Data / Population / Caldwell, ID

Population in Caldwell, ID

Population in Caldwell, ID was 76,629 in 2025, according to the U.S. Census Bureau. That is up 4.7% from 2024. That is the 4th highest of 27 cities in 2025.

2025, persons76,629
Change on 2024+4.7%
Rank4th of 27Cities in Idaho ranked
Series high76,6292025
Series low60,7082020

Next release: Friday, 14 May 2027, estimated by Invokely from past publication dates (low confidence), not announced by the publisher. Release calendar

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Population in Caldwell, ID, 2020 to 2025

60K65K70K75K80K2020202120222023202420252020: 60,708 persons2021: 63,916 persons2022: 66,054 persons2023: 68,693 persons2024: 73,177 persons2025: 76,629 persons60K65K70K75K80K2020202220252020: 60,708 persons2021: 63,916 persons2022: 66,054 persons2023: 68,693 persons2024: 73,177 persons2025: 76,629 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
202576,629
202473,177
202368,693
202266,054
202163,916
202060,708

Compared with Idaho and United States

Place2025
Caldwell, ID76,629
Idaho2,029,733
United States341,784,857

Rankings

Definition

Resident population. United States: Census Bureau population estimates for 1 July.

More on how it is measured
  • Spain and the EU: 1 January, with Spanish figures from the official municipal register (Padrón).
  • Norway: Statistics Norway, 1 January.
  • Iceland and its municipalities: Statistics Iceland, 1 January.
  • 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.
  • UN World Population Prospects estimates for 1 July cover the years before 1960 and the areas the World Bank does not publish, such as Taiwan.

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.

Citation styles

The publisher is the author. Invokely is named only as the place the figures were read, where a style asks for it.

APA 7

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

MLA 9

Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals), Population, Caldwell, ID, 2020 to 2025. U.S. Census Bureau, 14 May 2026, https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Invokely, https://invokely.ai/en/population/caldwell-id. Accessed 12 Oct. 2026.

Chicago (author-date)

U.S. Census Bureau. 2026. Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Population, Caldwell, ID, 2020 to 2025. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Also distributed by Invokely, https://invokely.ai/en/population/caldwell-id.

Harvard

U.S. Census Bureau (2026) Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals), Population, Caldwell, ID, 2020 to 2025 [Dataset]. Available at: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/, via Invokely: https://invokely.ai/en/population/caldwell-id (Accessed: 12 October 2026).

BibTeX
@misc{census_population_caldwell_id_2025,
  author = {{U.S. Census Bureau}},
  title = {{Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals): Population, Caldwell, ID, 2020 to 2025}},
  year = {2026},
  howpublished = {Data set},
  url = {https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/},
  urldate = {2026-10-12},
  note = {Accessed via Invokely, https://invokely.ai/en/population/caldwell-id. Publisher attribution: 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.},
}
RIS
TY  - DATA
AU  - U.S. Census Bureau
TI  - Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals): Population, Caldwell, ID, 2020 to 2025
PY  - 2026
DA  - 2026/05/14
PB  - U.S. Census Bureau
DB  - Invokely
UR  - https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/
L2  - https://invokely.ai/en/population/caldwell-id
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/en/population/caldwell-id.
N1  - Publisher attribution: 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.
ER  -
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Questions

What is the population in Caldwell, ID?

Population in Caldwell, ID was 76,629 in 2025, according to the U.S. Census Bureau. That is up 4.7% from 2024. That is the 4th highest of 27 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 Caldwell, ID?

76,629 in 2025, the highest value since 2020 in this series.

Population elsewhere in Idaho

Related statistics for Caldwell, ID

All statistics for Caldwell, ID | Caldwell, ID in figures