What Is 1990 Oregon Ballot Measure 5

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Last updated: April 15, 2026

Quick Answer: 1990 Oregon Ballot Measure 5, passed in November 1990 with 57% voter approval, fundamentally restructured property tax and school funding in Oregon by limiting tax rates and shifting budget authority to the state legislature.

Key Facts

Measure 5 passed on November 6, 1990, with approximately 57% of the vote
It capped property tax rates for education at $5 per $1,000 of assessed value
The measure shifted school funding responsibility from local districts to the state
It limited property tax rates for general government to $10 per $1,000
Measure 5 led to a significant reduction in local control over school budgets

Overview

1990 Oregon Ballot Measure 5 was a landmark piece of legislation approved by Oregon voters to reform property taxation and public school funding. Designed to address rising property taxes and inequities in education financing, the measure fundamentally altered how schools were funded across the state.

By placing constitutional limits on property tax rates, Measure 5 aimed to curb local government revenue growth and ensure more equitable funding across school districts. Its passage reflected widespread public concern over tax burdens and disparities between wealthy and poorer districts.

Passed on November 6, 1990, Measure 5 received 57% voter support, reflecting strong public demand for tax reform and school funding changes.
Restricted local property tax rates for school districts to no more than $5 per $1,000 of assessed property value, significantly reducing local revenue capacity.
Set a separate cap of $10 per $1,000 for non-school government operations such as cities, counties, and special districts.
Mandated state-level equalization of school funding, shifting responsibility from local districts to the Oregon Legislature to ensure minimum funding levels statewide.
Triggered major consolidation of local taxing districts, as smaller entities could no longer sustain operations under the new revenue limits.

How It Works

Measure 5 introduced structural changes to Oregon’s tax and education systems by redefining how property taxes could be levied and how school funding was distributed. The mechanism relied on state-level intervention to compensate for lost local revenue.

Term: The law redefined the property tax base by limiting local governments’ ability to raise funds independently. This forced reliance on state allocations for essential services.
Assessed value basis for taxation was preserved, but rate caps prevented increases even as property values rose, leading to stagnating local revenues over time.
School funding shifted to state control, requiring the Oregon Legislature to allocate funds based on student enrollment rather than local tax collections.
Equalization formula was implemented to direct more money to poorer districts, reducing disparities but also limiting wealthier districts’ ability to raise extra funds.
Local voter approval no longer sufficient for tax increases beyond the cap, effectively removing a key tool of local fiscal autonomy.
Required biennial adjustments by the state legislature to maintain minimum education funding levels, increasing political pressure on budget decisions.

Comparison at a Glance

The following table compares key features of Oregon’s pre- and post-Measure 5 systems:

Feature	Pre-Measure 5 (Before 1991)	Post-Measure 5 (After 1991)
Property Tax Cap	No statewide cap; rates varied by district	$5 per $1,000 for schools; $10 for general government
School Funding Source	Primarily local property taxes	State-funded with local caps
Local Control	High; districts could raise revenue independently	Greatly reduced due to rate limits
State Role	Minor supplemental funding	Primary funder of basic education
Funding Equity	Highly variable by district wealth	More uniform, state-mandated minimums

This shift aimed to create fairness in education funding but also led to unintended consequences, including reduced per-pupil spending in affluent districts and increased state budget pressures. Over time, the measure reshaped Oregon’s fiscal landscape, influencing subsequent tax and education reforms.

Why It Matters

Measure 5 remains one of the most significant policy shifts in Oregon’s modern history, with lasting implications for governance, education, and fiscal policy. Its effects continue to influence debates over tax fairness and school funding.

Reduced property tax burdens for homeowners, particularly in high-value areas, making housing more affordable in the short term.
Diminished local control over school budgets, leading to consolidation and reduced district-level decision-making power.
Increased state dependency for education funding, making schools more vulnerable to legislative budget cycles.
Spurred future tax revolts, including Measures 47 and 50, which extended Measure 5’s principles to other areas of taxation.
Highlighted urban-rural divides, as rural districts faced greater challenges adapting to centralized funding models.
Influenced national policy discussions, serving as a model for tax limitation efforts in other states facing similar fiscal pressures.

Measure 5 fundamentally redefined the relationship between Oregon citizens, their local governments, and public education. While it succeeded in limiting taxes, it also sparked ongoing debates about equity, adequacy, and the role of government in funding essential services.