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Data sources

Official Data Sources

Updated

The published figures were independently re-checked against fresh official BEA and Census downloads on October 3, 2026: all 306 state values and margins matched, and the four Census files were byte-identical to the earlier retrieval. This retrieval date is distinct from the observation period.

BEA regional price parities, 2024

BEA release and definitions; official SARPP CSV archive. The February 19, 2026 release covers 2024. All-items Line 1 measures state consumer price levels relative to the United States at 100. Housing Line 3 concerns rental housing prices, not house-sale values. The download does not publish Census-style margins of error for these indices.

State and pair pages also publish SARPP Line 2 (goods), Line 4 (services: utilities) and Line 5 (services: other) for 2024, the Line 1 values for 2020 and 2024, and SARPI Line 2 (real per capita personal income, constant 2017 dollars) from the same archive. Every imported Line 1 and Line 3 value was required to equal the already-published figure before the file was accepted. How these measures are read.

Census ACS 2020–2024 five-year estimates

Official table-based Summary File documentation. State records and published estimate/margin fields were independently extracted from four official bulk files. All dollar measures use the dataset’s 2024-dollar definitions.

Census margins are published 90% confidence margins. Different medians describe different populations; they are not matched observations for one household. The tool does not invent margins for derived ratios or interpret every small gap as statistically significant.

Census state government tax collections, fiscal 2025

Annual Survey of State Government Tax Collections FY2025 flat file (released April 2026; thousands of current dollars) and its 2025 technical documentation for item codes and fiscal-year definitions. Per-resident figures use Vintage 2025 state population estimates (July 1, 2025). Both files were retrieved October 3, 2026. How the collections are grouped and read.

State tax rules on individual pages

Income-tax, sales-tax and cross-border notes on state and pair pages each name and link the constitution, statute, legislative report or revenue-agency page that was read on October 3, 2026. A state without such a note is not being described as having or lacking that tax.

New York and Connecticut sales-tax explanation

The focused New York–Connecticut article uses New York DTF delivery-address rate guidance and Connecticut DRS general and special sales-tax guidance. New York’s state component is not the total at every address. Connecticut’s general rate has exemptions and special-rate categories. These rules are not inferred from population price indices.

Minnesota and Wisconsin transaction rates

The Minnesota–Wisconsin article separately cites Minnesota Revenue's state, local and special-rate guidance and Wisconsin DOR's state, county and city rate guidance. A general state portion is distinct from the full tax at a transaction address and does not supply a household's annual liability.

Geography and the next release

State records use Census state geography, including the District of Columbia as its own published jurisdiction. DC observations describe the District, rather than the entire Washington metropolitan area. The fifty states and DC form the ranking universe; Puerto Rico is excluded because it has no corresponding state BEA parity in this table. BEA schedules its next regional price-parity release for December 10, 2026. A scheduled date does not replace the underlying observations automatically: new official files must be reconciled before the displayed vintage changes.

Formulas, scope and uncertainty

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