{
  "title": "Primary source index",
  "as_of_date": "2026-09-21",
  "notes": [
    "Links identify original public publishers. This local preview does not redistribute bulk primary datasets.",
    "Retrieval timestamps are retained where the saved source manifest recorded them. Null means the exact retrieval time was not recorded here.",
    "Source values are pinned to the September 21 review; linked publisher files can later change."
  ],
  "sources": [
    {
      "id": "income-source-irs-22-allagi",
      "label": "IRS county data, TY2022: Income by AGI class",
      "url": "https://www.irs.gov/pub/irs-soi/22incyallagi.csv",
      "period": "Tax year 2022",
      "retrieved_at": "2026-09-14T16:57:30.185246+00:00",
      "snapshot_sha256": "a73ff0d92b9a6fafcd4de97a75552b4d3eb53638e3a3d7e9c27858438b47ffc7"
    },
    {
      "id": "income-source-irs-22-allnoagi",
      "label": "IRS county data, TY2022: All-income totals",
      "url": "https://www.irs.gov/pub/irs-soi/22incyallnoagi.csv",
      "period": "Tax year 2022",
      "retrieved_at": "2026-09-14T16:57:34.747529+00:00",
      "snapshot_sha256": "2c04ff235bcbacb990b316bf79c7c628089a9a4c1dd9593ac51f74a109b13343"
    },
    {
      "id": "income-source-irs-23-allagi",
      "label": "IRS county data, TY2023: Income by AGI class",
      "url": "https://www.irs.gov/pub/irs-soi/23incyallagi.csv",
      "period": "Tax year 2023",
      "retrieved_at": "2026-09-14T16:57:45.441148+00:00",
      "snapshot_sha256": "43d698a635e74f102d191639dab09839e78e01a43fea4d6bf5729881459a210e"
    },
    {
      "id": "income-source-irs-23-allnoagi",
      "label": "IRS county data, TY2023: All-income totals",
      "url": "https://www.irs.gov/pub/irs-soi/23incyallnoagi.csv",
      "period": "Tax year 2023",
      "retrieved_at": "2026-09-14T16:57:48.137170+00:00",
      "snapshot_sha256": "f5cfc2b9bd4ed26e1e07d3405e2f167842b8463fb2201c652aa70c47847f4374"
    },
    {
      "id": "income-source-irs-county",
      "label": "IRS SOI County Data landing page",
      "url": "https://www.irs.gov/statistics/soi-tax-stats-county-data",
      "period": "Tax years through 2023",
      "retrieved_at": "2026-09-21T20:31:16.106619+00:00",
      "snapshot_sha256": "a4f8ba9a20f57c456c9c3680fa32c2f051c7efce2d0f4d61d1b79037f60ee457"
    },
    {
      "id": "income-source-irs-state",
      "label": "IRS SOI Historic Table 2 landing page",
      "url": "https://www.irs.gov/statistics/soi-tax-stats-historic-table-2",
      "period": "Tax years through 2023",
      "retrieved_at": "2026-09-21T20:31:15.167969+00:00",
      "snapshot_sha256": "132bc379eb8701387b0e7fd542fb501a0f76aa714f8d580a9a3b2ddfde523fbf"
    },
    {
      "id": "income-source-bea-methods",
      "label": "BEA County Personal Income Concepts and Methods",
      "url": "https://www.bea.gov/system/files/methodologies/BEA-County-Personal-Income-Concepts-and-Methods.pdf",
      "period": "Methodology current at retrieval",
      "retrieved_at": "2026-09-21T20:31:15.553271+00:00",
      "snapshot_sha256": "f74f42277b30a133592a0b8abe98c985e587f85a579b9a79937b259be0389eca"
    },
    {
      "id": "income-source-bea-state",
      "label": "BEA annual state personal income tables",
      "url": "https://apps.bea.gov/regional/zip/SAINC.zip",
      "period": "SAINC40 through 2024; SAINC4 through 2025",
      "retrieved_at": "2026-09-21T20:32:54.656554+00:00",
      "snapshot_sha256": "339a3d3d6a283eea3f5647ea5b33570da73801d4248c5e2209c1e196428d9a9a"
    },
    {
      "id": "income-source-bea-quarterly",
      "label": "BEA quarterly state personal income tables",
      "url": "https://apps.bea.gov/regional/zip/SQINC.zip",
      "period": "Through 2026 Q1",
      "retrieved_at": "2026-09-21T20:31:17.063128+00:00",
      "snapshot_sha256": "62f5b13556bda989ce9fbe5e8ddc70427276a09209ad7aee27737988f56fe9e6"
    },
    {
      "id": "income-source-bea-county",
      "label": "BEA county personal income by major component",
      "url": "https://apps.bea.gov/regional/zip/CAINC4.zip",
      "period": "Through calendar year 2024",
      "retrieved_at": "2026-09-21T20:31:17.261491+00:00",
      "snapshot_sha256": "0de2d6308b4e6eb18ec70f438a70e354c35e909f3c343ec511580d5ddb5e81e9"
    },
    {
      "id": "income-source-acs-2023-amounts",
      "label": "ACS B19064 table data",
      "url": "https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/1YRData/acsdt1y2023-b19064.dat",
      "period": "2023 ACS 1-year",
      "retrieved_at": "2026-09-21T20:39:45.197978+00:00",
      "snapshot_sha256": "f15cac2e51cc424864c2cbb32818fc12d2553468f2300267ef01c1ef6dd3b919"
    },
    {
      "id": "income-source-acs-2023-households",
      "label": "ACS B19054 table data",
      "url": "https://www2.census.gov/programs-surveys/acs/summary_file/2023/table-based-SF/data/1YRData/acsdt1y2023-b19054.dat",
      "period": "2023 ACS 1-year",
      "retrieved_at": "2026-09-21T20:39:45.188784+00:00",
      "snapshot_sha256": "e8fb71a41117b138e3d03e6f63130f8e89e3b97062bfcbac83b990f4e76af56b"
    },
    {
      "id": "income-source-acs-2024-amounts",
      "label": "ACS B19064 table data",
      "url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/1YRData/acsdt1y2024-b19064.dat",
      "period": "2024 ACS 1-year",
      "retrieved_at": "2026-09-21T20:39:44.532768+00:00",
      "snapshot_sha256": "9b3a45c1c77ad0b74b1a556ff1dcd63bbc643dc83317cb0c275d60bb6cbb930d"
    },
    {
      "id": "income-source-acs-2024-households",
      "label": "ACS B19054 table data",
      "url": "https://www2.census.gov/programs-surveys/acs/summary_file/2024/table-based-SF/data/1YRData/acsdt1y2024-b19054.dat",
      "period": "2024 ACS 1-year",
      "retrieved_at": "2026-09-21T20:39:44.594904+00:00",
      "snapshot_sha256": "b8edbd32a3a8d0971f2c3274066f7027964d40151340464373e8735bc29b5082"
    },
    {
      "id": "income-source-migration-gross",
      "label": "IRS Gross Migration File, CY2022-2023",
      "url": "https://www.irs.gov/pub/irs-soi/2223inmigall.csv",
      "period": "Calendar-year filing transition 2022-2023",
      "retrieved_at": null,
      "snapshot_sha256": "a4b5bf4b8224a8bbb89bef2c46f3757f3c65964bea4c45d0582516c729c1c295"
    },
    {
      "id": "income-source-migration-county",
      "label": "IRS county outflow, CY2022-2023",
      "url": "https://www.irs.gov/pub/irs-soi/countyoutflow2223.csv",
      "period": "Calendar-year filing transition 2022-2023",
      "retrieved_at": null,
      "snapshot_sha256": "364dba518f0db092515ccde03dda987815f6e54bcc8859640001e9185d4c106e"
    },
    {
      "id": "income-source-migration-guide",
      "label": "IRS migration data and documentation, 2022-2023",
      "url": "https://www.irs.gov/statistics/soi-tax-stats-migration-data-2022-2023",
      "period": "Calendar-year filing transition 2022-2023",
      "retrieved_at": null,
      "snapshot_sha256": null
    },
    {
      "id": "income-source-irs-schedule",
      "label": "IRS annual release calendar",
      "url": "https://www.irs.gov/pub/irs-soi/soi-public-release-list.xlsx",
      "period": "Schedule reviewed September 21, 2026",
      "retrieved_at": "2026-09-21T19:06:48Z",
      "snapshot_sha256": "1ca9674f649fc9b02a78a9387fc83087a308ee9052adbba57176ca9502943972"
    }
  ]
}