PENNER STRATEGY / RESEARCH
reviewed

Where did returns leaving King County move?

Calendar-year filing transition 2022-2023

California was the largest single interstate destination, with 8,477 named returns. That single-state ranking survives the reviewed suppression bounds.

Matched filing-address returns are not individual people. Class and amount use year-2 income. This earlier transition differs from the dividend comparison; aggregate AGI does not identify dividend income, tax motive or a causal mechanism. Region-only rows cannot be assigned to states.

What the evidence supports

A robust single-state result, a limited combined comparison

Nevada, Florida and Texas have 5,459 identified returns combined. Suppressed region-only rows make their combined comparison with California indeterminate.

Primary source
Horizontal bars for all 45 named King County interstate destination jurisdictions and four separate region-only suppression buckets. California has 8,477 named returns.
All 45 named destination jurisdictions and four region-only suppression buckets. California remains the largest single destination under the reviewed bounds. Suppression prevents a definitive comparison with Nevada, Florida and Texas combined.

Method and review scope

Aggregate named destination rows and bound compatible suppressed region totals without assigning them to particular states.

Sources

Source vintages, retrieval dates and hashes

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