There are 8 cities in Canyon County, Idaho.

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City
Rank
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Nampa1119,803101,3033.84%3,65032.82
Caldwell269,99860,6453%3,09522.61
Middleton311,5379,5583.99%2,0845.54
Parma42,1382,0940.28%1,9781.08
Wilder51,6081,594-1.05%2,2490.71
Greenleaf6769810-1.91%9990.77
Notus7603608-0.5%1,6390.37
Melba8558573-1.41%1,3950.40
showing: 8 rows

Cities in Canyon County, Idaho by Population (2024)

What is the largest city in Canyon County, Idaho?

Nampa is the largest city in Canyon County.

What is the smallest city in Canyon County, Idaho?

Melba is the smallest city in Canyon County.

How many cities are in Canyon County?

There are 8 cities in Canyon County, Idaho.

Frequently Asked Questions