Chapter 4 - Counties.
- Article 1 - Bernalillo County, 4-1-1 through 4-1-2.
- Article 1A - New County South of Bernalillo County (South Valley), 4-1A-1 through 4-1A-16.
- Article 2 - Catron County, 4-2-1 through 4-2-4.
- Article 3 - Chaves County, 4-3-1 through 4-3-4.
- Article 3A - Cibola County, 4-3A-1 through 4-3A-14.
- Article 4 - Colfax County, 4-4-1 through 4-4-3.
- Article 5 - Curry County, 4-5-1.
- Article 6 - De Baca County, 4-6-1.
- Article 7 - Dona Ana County, 4-7-1 through 4-7-3.
- Article 8 - Eddy County, 4-8-1 through 4-8-4.
- Article 9 - Grant County, 4-9-1 through 4-9-2.
- Article 10 - Guadalupe County, 4-10-1 through 4-10-2.
- Article 11 - Harding County, 4-11-1 through 4-11-3.
- Article 12 - Hidalgo County, 4-12-1 through 4-12-2.
- Article 13 - Lea County, 4-13-1 through 4-13-3.
- Article 14 - Lincoln County, 4-14-1 through 4-14-2.
- Article 15 - Los Alamos County, 4-15-1 through 4-15-2.
- Article 16 - Luna County, 4-16-1 through 4-16-2.
- Article 17 - McKinley County, 4-17-1 through 4-17-2.
- Article 18 - Mora County, 4-18-1 through 4-18-4.
- Article 19 - Otero County, 4-19-1 through 4-19-2.
- Article 20 - Quay County, 4-20-1 through 4-20-7.
- Article 21 - Rio Arriba County, 4-21-1 through 4-21-2.
- Article 22 - Roosevelt County, 4-22-1 through 4-22-3.
- Article 23 - Sandoval County, 4-23-1 through 4-23-2.
- Article 24 - San Juan County, 4-24-1.
- Article 25 - San Miguel County, 4-25-1 through 4-25-7.
- Article 26 - Santa Fe County, 4-26-1 through 4-26-2.
- Article 27 - Sierra County, 4-27-1 through 4-27-3.
- Article 28 - Socorro County, 4-28-1.
- Article 29 - Taos County, 4-29-1.
- Article 30 - Torrance County, 4-30-1 through 4-30-2.
- Article 31 - Union County, 4-31-1 through 4-31-2.
- Article 32 - Valencia County, 4-32-1.
- Article 33 - Creation or Change of Counties, 4-33-1 through 4-33-17.
- Article 34 - Change of County Seats, 4-34-1 through 4-34-10.
- Article 35 - Determination of Boundary Disputes, 4-35-1 through 4-35-4.
- Article 36 - Miscellaneous Powers of Counties, 4-36-1 through 4-36-11.
- Article 37 - County Ordinances, 4-37-1 through 4-37-13.
- Article 38 - Board of County Commissioners, 4-38-1 through 4-38-42.
- Article 39 - County Assessor, 4-39-1 through 4-39-7.
- Article 40 - County Clerk, 4-40-1 through 4-40-10.
- Article 41 - County Sheriff, 4-41-1 through 4-41-22.
- Article 42 - County Surveyor, 4-42-1 through 4-42-15.
- Article 43 - County Treasurer, 4-43-1 through 4-43-4.
- Article 44 - Salaries and Provisions Applicable to More Than One Office, 4-44-1 through 4-44-45.
- Article 45 - Accounts and Claims Against Counties, 4-45-1 through 4-45-7.
- Article 46 - Suits by and Against Counties, 4-46-1 through 4-46-4.
- Article 47 - Public Buildings and Works, 4-47-1 through 4-47-4.
- Article 48 - Hospitals, 4-48-1 through 4-48-16.
- Article 48A - Special Hospital Districts, 4-48A-1 through 4-48A-30.
- Article 48B - Hospital Funding, 4-48B-1 through 4-48B-29.
- Article 49 - Bonds for Courthouses, Jails, Bridges, Hospitals and Libraries, 4-49-1 through 4-49-21.
- Article 50 - Flood Control, 4-50-1 through 4-50-17.
- Article 51 - County Budget, 4-51-1 through 4-51-3.
- Article 52 - Refuse Disposal Districts, 4-52-1 through 4-52-15.
- Article 53 - Special District Procedures, 4-53-1 through 4-53-11.
- Article 54 - Community Service Districts, 4-54-1 through 4-54-5.
- Article 55 - Special Assessment Districts for Improvements in Class A Counties, 4-55-1 through 4-55-34.
- Article 55A - County Improvement Districts, 4-55A-1 through 4-55A-43.
- Article 55B - Historic Building Improvement Act, 4-55B-1 through 4-55B-5.
- Article 55C - Solar Energy Improvement Special Assessment Act, 4-55C-1 through 4-55C-8.
- Article 56 - Refuse; Collection and Disposal, 4-56-1 through 4-56-3.
- Article 57 - Planning Commission, 4-57-1 through 4-57-3.
- Article 58 - Planning Districts, 4-58-1 through 4-58-6.
- Article 59 - County Industrial Revenue Bonds, 4-59-1 through 4-59-16.
- Article 60 - County Pollution Control Revenue Bonds, 4-60-1 through 4-60-15.
- Article 61 - Small Counties Assistance, 4-61-1 through 4-61-3.
- Article 62 - Revenue Bonds, 4-62-1 through 4-62-10.