Data / Rankings / Population / Cities in Idaho

Cities in Idaho by population

Boise City, ID had the highest population of 27 cities in 2023, at 236,297. Hailey, ID had the lowest, at 9,954. The median was 26,507 and the figure for Idaho was 1.97 million. Source: the U.S. Census Bureau.

Keep it in a collection in your library.
Highest236,297Boise City, ID
Lowest9,954Hailey, ID
Median26,50727 cities
Idaho1,970,497History

All cities, 2023

Boise City, ID: 236,297 personsBoise City, ID236,297Meridian, ID: 135,242 personsMeridian, ID135,242Nampa, ID: 114,843 personsNampa, ID114,843Caldwell, ID: 68,693 personsCaldwell, ID68,693Idaho Falls, ID: 68,065 personsIdaho Falls, ID68,065Pocatello, ID: 58,549 personsPocatello, ID58,549Coeur d'Alene, ID: 56,977 personsCoeur d'Alene, ID56,977Twin Falls, ID: 55,102 personsTwin Falls, ID55,102Post Falls, ID: 44,880 personsPost Falls, ID44,880Rexburg, ID: 40,517 personsRexburg, ID40,517Lewiston, ID: 34,818 personsLewiston, ID34,818Eagle, ID: 33,160 personsEagle, ID33,160Kuna, ID: 28,138 personsKuna, ID28,138Moscow, ID: 26,507 personsMoscow, ID26,507Ammon, ID: 19,641 personsAmmon, ID19,641Mountain Home, ID: 16,680 personsMountain Home, ID16,680Hayden, ID: 16,442 personsHayden, ID16,442Chubbuck, ID: 16,394 personsChubbuck, ID16,394Star, ID: 16,381 personsStar, ID16,381Jerome, ID: 13,286 personsJerome, ID13,286Blackfoot, ID: 12,972 personsBlackfoot, ID12,972Garden City, ID: 12,807 personsGarden City, ID12,807Burley, ID: 12,263 personsBurley, ID12,263Rathdrum, ID: 11,582 personsRathdrum, ID11,582Middleton, ID: 11,082 personsMiddleton, ID11,082Sandpoint, ID: 10,010 personsSandpoint, ID10,010Hailey, ID: 9,954 personsHailey, ID9,954Boise City, ID: 236,297 personsBoise City, ID236,297Meridian, ID: 135,242 personsMeridian, ID135,242Nampa, ID: 114,843 personsNampa, ID114,843Caldwell, ID: 68,693 personsCaldwell, ID68,693Idaho Falls, ID: 68,065 personsIdaho Falls, ID68,065Pocatello, ID: 58,549 personsPocatello, ID58,549Coeur d'Alene, ID: 56,977 personsCoeur d'Alene, ID56,977Twin Falls, ID: 55,102 personsTwin Falls, ID55,102Post Falls, ID: 44,880 personsPost Falls, ID44,880Rexburg, ID: 40,517 personsRexburg, ID40,517Lewiston, ID: 34,818 personsLewiston, ID34,818Eagle, ID: 33,160 personsEagle, ID33,160Kuna, ID: 28,138 personsKuna, ID28,138Moscow, ID: 26,507 personsMoscow, ID26,507Ammon, ID: 19,641 personsAmmon, ID19,641Mountain Home, ID: 16,680 personsMountain Home, ID16,680Hayden, ID: 16,442 personsHayden, ID16,442Chubbuck, ID: 16,394 personsChubbuck, ID16,394Star, ID: 16,381 personsStar, ID16,381Jerome, ID: 13,286 personsJerome, ID13,286Blackfoot, ID: 12,972 personsBlackfoot, ID12,972Garden City, ID: 12,807 personsGarden City, ID12,807Burley, ID: 12,263 personsBurley, ID12,263Rathdrum, ID: 11,582 personsRathdrum, ID11,582Middleton, ID: 11,082 personsMiddleton, ID11,082Sandpoint, ID: 10,010 personsSandpoint, ID10,010Hailey, ID: 9,954 personsHailey, ID9,954
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.

Full ranking

RankCities2023
persons		Change on 2022
1Boise City, ID236,297-0.5%
2Meridian, ID135,242+4%
3Nampa, ID114,843+3.3%
4Caldwell, ID68,693+4%
5Idaho Falls, ID68,065+0.4%
6Pocatello, ID58,549+0.3%
7Coeur d'Alene, ID56,977+0.4%
8Twin Falls, ID55,102+1.2%
9Post Falls, ID44,880+1.5%
10Rexburg, ID40,517-1.2%
11Lewiston, ID34,818-0.2%
12Eagle, ID33,160-0.3%
13Kuna, ID28,138+3%
14Moscow, ID26,507+0.4%
15Ammon, ID19,641+3.2%
16Mountain Home, ID16,680+1%
17Hayden, ID16,442-0.5%
18Chubbuck, ID16,394+1%
19Star, ID16,381+11.3%
20Jerome, ID13,286+2.2%
21Blackfoot, ID12,972+1.6%
22Garden City, ID12,807-1%
23Burley, ID12,263+0.9%
24Rathdrum, ID11,582+8.8%
25Middleton, ID11,082+3.8%
26Sandpoint, ID10,010+2.5%
27Hailey, ID9,954+1.9%

Other periods

About this ranking

Resident population.

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 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.
  • 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.

Every value in the ranking comes from the same publisher and the same period, so the cities are compared on one definition. Equal values share a rank.

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) (Cities in Idaho by population, 2023) [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), Cities in Idaho by population, 2023. U.S. Census Bureau, 14 May 2026, https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Invokely, https://invokely.ai/rankings/population/idaho-cities?period=2023. 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). Cities in Idaho by population, 2023. Dataset. Accessed October 12, 2026. https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/. Also distributed by Invokely, https://invokely.ai/rankings/population/idaho-cities?period=2023.

Harvard

U.S. Census Bureau (2026) Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals), Cities in Idaho by population, 2023 [Dataset]. Available at: https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/, via Invokely: https://invokely.ai/rankings/population/idaho-cities?period=2023 (Accessed: 12 October 2026).

BibTeX
@misc{census_cities_in_idaho_by_2023,
  author = {{U.S. Census Bureau}},
  title = {{Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals): Cities in Idaho by population, 2023}},
  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/rankings/population/idaho-cities?period=2023. 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): Cities in Idaho by population, 2023
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/rankings/population/idaho-cities?period=2023
Y2  - 2026/10/12
N1  - Accessed via Invokely, https://invokely.ai/rankings/population/idaho-cities?period=2023.
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  -
Embed this chart

Paste this code into a web page or a blog post. The chart shows the latest figures as they are published, with the source and a link back to this page.

Sites that read oEmbed links, such as WordPress, can show the chart when you paste the link to this page.

Use this data in your AI agent

Invokely serves this figure to AI assistants through MCP and to code through a REST API, with the source and citation attached. Ask your assistant:

Rank Cities in Idaho by population using official data, and cite the source.
rank_places {"indicator":"population","level":"municipality","within":"Idaho","limit":10}
GET https://invokely.ai/api/v1/rank?indicator=population&level=municipality&within=Idaho&limit=10

Connect Claude, ChatGPT or Cursor in one step. The trial answers 25 calls a day without an account.

Questions

Which city has the highest population?

Boise City, ID, with 236,297 in 2023, according to the U.S. Census Bureau.

Which city has the lowest population?

Hailey, ID, with 9,954 in 2023.

Where does this ranking come from?

Every value comes from one source and one period, so the places are comparable: U.S. Census Bureau, Annual estimates of the resident population for incorporated places, 1 July (Population Estimates Program, subcounty totals). Retrieved 2026-10-12.

Population: other rankings

Cities in Idaho: more rankings