Population in Wellington, CO

Population in Wellington, CO was 12,169 in 2025, according to the U.S. Census Bureau. That is up 0.5% from 2024. That is the 48th highest of 54 cities in 2025.

2025, persons12,169
Change on 2024+0.5%
Series high12,1692025
Series low11,1672020

Population in Wellington, CO, 2020 to 2025

11K11.3K11.5K11.8K12K12.3K2020202120222023202420252020: 11,167 persons2021: 11,700 persons2022: 12,008 persons2023: 12,111 persons2024: 12,112 persons2025: 12,169 persons
persons. Source: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved 2026-10-12, published 2026-05-14.
All 6 values
Periodpersons
202512,169
202412,112
202312,111
202212,008
202111,700
202011,167

Compared with Colorado and United States

Place2025
Wellington, CO12,169
Colorado6,012,561
United States341,784,857

Rankings

Definition

Resident population. Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón). Norway: Statistics Norway, 1 January. United States: Census Bureau population estimates for 1 July. United Kingdom regions and local authorities: Office for National Statistics estimates for 30 June. Other countries and the World: World Bank mid-year estimates, which count all residents regardless of legal status or citizenship.

The World Bank series exists for every country, so use it (through compare) to rank countries on one basis.

How to cite

U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Retrieved 2026-10-12.

Use this data in your AI agent

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What is the latest population in Wellington, CO? Cite the source.
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Questions

What is the population in Wellington, CO?

Population in Wellington, CO was 12,169 in 2025, according to the U.S. Census Bureau. That is up 0.5% from 2024. That is the 48th highest of 54 cities in 2025.

Where does this figure come from?

U.S. Census Bureau. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved by Invokely on 2026-10-12.

What was the highest population in Wellington, CO?

12,169 in 2025, the highest value since 2020 in this series.

Population elsewhere in Colorado

All statistics for Wellington, CO