Cities and Towns in Ada County, Idaho
Founded in 1864, Ada County is one of 44 counties in the state of Idaho. Historically, Ada County was formed from Boise County. The city of Boise is the county seat. With FIPS code of 1, Ada County has a population of 511,931 and area of 1,055 square miles (2,732 km²).
List of all cities in Ada County, ID alphabetically
| City/Town | Postal Code | Area Code |
| Albertsons, ID | 83726 | 208 |
| Boise, ID | 83701 | 208 |
| 83702 | 208 | |
| 83703 | 208 | |
| 83704 | 208 | |
| 83705 | 208 | |
| 83706 | 208 | |
| 83707 | 208 | |
| 83708 | 208 | |
| 83709 | 208 | |
| 83711 | 208 | |
| 83712 | 208 | |
| 83713 | 208 | |
| 83714 | 208 | |
| 83715 | 208 | |
| 83716 | 208 | |
| 83717 | 208 | |
| 83719 | 208 | |
| 83720 | 208 | |
| 83722 | 208 | |
| 83724 | 208 | |
| 83725 | 208 | |
| 83726 | 208 | |
| 83728 | 208 | |
| 83729 | 208 | |
| 83731 | 208 | |
| 83732 | 208 | |
| 83735 | 208 | |
| 83756 | 208 | |
| 83799 | 208 | |
| Boise Cascade, ID | 83728 | 208 |
| Boise State University, ID | 83725 | 208 |
| Dept of Transportation, ID | 83731 | 208 |
| Eagle, ID | 83616 | 208 |
| Federal Building, ID | 83724 | 208 |
| Garden City, ID | 83703 | 208 |
| 83714 | 208 | |
| Hidden Springs, ID | 83714 | 208 |
| I D State Dept of Employ, ID | 83735 | 208 |
| Idaho State House, ID | 83720 | 208 |
| Idaho State Tax Commission, ID | 83722 | 208 |
| 83756 | 208 | |
| Intermountain Gas Co, ID | 83732 | 208 |
| Kuna, ID | 83634 | 208 |
| Mayfield, ID | 83716 | 208 |
| Meridian, ID | 83642 | 208 |
| 83646 | 208 | |
| 83680 | 208 | |
| Mora, ID | 83634 | 208 |
| Pearl, ID | 83616 | 208 |
| Star, ID | 83669 | 208 |
| Ustick, ID | 83704 | 208 |
| Washington Group, ID | 83729 | 208 |
Major Cities and Towns in Ada County, Idaho
Boise
Area, Population, and Geographic Details
- Area: 85.0 square miles
- Population: Approximately 240,000 (as of the latest census)
- Zip Codes: 83701, 83702, 83703, 83704, 83705, 83706, 83709, 83712, 83713, 83714, 83716
- Latitude: 43.6150° N
- Longitude: 116.2023° W
Location and History
Boise, the capital and largest city of Idaho, is located in the southwestern part of the state along the Boise River. Founded in 1863 during the Idaho Gold Rush, Boise quickly became a key supply center for miners and settlers in the region. The city’s name, which means “wooded” in French, reflects the lush cottonwood trees that lined the riverbanks when French-Canadian trappers first visited the area. Boise became the capital of Idaho Territory in 1864 and continued to grow as a center of commerce and government. Today, Boise is a thriving urban center known for its vibrant cultural scene, outdoor recreation, and strong economy, which includes industries such as technology, healthcare, and education.
Major Schools and Landmarks
Boise is served by the Boise School District, with Boise High School and Timberline High School being among the prominent educational institutions. The city is home to several major landmarks, including the Idaho State Capitol, a neoclassical building that serves as the seat of government for the state. The Boise River Greenbelt, a 25-mile long scenic pathway, provides recreational opportunities for residents and visitors alike. The Old Idaho Penitentiary, now a museum, offers a glimpse into the state’s history with exhibits on prison life, while the Boise Art Museum and the Basque Museum and Cultural Center showcase the city’s rich artistic and cultural heritage. The annual Treefort Music Fest is one of the city’s major events, attracting music lovers from across the country.
Meridian
Area, Population, and Geographic Details
- Area: 29.7 square miles
- Population: Approximately 114,000 (as of the latest census)
- Zip Codes: 83642, 83646, 83680
- Latitude: 43.6121° N
- Longitude: 116.3915° W
Location and History
Meridian is the second-largest city in Ada County and is located just west of Boise. The city was founded in 1891 and originally grew as an agricultural community, particularly known for its fruit orchards and dairy farms. Meridian was named after the Boise Meridian, a survey line that runs north-south through the region. Over the past few decades, Meridian has experienced rapid growth due to its proximity to Boise and its appeal as a suburban community with excellent schools, parks, and family-friendly amenities. Today, Meridian is one of the fastest-growing cities in the United States, with a thriving economy that includes retail, healthcare, and technology sectors.
Major Schools and Landmarks
Meridian is served by the West Ada School District, with Mountain View High School and Meridian High School being the primary educational institutions. The city is home to several significant landmarks, including The Village at Meridian, a popular shopping, dining, and entertainment complex. Julius M. Kleiner Memorial Park, one of the city’s largest parks, offers sports fields, picnic areas, and walking trails. The Meridian Speedway, a historic quarter-mile oval track, hosts auto racing events and is a beloved local attraction. The annual Meridian Dairy Days festival celebrates the city’s agricultural heritage with parades, music, and community events, drawing residents and visitors alike.
Eagle
Area, Population, and Geographic Details
- Area: 29.4 square miles
- Population: Approximately 31,000 (as of the latest census)
- Zip Codes: 83616
- Latitude: 43.6956° N
- Longitude: 116.3548° W
Location and History
Eagle is a city located in the northwestern part of Ada County, near the foothills of the Boise Mountains. The city was incorporated in 1971, but its history dates back to the late 19th century when it was settled by pioneers attracted to the fertile land along the Boise River. Eagle was named for the large number of bald eagles that once inhabited the area. Originally a quiet farming community, Eagle has grown significantly in recent years, becoming a sought-after residential area known for its upscale neighborhoods, excellent schools, and outdoor recreation opportunities. Despite its growth, Eagle has maintained its small-town charm and strong sense of community.
Major Schools and Landmarks
Eagle is served by the West Ada School District, with Eagle High School and Eagle Middle School being the main educational institutions. The city is known for its beautiful parks and green spaces, including Eagle Island State Park, which offers swimming, boating, fishing, and hiking opportunities along the Boise River. The historic Orville Jackson House, now a museum, provides insights into the city’s early history and the life of one of its prominent settlers. Eagle’s downtown area features a variety of shops, restaurants, and art galleries, making it a vibrant center for community life. The annual Eagle Fun Days festival, featuring parades, fireworks, and a car show, is a highlight of the year for residents and visitors alike.
Kuna
Area, Population, and Geographic Details
- Area: 18.1 square miles
- Population: Approximately 24,000 (as of the latest census)
- Zip Codes: 83634
- Latitude: 43.4910° N
- Longitude: 116.4204° W
Location and History
Kuna is a city located in the southwestern part of Ada County, known for its rural atmosphere and rapid growth in recent years. The city was founded in the late 19th century as a stop along the Oregon Short Line Railroad and was named after a Native American word meaning “end of the trail.” Kuna remained a small agricultural town for much of its history, with a focus on farming and ranching. In recent decades, Kuna has experienced significant growth as more people move to the area seeking affordable housing and a quieter lifestyle while still being close to the amenities of the Boise metropolitan area.
Major Schools and Landmarks
Kuna is served by the Kuna School District, with Kuna High School and Fremont Middle School being the primary educational institutions. The city is known for its outdoor recreation opportunities, particularly at the nearby Snake River Birds of Prey National Conservation Area, which offers stunning views of the Snake River Canyon and is home to one of the largest concentrations of nesting raptors in North America. The Kuna Caves, a lava tube system located just outside the city, is another popular attraction for residents and visitors. Kuna’s downtown area retains a small-town feel, with local businesses, restaurants, and community events. The annual Kuna Days festival celebrates the city’s heritage with parades, fireworks, and a variety of family-friendly activities.