Canyon County, Idaho Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 2nd-largest in Idaho

The population of Canyon County, Idaho is 242,405 as of the 2023 American Community Survey, making it the 2nd-largest county in Idaho. The median household income is $72,355, the median home value is $350,300, and the median age is 34.8.

The population of Canyon County has grown 40.9% since 2010 (189,365 → 266,892), a +2.48% annualized rate.

Canyon County within Idaho · Source: US Census TIGER/Line via us-atlas

242,405

Population

+2.48%

Annual growth

413

People / sq mi

$72,355

Median Income

$350,300

Median Home Value

Canyon County covers 587 sq mi of land at 412.9 people per square mile.

About Canyon County, ID

Age is the most distinctive thing about Canyon County: a median age of 34.8, younger than the national median. With 242,405 residents, Canyon County is a county in Idaho. That makes it one of the ten largest counties in Idaho in the country, at #2 by population.

The typical household earns $72,355 a year, below the US median of $78,538. Poverty runs at 7.3%, below the national 12.4%. Home values run above average at $350,300, with typical rent around $1,259.

22.8% of adults 25 and older hold a bachelor’s degree, below the national average of 35.0%. Remote work is on the higher side at 11.7%, below the national 14.0%, and the average commute runs about 25 minutes each way.

Canyon County Population History (2010-2024)

The county of Canyon County had a population of 189,365 in 2010 and 266,892 in 2024, a 40.9% growth over 14 years. The peak was 266,892 in 2024. Average annual growth rate: 2.49%.

Canyon County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

266,892

Population (2024)

189,365

Population (2010)

266,892

Peak (2024)

2.49%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	189,365	-	-	estimate
2011	191,392	+2,027	+1.07%	estimate
2012	193,784	+2,392	+1.25%	estimate
2013	198,661	+4,877	+2.52%	estimate
2014	202,542	+3,881	+1.95%	estimate
2015	206,956	+4,414	+2.18%	estimate
2016	211,573	+4,617	+2.23%	estimate
2017	217,037	+5,464	+2.58%	estimate
2018	223,518	+6,481	+2.99%	estimate
2019	230,270	+6,752	+3.02%	estimate
2020	233,031	+2,761	+1.20%	estimate
2021	243,752	+10,721	+4.60%	estimate
2022	251,532	+7,780	+3.19%	estimate
2023	258,742	+7,210	+2.87%	estimate
2024	266,892	+8,150	+3.15%	estimate

Race & Ethnicity

White	74.3%
Black or African American	0.7%
Asian	0.1%
Hispanic or Latino (any race)	2.9%
Two or More Races	0.1%

Age & Sex

34.8

Median Age

50.2%

Female

49.8%

Male

14.4%

Age 65+

Age Distribution

Under 5

6.8%

5–9

7.7%

10–14

7.8%

15–19

7.6%

20–24

6.6%

25–34

13.8%

35–44

13.2%

45–54

11.3%

55–59

5.5%

60–64

5.4%

65–74

8.9%

75–84

4.2%

85+

1.3%

Children (under 15): 22.3% · Seniors (65+): 14.4%

Income & Poverty

Median household income	$72,355$-2,281 vs state
Mean household income	$88,851
Per-capita income	$30,761
Poverty rate	7.3%+0.3% vs state
Unemployment rate	2.2%
Employment-to-population	62.1%

Top Industries by Employment

Professional & business services

20.6%

Construction

11.7%

Manufacturing

10.4%

Finance & real estate

9.6%

Education & health care

7.4%

Retail trade

6.4%

Information

5.6%

Arts, entertainment & food

5.4%

The largest employment sector in Canyon County is professional & business services, accounting for 20.6% of workers.

How residents commute

0.2%

Drive alone

1.7%

Carpool

74.0%

Public transit

11.7%

Work from home

25.4 min

Avg commute

Housing

$350,300$-25,700 vs state

Median home value

$1,259

Median rent

75.1%

Homeownership rate

85,583

Total housing units

96.8%

Occupied

3.2%

Vacant

24.9%

Renter-occupied

Social & access

88.3%

With health insurance

96.2%

With broadband internet

44.0%

Foreign-born

9.0%

Veterans (18+)

14.9%

With a disability

81.6%

Speak language other than English at home

Education

87.7%

High School+

22.8%

Bachelor's+

Largest cities in Idaho

Boise City (235,701)Meridian (124,865)Nampa (106,289)Idaho Falls (66,672)Caldwell (63,465)Pocatello (57,152)Coeur d'Alene (55,558)Twin Falls (53,219)Post Falls (41,716)Rexburg (39,589)All Idaho cities →

Other counties in Idaho

Ada County (508,052)Kootenai County (177,736)Bonneville County (127,056)Twin Falls County (92,121)Bannock County (88,457)Madison County (53,578)Bonner County (49,456)Bingham County (48,993)Nez Perce County (42,477)Latah County (40,315)All Idaho counties →

Part of Idaho

Idaho demographic profile All Idaho data →

Metro areas in Idaho

Boise City (790,640)Coeur d'Alene (177,736)Idaho Falls (161,944)Logan (151,746)Twin Falls (116,909)Pocatello (88,457)Lewiston (64,901)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Canyon County, Idaho has a population of 242,405 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 2nd-largest county in Idaho. Population density is 413 people per square mile.

The population of Canyon County has grown 40.9% since 2010 (189,365 → 266,892), a +2.48% annualized rate.

The median household income in Canyon County, Idaho is $72,355, with mean (average) household income of $88,851 and per-capita income of $30,761. 7.3% of residents live below the federal poverty level.

In Canyon County, the largest racial and ethnic groups are White (74.3%), Hispanic or Latino (2.9%), Black or African American (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Canyon County, Idaho is 34.8 years. Residents are 50.2% female and 49.8% male.

The median home value in Canyon County is $350,300 and median monthly rent is $1,259. 75.1% of occupied housing units are owner-occupied. The county has 85,583 total housing units, 3.2% of which are vacant.

The largest employment sector in Canyon County, Idaho is professional, scientific, and management services, employing 20.6% of workers. The unemployment rate is 2.2%.

Boise City is among the largest cities associated with Canyon County, Idaho, with a population of 235,701.