Wyoming State Constitution: History, Articles, and Amendments

Wyoming's state constitution is the foundational legal document governing everything from how the governor exercises executive power to how public school lands are managed and sold. Adopted in 1889 before Wyoming achieved statehood, it remains one of the more compact and deliberately structured state constitutions in the American West. This page examines its historical origins, its 21 articles, its amendment mechanics, and the persistent tensions between constitutional design and the demands of a resource-dependent, low-population state.

• Definition and scope
• Core mechanics or structure
• Causal relationships or drivers
• Classification boundaries
• Tradeoffs and tensions
• Common misconceptions
• Checklist or steps
• Reference table or matrix

Definition and scope

Wyoming's constitution does something most legal documents avoid: it opens with a declaration of rights before it bothers establishing a government. Article 1 — the Declaration of Rights — precedes any description of legislative, executive, or judicial structure. That sequencing was deliberate. The 1889 constitutional convention, convened in Cheyenne in September of that year with 49 delegates, drew heavily on the constitutions of Colorado, Illinois, and Ohio, but the delegates had firm opinions about ordering priorities.

The document governs the State of Wyoming exclusively. It binds state government, county governments, municipalities, and public institutions chartered under state law. It does not govern federal lands — and this is a consequential limitation, because approximately 48 percent of Wyoming's total land area is federally owned, according to the Congressional Research Service. What happens on those federal acres — grazing permits, mineral leases, wilderness designations — falls under federal statutory and regulatory authority, not the Wyoming constitution. The constitution's writ stops at the boundary of state jurisdiction.

The scope of the constitution also does not extend to tribal governance. Wyoming contains the Wind River Indian Reservation, home to the Eastern Shoshone and Northern Arapaho tribes. Tribal law and federal Indian law govern affairs on the reservation; the state constitution applies only where specific jurisdictional agreements or state law expressly authorize state authority in that context.

Core mechanics or structure

The Wyoming Constitution contains 21 articles. They range from broad rights declarations to highly specific operational directives — Article 18, for instance, deals exclusively with public land management, while Article 15 addresses taxation in considerable granular detail.

The amendment process runs through two tracks. The first is the legislative referral route: a proposed amendment must pass both chambers of the Wyoming Legislature by a two-thirds vote in each, then be ratified by a majority of voters at the next general election. The second track is constitutional convention, which requires a two-thirds legislative vote to authorize and a majority popular vote to convene, though Wyoming has never convened a second constitutional convention since 1889.

The Wyoming Legislature maintains the official enrolled text of the constitution and publishes all amendments with their ratification dates. As of the most recent legislative session, the constitution has been amended more than 100 times, with amendments clustering heavily around public finance, education funding, and individual rights expansions.

The judicial article (Article 5) establishes the Wyoming Supreme Court as the court of last resort, with 5 justices serving 8-year terms following a merit selection and retention election process rather than contested partisan elections. This structure — adopted through amendment — distinguishes Wyoming from states where supreme court justices run in competitive races.

For a detailed examination of how these constitutional structures translate into day-to-day governance, the Wyoming Government Authority provides in-depth coverage of state agencies, elected offices, and the administrative apparatus that operates under the constitution's framework. Its treatment of the separation of powers and executive branch organization is particularly useful for understanding how constitutional provisions interact with enabling legislation.

Causal relationships or drivers

The constitution's structure reflects three forces that shaped Wyoming in 1889: the economic dominance of the cattle industry, federal land policy, and a sparse population that made an elaborate state bureaucracy both unnecessary and unaffordable.

The cattle industry's influence is visible in the water rights provisions of Article 8, which declares all water in Wyoming to be the property of the state and establishes the prior appropriation doctrine — first in time, first in right. This was not philosophical; it was economic survival. Water allocation in an arid state with large ranching operations required a legal framework that could be enforced across property lines.

Federal land policy drove the public land articles. Wyoming entered statehood under the Enabling Act of 1889, which granted the new state specific sections of land (sections 16 and 36 in every township) for public school support. Article 7 and Article 18 of the constitution embed the management obligations for those lands, creating a permanent school fund structure that still operates through the Wyoming Office of State Lands and Investments.

Population sparsity produced a constitution that concentrated power rather than dispersed it. The legislature meets in a 40-day general session in odd-numbered years and a 20-day budget session in even-numbered years — a cadence that reflects a governing body designed for a place where full-time professional legislatures were considered unnecessary and expensive.

The Wyoming State Constitution page connects to the broader governmental overview hosted on this site's main index, where the relationship between constitutional structure and current state operations is mapped across agencies and offices.

Classification boundaries

Wyoming's constitution sits within the category of second-generation western state constitutions — those drafted after Reconstruction but before the Progressive Era's influence on constitutional drafting became dominant. This places it in a distinct cohort alongside Nevada (1864), Colorado (1876), and Montana (1889).

Second-generation western constitutions share several characteristics: strong water law provisions, explicit public land trust obligations, relatively brief texts compared to Progressive-era constitutions like Oklahoma's (1907), and amendment processes designed to be deliberate rather than easy. Oklahoma's constitution, for comparison, exceeds 90,000 words. Wyoming's runs to approximately 31,000 words in its current amended form.

What Wyoming's constitution is not: it is not a home rule charter. Wyoming cities and counties operate under Dillon's Rule as modified by state statute, meaning local governments possess only the powers expressly granted to them by the state. The constitution does not broadly authorize municipalities to self-govern; it delegates that question to the legislature.

Tradeoffs and tensions

The most persistent tension in Wyoming constitutional law involves the mineral trust fund and education finance. Article 15's uniformity clause requires property to be taxed uniformly, which created decades of litigation over whether mineral extraction should be taxed at the same rate as agricultural or residential property. The Wyoming Supreme Court has repeatedly interpreted this clause in ways that affect how severance taxes and ad valorem mineral taxes are structured.

A second tension exists between constitutional rigidity and policy flexibility. Because the constitution embeds specific fiscal rules — including a prohibition on the state incurring debt beyond certain limits without voter approval — the legislature cannot respond to revenue shocks through borrowing alone. When mineral revenues collapsed in the mid-2010s, the constitutional constraints forced cuts rather than borrowing, which some economists argued deepened the contraction in state services.

The Declaration of Rights in Article 1 creates a third area of tension. Section 18 of Article 1 prohibits discrimination based on sex in the exercise of civil or political rights — a provision that predates the federal Equal Rights Amendment debate by decades, as Wyoming granted women's suffrage in 1869 as a territory. The breadth of that state constitutional protection has, at times, exceeded what federal courts interpret the U.S. Constitution to require, producing divergences between state and federal civil rights jurisprudence in Wyoming.

Common misconceptions

Misconception: Wyoming's constitution is unchanged since 1889. The document has been amended more than 100 times. Major amendments have restructured judicial selection, modified the education finance system, adjusted debt limitations, and expanded rights protections. The 1889 text is the foundation, not the whole building.

Misconception: The constitution controls federal land management in Wyoming. It does not. Federal agencies — the Bureau of Land Management, the U.S. Forest Service, the National Park Service — operate under federal law on federal lands. The Wyoming constitution has no legal authority over approximately 30 million acres of federally managed land within the state's geographic boundaries.

Misconception: The Wyoming Legislature can amend the constitution by simple majority. A two-thirds majority in both the Senate and the House is required to refer an amendment to voters. A bare majority in one chamber cannot advance a constitutional amendment.

Misconception: Wyoming's constitution is unusually short. At approximately 31,000 words, it is shorter than California's (approximately 75,000 words) and Louisiana's (approximately 95,000 words), but longer than Vermont's (approximately 8,500 words). It occupies the middle range for U.S. state constitutions.

Checklist or steps

Amendment referral sequence under Article 20:

• A joint resolution proposing an amendment is introduced in either chamber of the Wyoming Legislature
• The resolution passes both the Wyoming House of Representatives and the Wyoming Senate by a two-thirds majority vote in each chamber
• The amendment is enrolled and certified by the Secretary of State
• The amendment is published and submitted to the electorate at the next general election
• Registered voters cast ballots; a simple majority of votes cast on the question is required for ratification
• Upon ratification, the Secretary of State certifies the amendment as part of the constitution
• The Wyoming Legislature's enrolled bill system records the amendment with its ratification date

Reference table or matrix

Sources: Wyoming Legislature — Wyoming Constitution; Wyoming Secretary of State

References

• Wyoming Constitution — Wyoming Legislature
• Wyoming Secretary of State — Official State Documents
• Wyoming Office of State Lands and Investments
• Congressional Research Service — Federal Land Ownership: Overview and Data (R42346)
• Wyoming Enabling Act of 1889 — National Archives
• Wyoming Supreme Court — Judicial Selection Information