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TrueCOLA Project, the true cost of living: a laptop showing cost of living by state, household income against essential costs, and essential cost categories, for 50 states, 435 districts, and more than 26,000 ZIP codes.

Programs

TrueCOLA Project runs four public programs.

Monthly Margin Report

What it is. The Consumer Price Index basket priced in dollars and set against income for seven household types, published the next business day after each CPI release.

Who it is for. Households, reporters, employers, public officials, and researchers who want to see what the index weighs in the unit bills arrive in.

How to use it. Open the current report online, or download the PDF from the download page.

How it is funded. Funded by in-kind contributions and individual donations to TrueCOLA Project. It is free to use, and no funder reviews findings before publication.

District pages

What it is. A page for each of the 435 congressional districts and every state, updated with each report.

Who it is for. Anyone who wants the figures for one place: residents, local reporters, and the offices that represent a district.

How to use it. Start at the district list and choose a state and district.

How it is funded. Funded by in-kind contributions and individual donations to TrueCOLA Project. It is free to use, and no funder reviews findings before publication.

AI Companion

What it is. Each report as one text file any AI assistant can read.

Who it is for. Readers who want to ask an AI assistant about a report and get answers drawn from the published figures.

How to use it. Download the file from the download page, then give it to the assistant. The AI Companion page explains the steps.

How it is funded. Funded by in-kind contributions and individual donations to TrueCOLA Project. It is free to use, and no funder reviews findings before publication.

Open data

What it is. The published figures as free, downloadable public files.

Who it is for. Researchers, data reporters, and developers who want to work with the figures directly.

How to use it. Download the files from the public data page. No email is required.

How it is funded. Funded by in-kind contributions and individual donations to TrueCOLA Project. It is free to use, and no funder reviews findings before publication.