535.91%
202011,047+4644.38%
201910,583+5555.53%
201810,028+8359.08%
20179,193+5536.40%

Showing 10 of 27 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Wellington is growing faster than Larimer County, Colorado, and the U.S.

  • Wellington+9.0%
  • Larimer County+4.8%
  • Colorado+3.9%
  • United States+3.1%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Wellington Demographics

35median age

Median age

Female32.4 yrs
Male35.8 yrs

Adults

8,247
964 seniors (65+) · 12% of adults7,283 other adults

Sex

Female 51.9% · 6,125Male 48.1% · 5,673

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 118 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

Wellington Income

$107,017median household income

Median household income

$107,017

Half of households earn more, half earn less

Median earnings

$56,765

Typical yearly pay for a worker 25 or older.

Poverty rate

8.8%

About 1 in 11 residents

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

Wellington Marital Status

63% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married63%62%63%
Never married24%22%25%
Divorced8%9%7%
Widowed4%2%6%
Separated2%4%0%

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