Canyon County, Idaho
Canyon County: county in Idaho, United States
About
Canyon County is a county located in the U.S. state of Idaho. As of the 2010 census, the population was 188,923 and a population density of 121 people per km². After 9 years in 2019 county had an estimated population of 229,849 inhabitants. Its county seat is Caldwell. The county was created 135 years ago in 1891.
County Snapshot
Canyon County at a glance
Canyon County currently has 8 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.
Mapped populated places
8
These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.
Idaho counties
44
Open related pagesLargest city
NampaPopulation 99,277
Top linked places
Quick Facts about Canyon County
| Population | 229,849 (2019) |
| Country | United States of America |
| State | Idaho (United States) |
| Twitter username | canyonco |
| Area | 1563 km2 |
| Water as percent of area | 2.7% |
| Land as percent of area | 97.3% |
| Latitude & Longitude | 43.6251,-116.7093 |
| Altitude | 2,267 feet / 691 meters |
| Capital | Caldwell |
| Establishment | March 07, 1891 |
| Time Zone | America/Boise |
| Local time | 16:53:33 (18th April 2026) |
| Density | 147 Pop. per km² as of 2019 |
| Population growth | 17.81% (2010-2019) |
| Weather | 31℉ Partly Cloudy 7-days weather |
Geography
Canyon County is located at 43°37'30"N 116°42'33"W (43.6251300, -116.7092900). It has 5 neighbors: Ada County, Gem County, Owyhee County, Payette County and Malheur County.
Canyon County map
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The largest city of Canyon County is Nampa with a population of 99,277. Other cities include, Caldwell population 58,481, Middleton population 8,466, Parma population 2,147 and Wilder population 1,823. See all Canyon County cities & populated places.
Canyon County Populated Places
Cities, towns, neighborhoods & other populated places in Canyon County.
| City Name | Population | Title |
|---|---|---|
| Nampa | 99,277 | The most populous city in Canyon County, Idaho. |
| Caldwell | 58,481 | The most populous city in Canyon County, Idaho. |
| Middleton | 8,466 | City in Canyon County, Idaho |
| Parma | 2,147 | Human settlement in Canyon County, Idaho, United States of America |
| Wilder | 1,823 | City in Idaho, USA |
| Greenleaf | 886 | City in Canyon County, Idaho, United States |
| Notus | 638 | City in Canyon County, Idaho, United States |
| Melba | 558 | City in Canyon County, Idaho, United States |
Weather
Partly cloudy, with a low around 31. East wind around 7 mph.
7-Day Forecast- Caldwell
Demographics
The population of Canyon County increased by 17.81% in 9 years.
| Year | Population | % Change | Method |
|---|---|---|---|
| 2010 | 188,923 | - | census |
| 2011 | 191,354 | 1.27% | estimation process |
| 2012 | 193,734 | 1.23% | estimation process |
| 2013 | 198,590 | 2.45% | estimation process |
| 2014 | 202,440 | 1.9% | estimation process |
| 2015 | 206,842 | 2.13% | estimation process |
| 2016 | 211,381 | 2.15% | estimation process |
| 2017 | 216,858 | 2.53% | estimation process |
| 2018 | 223,236 | 2.86% | estimation process |
| 2019 | 229,849 | 2.88% | estimation process |
Idaho Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Ada County | 481,587 | County in Idaho, United States |
| Boise | 228,959 | The capital of Idaho. |
| Kootenai County | 165,697 | County in Idaho, United States |
| Bonneville County | 119,062 | County in Idaho, United States |
| Meridian | 114,161 | The most populous city in Ada County, Idaho. |
| Nampa | 99,277 | The most populous city in Canyon County, Idaho. |
| Bannock County | 87,808 | County in Idaho, United States |
| Twin Falls County | 86,878 | County in Idaho, United States |
| Idaho Falls | 62,888 | The most populous city in Bonneville County, Idaho. |
| Caldwell | 58,481 | The most populous city in Canyon County, Idaho. |
| Pocatello | 56,637 | The most populous city in Bannock County, Idaho. |
| Coeur d'Alene | 52,414 | A city in Kootenai County, Idaho. |
| Twin Falls | 50,197 | The most populous city in Twin Falls County, Idaho. |
| Bingham County | 46,811 | County in Idaho, United States |
| Bonner County | 45,739 | County in Idaho, United States |
| Nez Perce County | 40,408 | County in Idaho, United States |