- Douglas County Elections
- Douglas County Emergency Service Telephone Authority
- Douglas County Public Libraries
- Douglas County School District
- Douglas County Water Resource Authority
- Downtown Parker Business Improvement District
- E 470 Potomac Metropolitan District
- E 470 Public Highway Authority
- Elk Creek Fire Protection District
- Federal Communications Commission
- Fields Metropolitan District
- Founders Village Metropolitan District
- Foxhill Metropolitan Districts
- Franktown Business Area Metropolitan District
- Franktown Fire Protection District
- Global Village Academy – Douglas County
- Heritage Farm Metropolitan District
- Heritage Hills Metropolitan District
- Hess Ranch Metropolitan Districts
- Hidden Pointe Metropolitan District
- High Prairie Farm Metropolitan District
- High Prairie Farms Metropolitan District
- High Prairie Polo Club Metropolitan Districts
- Highfield Metropolitan District
- Highlands Ranch Metropolitan District
- Hillcrest Metropolitan District
- Hillside at Castle Rock Metropolitan District
- Hilltop Metropolitan District
- Hilltop Road at Legend Property Annexation
- Horse Creek Metropolitan District