Cities and Towns in Canyon County, Idaho
Founded in 1892, Canyon County is one of 44 counties in the state of Idaho. Historically, Canyon County was formed from Ada County. The city of Caldwell is the county seat. With FIPS code of 27, Canyon County has a population of 243,115 and area of 590 square miles (1,528 km²).
List of all cities in Canyon County, ID alphabetically
| City/Town | Postal Code | Area Code |
| Apple Valley, ID | 83660 | 208 |
| Bowmont, ID | 83686 | 208 |
| Caldwell, ID | 83605 | 208 |
| 83606 | 208 | |
| 83607 | 208 | |
| Doles, ID | 83605 | 208 |
| Enrose, ID | 83605 | 208 |
| Givens Hot Springs, ID | 83641 | 208 |
| Greenleaf, ID | 83626 | 208 |
| Guffey, ID | 83641 | 208 |
| Huston, ID | 83630 | 208 |
| Knowlton Heights, ID | 83605 | 208 |
| Melba, ID | 83641 | 208 |
| Middleton, ID | 83644 | 208 |
| Nampa, ID | 83651 | 208 |
| 83652 | 208 | |
| 83653 | 208 | |
| 83686 | 208 | |
| 83687 | 208 | |
| Notus, ID | 83656 | 208 |
| Parma, ID | 83660 | 208 |
| Roswell, ID | 83660 | 208 |
| Stoddard, ID | 83641 | 208 |
| Sunnyslope, ID | 83605 | 208 |
| Weitz, ID | 83605 | 208 |
| Wilder, ID | 83676 | 208 |
| Wilson, ID | 83641 | 208 |
Major Cities and Towns in Canyon County, Idaho
Nampa
Area and Population
- Area: 32.92 square miles
- Population: Approximately 105,405
- Zip Codes: 83651, 83686, 83687
- Latitude: 43.5407° N
- Longitude: 116.5635° W
Location and History
Nampa is the largest city in Canyon County and the third-largest city in Idaho. Located in the southwestern part of the state, Nampa is part of the Boise metropolitan area and is situated just 20 miles west of Boise. The city was founded in the late 19th century as a railroad town, with the Oregon Short Line Railroad playing a crucial role in its development. Nampa quickly grew into a major agricultural and industrial center, thanks to its fertile land and strategic location. The city’s name is believed to come from a Shoshone word meaning “footprint” or “moccasin.” Today, Nampa is a thriving community with a diverse economy, excellent schools, and a strong cultural scene.
Major Schools and Landmarks
Nampa is served by the Nampa School District, with schools like Nampa High School, Columbia High School, and Skyview High School. The city is home to Northwest Nazarene University, a private Christian liberal arts college. Notable landmarks include the Ford Idaho Center, a large event complex that hosts concerts, rodeos, and sporting events, and the Nampa Train Depot Museum, which showcases the city’s rich railroad history. Lake Lowell, located just outside the city, is a popular destination for boating, fishing, and birdwatching, offering a natural retreat for residents and visitors.
Caldwell
Area and Population
- Area: 22.11 square miles
- Population: Approximately 59,996
- Zip Codes: 83605, 83607
- Latitude: 43.6629° N
- Longitude: 116.6874° W
Location and History
Caldwell is the second-largest city in Canyon County and serves as the county seat. Located northwest of Nampa, Caldwell was founded in the 1880s by Robert E. Strahorn, a railroad promoter who saw the potential for the area to become a major transportation hub. The city developed rapidly as a center for agriculture, with irrigation transforming the surrounding desert into productive farmland. Caldwell is known for its strong agricultural roots, particularly in the production of onions, hops, and wine grapes, and is the gateway to Idaho’s wine country. The city’s historic downtown has undergone revitalization in recent years, becoming a vibrant area with shops, restaurants, and cultural attractions.
Major Schools and Landmarks
Caldwell is served by the Caldwell School District, with Caldwell High School and Vallivue High School being the main high schools in the area. The city is home to the College of Idaho, the state’s oldest private liberal arts college, which adds a youthful and academic atmosphere to the community. Notable landmarks include the Caldwell Night Rodeo, one of the largest and oldest rodeos in the country, and Indian Creek Plaza, a community gathering space that hosts events, concerts, and a popular winter ice-skating rink. The scenic Sunnyslope Wine Trail, located just outside the city, is another significant attraction, drawing visitors to its award-winning wineries.
Middleton
Area and Population
- Area: 5.71 square miles
- Population: Approximately 9,091
- Zip Codes: 83644
- Latitude: 43.7068° N
- Longitude: 116.6202° W
Location and History
Middleton is a small city located in the northern part of Canyon County, along the Boise River. The city was founded in the 1860s and is one of the oldest settlements in the region. Middleton was named for its location as the midpoint between Boise and the Snake River ferry crossing. The city developed as a farming community, with agriculture remaining a key part of its economy. Over the years, Middleton has grown from a rural town into a small, close-knit city, attracting residents who appreciate its quiet, suburban lifestyle while being within commuting distance of the larger cities in the Treasure Valley.
Major Schools and Landmarks
Middleton is served by the Middleton School District, with Middleton High School and Middleton Middle School being the main educational institutions. The city is known for its family-friendly atmosphere and its community-oriented events, such as the annual Middleton Harvest Festival. Notable landmarks include the Middleton Place Park, which features sports fields, playgrounds, and a splash pad, and the historic Middleton Train Depot, which reflects the city’s railroad heritage. The Boise River Greenbelt, which passes through Middleton, offers residents and visitors opportunities for walking, biking, and enjoying the natural beauty of the area.
Parma
Area and Population
- Area: 1.14 square miles
- Population: Approximately 2,083
- Zip Codes: 83660
- Latitude: 43.7854° N
- Longitude: 116.9438° W
Location and History
Parma is a small city located in the western part of Canyon County, near the confluence of the Boise and Snake Rivers. The city was established in the late 19th century and was named after Parma, Italy, by a local settler who admired the European city. Parma developed as an agricultural center, with its economy based on farming, particularly the cultivation of onions, sugar beets, and hops. The city’s location near the rivers provided a natural advantage for irrigation, making it a productive farming area. Parma has retained its agricultural heritage while maintaining a small-town feel, making it an attractive place for those seeking a quiet, rural lifestyle.
Major Schools and Landmarks
Parma is served by the Parma School District, with Parma High School and Maxine Johnson Elementary School being the main educational institutions. The city is known for its community events, such as the annual Parma Fall Festival, which celebrates the harvest season with food, music, and activities for all ages. Notable landmarks include the Fort Boise Wildlife Management Area, located nearby, which offers opportunities for birdwatching, hunting, and fishing, and the Old Fort Boise Park, which commemorates the historic Fort Boise trading post that played a significant role in the early settlement of the region.
Greenleaf
Area and Population
- Area: 0.38 square miles
- Population: Approximately 880
- Zip Codes: 83626
- Latitude: 43.6749° N
- Longitude: 116.8229° W
Location and History
Greenleaf is a small city located in the western part of Canyon County, west of Caldwell. The city was established in the early 20th century by Quaker settlers who sought to create a close-knit, religious community. Named after Greenleaf, Kansas, from which many of the early settlers originated, the city was founded on principles of simplicity, community, and religious values. Greenleaf has remained a small, peaceful town with a strong sense of community and a focus on agricultural activities. The city’s rural setting and its emphasis on family values make it a desirable place for those seeking a quiet, community-oriented lifestyle.
Major Schools and Landmarks
Greenleaf is served by the Vallivue School District and is home to Greenleaf Friends Academy, a private Quaker school that has been a cornerstone of the community since its founding in 1908. The city is known for its agricultural roots and its commitment to maintaining a strong sense of community. Notable landmarks include the Greenleaf Friends Church, which reflects the city’s Quaker heritage, and the nearby Deer Flat National Wildlife Refuge, which offers opportunities for birdwatching, hiking, and enjoying the natural beauty of the region. Greenleaf’s small-town charm and its emphasis on community and family values make it a unique and welcoming place to live.
