Canyon County, Idaho
50 public bodies govern here, 23 school districts are based here, and USDA lists 4 farmers markets. Everything below says where it came from.
In four numbers
- People
- 250,790
- Median household income
- $76,488
- ±1,853
- Unemployed
- 3.7%
- 4,525 of 123,549 in the labour force
- Homes with broadband
- 93.4%
- 80,352 of 86,069 households
U.S. Census Bureau, American Community Survey 5-year estimates 2020-2024; read 2026-09-26. Percentages worked out here from the two counts shown.
Who governs here
County government 1
| Name | People | Office | Website |
|---|---|---|---|
| County of Canyon | 243,115 (2021) | 1115 Albany St, Caldwell | Website |
Cities, towns and villages 8
| Name | People | Office | Website |
|---|---|---|---|
| City of Caldwell | 63,629 (2021) | Po Box 1179, Caldwell | Website |
| City of Greenleaf | 814 (2021) | 20523 Whittier Dr, Greenleaf | Website |
| City of Melba | 581 (2021) | Po Box 209, Melba | Website |
| City of Middleton | 10,169 (2021) | Po Box 487, Middleton | Website |
| City of Nampa | 106,186 (2021) | 411 3rd St S, Nampa | Website |
| City of Notus | 610 (2021) | Po Box 257, Notus | — |
| City of Parma | 2,114 (2021) | Po Box 608, Parma | Website |
| City of Wilder | 1,656 (2021) | Po Box 687, Wilder | Website |
Special districts 41
| Name | What it does | Office | Website |
|---|---|---|---|
| Greenleaf Cemetery District | Cemeteries | Po Box 338, Greenleaf | — |
| Lower Boise Cemetery District | Cemeteries | 22410 Ten Davis Rd, Parma | — |
| Melba Cemetery District | Cemeteries | Po Box 172, Melba | — |
| Middleton Cemetery Maintenance District | Cemeteries | Po Box 338, Middleton | — |
| Parma Cemetery District | Cemeteries | Po Box 969, Parma | — |
| Pleasant Ridge Cemetery Maintenance District | Cemeteries | Po Box 58, Huston | — |
| Roswell Cemetery District | Cemeteries | 209 E McConnell Ave, Parma | — |
| Wilder Cemetery District | Cemeteries | 20431 Batt Corner Rd, Wilder | — |
| Canyon County Drainage District 3 | Drainage | Po Box 729, Parma | — |
| Canyon County Drainage District 4 | Drainage | Po Box 729, Parma | — |
| Canyon County Drainage District 6 | Drainage | 23228 Boise River Rd, Caldwell | — |
| Boise River Flood Control District 10 | Flood control | Po Box 140396, Garden City | Website |
| Canyon County Flood Control District 11 | Flood control | Po Box 729, Parma | — |
| Canyon Highway District 4 | Highways | 15435 Highway 44, Caldwell | Website |
| Golden Gate Highway District 3 | Highways | 500 Golden Gate Ave, Wilder | Website |
| Nampa Highway District 1 | Highways | 4507 12th Ave Rd, Nampa | — |
| Notus Parma Highway District | Highways | Po Box 719, Parma | Website |
| Caldwell City Housing Authority | Housing and community development | 22730 Farmway Rd, Caldwell | — |
| Nampa Housing Authority | Housing and community development | 211 19th Ave N, Nampa | Website |
| Southwest Idaho Coop Housing Authority | Housing and community development | 377 Cornell St, Middleton | — |
| Black Canyon Irrigation District | Irrigation | Po Box 226, Notus | — |
| Caldwell Irrigation Lateral District | Irrigation | 1616 E Chicago St, Caldwell | — |
| Canyon Hill Irrigation District | Irrigation | Po Box 448, Nampa | — |
| Golden Gate Irrigation District | Irrigation | 824 Dearborn St, Caldwell | — |
| Nampa and Meridian Irrigation District | Irrigation | 1503 1st St S, Nampa | Website |
| Pioneer Irrigation District | Irrigation | Po Box 426, Caldwell | — |
| Reynolds Irrigation District | Irrigation | Po Box 12, Melba | — |
| Riverside Irrigation District | Irrigation | Po Box 302, Parma | — |
| West Reynolds Irrigation District | Irrigation | 10547 Youngs Ln, Melba | — |
| Wilder Irrigation District | Irrigation | Po Box 416, Caldwell | — |
| Wilder Public Library District | Libraries | Po Box 128, Wilder | — |
| Caldwell Rural Fire Protection District | Local fire protection | Po Box 321, Notus | — |
| Melba Rural Fire District | Local fire protection | Po Box 33, Melba | — |
| Middleton Rural Fire District | Local fire protection | 11665 W State ST. Suite B, Star | — |
| Nampa Fire Protection District | Local fire protection | Po Box 773, Nampa | — |
| Parma Rural Fire Protection District | Local fire protection | Po Box 7429, Parma | Website |
| Upper Deer Flat Rural Fire District | Local fire protection | 9500 Missouri Ave, Nampa | — |
| Wilder Rural Fire Protection District | Local fire protection | 601 Patriot Way, Wilder | — |
| Greater Middleton Area Recreation District | Parks and recreation | Po Box 265, Middleton | — |
| Ten Davis Recreation District | Parks and recreation | 23698 Market Rd, Parma | — |
| Canyon Soil Conservation District | Soil and water conservation | 2208 E Chicago St, Caldwell | Website |
U.S. Census Bureau, 2022 Census of Governments, Government Units List (published August 2023); the file read 2026-09-26. Offices are placed by county; a special district’s territory can cross county lines. Each body posts its own meetings on its website where the Census records one.
School districts based here
CALDWELL DISTRICT
School district10 schools
1200 GRANT STREET, Caldwell, ID, 83605
CANYON-OWYHEE SCHOOL SERVICE AGENCY (COSSA)
Specialized district1 schools
109 PENNY LANE, Wilder, ID, 83676
ELEVATE ACADEMY INC.
Independent charter district1 schools
114 W. CHICAGO STREET, Caldwell, ID, 83605
ELEVATE ACADEMY NAMPA LLC
Independent charter district1 schools
11425 ORCHARD AVENUE, Nampa, ID, 83651
GEM PREP: NAMPA LLC
Independent charter district1 schools
310 WEST IOWA AVENUE, Nampa, ID, 83686
HERITAGE COMMUNITY CHARTER SCHOOL INC.
Independent charter district1 schools
1803 EAST USTICK ROAD, Caldwell, ID, 83605
IDAHO ARTS CHARTER SCHOOL INC.
Independent charter district1 schools
1220 5TH STREET NORTH, Nampa, ID, 83687
LEGACY PUBLIC CHARTER SCHOOL INC.
Independent charter district1 schools
4015 SOUTH LEGACY WAY, Nampa, ID, 83686
LIBERTY CHARTER SCHOOL INC.
Independent charter district1 schools
9955 KRIS JENSEN LANE, Nampa, ID, 83686
MELBA JOINT DISTRICT
School district2 schools
511 BROADWAY AVENUE, Melba, ID, 83641
MIDDLETON DISTRICT
School district6 schools
5 SOUTH VIKING AVENUE, Middleton, ID, 83644
MOSAICS PUBLIC SCHOOL INC.
Independent charter district1 schools
3121 LINCOLN ROAD, Caldwell, ID, 83605
NAMPA SCHOOL DISTRICT
School district22 schools
619 SOUTH CANYON STREET, Nampa, ID, 83686
NOTUS DISTRICT
School district2 schools
25260 NOTUS ROAD, Caldwell, ID, 83607
PARMA DISTRICT
School district3 schools
805 EAST MCCONNELL, Parma, ID, 83660
PATHWAYS IN EDUCATION - NAMPA INC.
Independent charter district1 schools
124 HOLLY STREET, Nampa, ID, 83686
PROMISE ACADEMY INC
Independent charter district1 schools
28371 EL PASO ROAD, Caldwell, ID, 83607
SAGE INTERNATIONAL SCHOOL MIDDLETON LLC
Independent charter district1 schools
208 SOUTH HARLEY LANE, Middleton, ID, 83644
THOMAS JEFFERSON CHARTER SCHOOL INC.
Independent charter district1 schools
1209 ADAM SMITH AVENUE, Caldwell, ID, 83605
VALLIVUE SCHOOL DISTRICT
School district13 schools
5207 SOUTH MONTANA AVENUE, Caldwell, ID, 83607
VICTORY CHARTER SCHOOL INC.
Independent charter district1 schools
9779 KRIS JENSEN LANE, Nampa, ID, 83686
VISION CHARTER SCHOOL INC.
Independent charter district1 schools
19291 WARD ROAD, Caldwell, ID, 83605
WILDER DISTRICT
School district4 schools
210 A AVENUE EAST, Wilder, ID, 83676
National Center for Education Statistics, Common Core of Data 2024-25; read 2026-09-26.
Farmers markets
Caldwell Farmers' Market
Arthur St. and Kimball St., Between Kimball and 7th St., Caldwell, ID, 83605
Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing
Farm to Fork Farmers' Market
120 S Kimball Ave, Caldwell, ID, 83605
SNAP / EBTSenior coupons
Submitted by the market; USDA record last changed 2021-06-09. USDA listing
Nampa Farmers' Market
1350 Front St., Nampa, ID, 83687
Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing
Parma Farmers' Market
504 E. Grove, Parma, ID, 83660
Gathered by USDA from the web; USDA record last changed 2023-03-20. USDA listing
USDA National Farmers Market Directory; read 2026-09-26.