Adult Legal Age By State

Please do research of your own to be sure that adult purchases are for you. 

Alabama
Title 26: Infants and Incompetents.
Chapter 1: General Provisions.
Section 26-1-1: Age of Majority Designated as 19 Years

Alaska
Title 25: Marital and Domestic Relations
Chapter 20: Parent and Child
Sec. 25.20.010: Age of majority

Arizona
Title 13: Criminal Code
§ 13-501: Persons under eighteen years of age; felony charging; definitions

Arkansas
Title 9: FAMILY LAW (§§ 9-2-101 — 9-34-204)
Subtitle 3: MINORS (§§ 9-25-101 — 9-34-204)
Chapter 25: GENERAL PROVISIONS (§§ 9-25-101 — 9-25-106)
Section 9-25-101: Age of majority - Exceptions

California
Family Code: FAM
DIVISION 11: MINORS
PART 1: AGE OF MAJORITY
Section 6500

Colorado
Title 13: COURTS AND COURT PROCEDURE (§§ 13-1-101 — 13-100-104) / CONTRACTS AND AGREEMENTS (§§ 13-22-101 — 13-24-123)
Article 22: Age of Competence - Arbitration - Mediation (§§ 13-22-101 — 13-22-708)
Part 1: AGE OF COMPETENCE - TRANSPLANT AND TRANSFUSION LIMITATION (§§ 13-22-101 — 13-22-107)
Section 13-22-101: Competence of persons eighteen years of age or older
 
Connecticut
Title 1: Provisions of General Application
Chapter 1: Construction of Statutes
Section 1-1d: “Minor”, “infant”, “infancy”, “age of majority”, defined

Delaware
Title 13: Domestic Relations
Chapter 17: DOMICILE
§ 1701: Adult

Florida
Title XLVI: Crimes
Chapter 847 : Obscenity
847.001: Definitions

Georgia
Title 39: MINORS (§§ 39-1-1 — 39-6-5)
Chapter 1: GENERAL PROVISIONS (§ 39-1-1)
Section 39-1-1: Age of legal majority; residence of persons in state for purpose of attending school

Hawaii
Title 31: Family
577: Children
577-1: Age of majority

Idaho
Title 39: HEALTH AND SAFETY
Chapter 53: ADULT ABUSE, NEGLECT AND EXPLOITATION ACT
Section 39-5302: DEFINITIONS

Illinois
Chapter 755: ESTATES
755 ILCS 5/: Probate Act of 1975.
Article XI: Minors

Indiana
Title 31: Family Law and Juvenile Law
Article 9: Definitions
Chapter 2: Definitions
31-9-2-7: "Adult"

Iowa
Title IV: PUBLIC HEALTH
Chapter 135L: NOTIFICATION REQUIREMENTS REGARDING PREGNANT MINORS
Section 135L.1: Definitions

Kansas
Chapter 72: Schools
Article 61: Student Safety And Discipline
72-6121: Definitions

Kentucky
Chapter 209: Protection of adults
209.020: Definitions for chapter

Louisiana
Title 46: Public Welfare and Assistance
§46:2132: Definitions

Maine
TITLE 19-A: DOMESTIC RELATIONS
Part 1: GENERAL PROVISIONS
Chapter 1: GENERAL PROVISIONS
19-A §101: Definitions

Maryland
ARTICLE 1: RULES OF INTERPRETATION
§ 401: Article - General Provisions

Massachusetts
Part III
Title II
Chapter 231
Section 85P

Michigan
Chapter 722: Children
Act 79 of 1971: Age of Majority Act of 1971 (722.51 - 722.55)

Minnesota
Chapters 245 - 267: Public Welfare And Related Activities
Chapter 260B: Delinquency
Section 260B.007: Definitions

Mississippi
Title 93: DOMESTIC RELATIONS (§§ 93-1-1 — 93-31-7)
Chapter 14: UNIFORM ADULT GUARDIANSHIP AND PROTECTIVE PROCEEDINGS JURISDICTION ACT (§§ 93-14-101 — 93-14-504)
Article 1: GENERAL PROVISIONS (§§ 93-14-101 — 93-14-106)
Section 93-14-102: Definitions

Missouri
Title XXIX: Ownership and Conveyance of Property
Chapter 442: Titles and Conveyance of Real Estate
Section 442.010: Definitions

Montana
Title 45: Crimes
Chapter 5: Offenses Against the Person
Part 7: Human Trafficking
45-5-701: Definitions

Nebraska
Chapter 43: Infants and Juveniles
43-2101: Persons under nineteen years of age declared minors; marriage, effect; person eighteen years of age or older; rights and responsibility.

Nevada
Chapter 451: Dead Bodies
NRS 451.511: "Adult" defined

New Hampshire
Title I: The State and Its Government
Chapter 21: Statutory Construction
Section 21:44: Age of Majority; Adults

New Jersey
Title 2A: Administration of Civil and Criminal Justice
Section 2A:168-27: Definitions

New Mexico
Chapter 28: Human Rights
Article 6: Age of Majority
Section 28-6-1: Age of majority; eighteen years; exception.

New York
SOS: Social Services
Article 6: Children
Title 1: Care and Protection of Children
371: Definitions

North Carolina
General Statutes Article 1: Age of Majority. 
Chapter 48A: Minors. Article 2. Age of Majority 

North Dakota
Title 14: Domestic Relations and Persons
Chapter 14-10: Minors

Ohio
Title 21: Courts-Probate-Juvenile
Chapter 2108: Human Bodies or Parts Thereof
Section 2108.70: Assignment of Rights Regarding Disposition of Remains.

Oklahoma
Title 21: Crimes and Punishments
§21-1040.75: Definitions.

Oregon
Volume 03: Landlord-Tenant, Domestic Relations, Probate
Chapter 127: Powers of Attorney; Advance Directives for Health Care; Physician Orders for Life-Sustaining Treatment Registry; Declarations for Mental Health Treatment; Death With Dignity
Section 127.505: Definitions for ORS 127.505 to 127.660

Pennsylvania
Title 20: DECEDENTS, ESTATES AND FIDUCIARIES
Chapter 59: Uniform Adult Guardianship and Protective Proceedings Jurisdiction
Section 5902: Definitions

Rhode Island
Title 18: Fiduciaries
Chapter 18-13: Rhode Island Uniform Custodial Trust Act
Section 18-13-1: Definitions

South Carolina
Title 62: South Carolina Probate Code
Article 5: Protection Of Persons Under Disability And Their Property
Section 62-5-101: Definitions and use of terms.

South Dakota
Title 22: Crimes
Chapter 24: Obscenity And Public Indecency
Section 22-24-27: Definition of terms

Tennessee
Title 37: JUVENILES (§§ 37-1-101 — 37-11-103)
Chapter 5: DEPARTMENT OF CHILDREN'S SERVICES (§§ 37-5-101 — 37-5-608)
Part 1: GENERAL PROVISIONS (§§ 37-5-101 — 37-5-137)
Section 37-5-103: Chapter definitions

Texas
Family Code
Title 5: The Parent-Child Relationship and the Suit Affecting the Parent-Child Relationship
Subtitle A: General Provisions
Chapter 101: Definitions
Section 101.003: Child or Minor; Adult

Utah
Title 53: Public Safety Code
Chapter 3: Uniform Driver License Act
Part 8: Identification Card Act
Section 802: Definitions.

Vermont
Title 14: Decedents' Estates and Fiduciary Relations
Chapter 114: Uniform Adult Guardianship and Protective Proceedings Jurisdiction Act
§ 3152: Definitions

Virginia
Title 63.2: Welfare (Social Services)
Chapter 16: Adult Services
§ 63.2-1603: Protection of adults; definitions

Washington
Title 9A: Washington Criminal Code
Chapter 9A.44: Sex Offenses.
9A.44.128: Definitions applicable to RCW 9A.44.130 through 9A.44.145, 10.01.200, 43.43.540, 70.48.470, and 72.09.330.

West Virginia
Chapter 61: Crimes and Their Punishment
Article 8A: Preparation, Distribution or Exhibition of Obscene Matter to Minors
§61-8A-1: Definitions

Wisconsin
Chapter 938: Juvenile justice code
938.02: Definitions

Wyoming
Title 14: Children
Chapter 6: Juveniles
Article 2: Juvenile Justice Act
Section 14-6-201: Definitions; Short Title; Statement of Purpose and Interpretation.