{
  "generatedAt": "2026-07-26",
  "total": 2228,
  "firstYear": 1955,
  "lastYear": 2026,
  "byYear": {
    "1955": 1,
    "1957": 1,
    "1961": 1,
    "1965": 1,
    "1968": 2,
    "1969": 2,
    "1970": 3,
    "1971": 5,
    "1972": 1,
    "1973": 5,
    "1974": 2,
    "1975": 6,
    "1976": 11,
    "1977": 18,
    "1978": 3,
    "1979": 9,
    "1980": 13,
    "1981": 15,
    "1982": 11,
    "1983": 63,
    "1984": 14,
    "1985": 14,
    "1986": 13,
    "1987": 14,
    "1988": 5,
    "1989": 14,
    "1990": 18,
    "1991": 25,
    "1992": 29,
    "1993": 30,
    "1994": 38,
    "1995": 30,
    "1996": 35,
    "1997": 39,
    "1998": 56,
    "1999": 45,
    "2000": 59,
    "2001": 53,
    "2002": 57,
    "2003": 56,
    "2004": 45,
    "2005": 34,
    "2006": 36,
    "2007": 46,
    "2008": 49,
    "2009": 51,
    "2010": 51,
    "2011": 46,
    "2012": 29,
    "2013": 52,
    "2014": 115,
    "2015": 78,
    "2016": 68,
    "2017": 44,
    "2018": 48,
    "2019": 78,
    "2020": 59,
    "2021": 45,
    "2022": 91,
    "2023": 84,
    "2024": 92,
    "2025": 128,
    "2026": 42
  },
  "cumulative": {
    "1955": 1,
    "1956": 1,
    "1957": 2,
    "1958": 2,
    "1959": 2,
    "1960": 2,
    "1961": 3,
    "1962": 3,
    "1963": 3,
    "1964": 3,
    "1965": 4,
    "1966": 4,
    "1967": 4,
    "1968": 6,
    "1969": 8,
    "1970": 11,
    "1971": 16,
    "1972": 17,
    "1973": 22,
    "1974": 24,
    "1975": 30,
    "1976": 41,
    "1977": 59,
    "1978": 62,
    "1979": 71,
    "1980": 84,
    "1981": 99,
    "1982": 110,
    "1983": 173,
    "1984": 187,
    "1985": 201,
    "1986": 214,
    "1987": 228,
    "1988": 233,
    "1989": 247,
    "1990": 265,
    "1991": 290,
    "1992": 319,
    "1993": 349,
    "1994": 387,
    "1995": 417,
    "1996": 452,
    "1997": 491,
    "1998": 547,
    "1999": 592,
    "2000": 651,
    "2001": 704,
    "2002": 761,
    "2003": 817,
    "2004": 862,
    "2005": 896,
    "2006": 932,
    "2007": 978,
    "2008": 1027,
    "2009": 1078,
    "2010": 1129,
    "2011": 1175,
    "2012": 1204,
    "2013": 1256,
    "2014": 1371,
    "2015": 1449,
    "2016": 1517,
    "2017": 1561,
    "2018": 1609,
    "2019": 1687,
    "2020": 1746,
    "2021": 1791,
    "2022": 1882,
    "2023": 1966,
    "2024": 2058,
    "2025": 2186,
    "2026": 2228
  },
  "byState": {
    "CA": 259,
    "MI": 84,
    "MA": 53,
    "MD": 55,
    "OH": 92,
    "DC": 8,
    "IL": 105,
    "IN": 34,
    "MN": 52,
    "NJ": 97,
    "NY": 337,
    "TX": 185,
    "WV": 6,
    "PA": 98,
    "AL": 17,
    "SC": 18,
    "WA": 53,
    "CT": 42,
    "FL": 106,
    "IA": 14,
    "RI": 7,
    "VA": 60,
    "DE": 9,
    "LA": 18,
    "MO": 29,
    "WI": 16,
    "AZ": 28,
    "GA": 69,
    "KS": 18,
    "OK": 13,
    "CO": 26,
    "ID": 6,
    "KY": 19,
    "MS": 5,
    "NC": 63,
    "NH": 5,
    "NM": 8,
    "SD": 3,
    "TN": 24,
    "NV": 6,
    "OR": 21,
    "AK": 2,
    "AR": 10,
    "NE": 15,
    "UT": 12,
    "VT": 3,
    "ME": 7,
    "VI": 1,
    "MT": 2,
    "HI": 2,
    "WY": 2,
    "ND": 3,
    "MP": 1
  },
  "method": {
    "scanned": 1983563,
    "nameMatched": 2244,
    "excludedByName": 18,
    "noRulingDate": 1,
    "droppedByOverride": 1,
    "keptAfterHandCheck": 2,
    "droppedUnverifiedEarly": 0,
    "geocodedByZip": 2128,
    "geocodedByCity": 100,
    "droppedNoGeocode": 14
  },
  "sources": [
    {
      "id": "bmf",
      "title": "Exempt Organizations Business Master File Extract",
      "publisher": "Internal Revenue Service",
      "url": "https://www.irs.gov/charities-non-profits/exempt-organizations-business-master-file-extract-eo-bmf",
      "note": "Every congregation in the dataset is one row of this file, identified by its EIN. Any row can be re-checked at the IRS Tax Exempt Organization Search."
    },
    {
      "id": "teos",
      "title": "Tax Exempt Organization Search",
      "publisher": "Internal Revenue Service",
      "url": "https://apps.irs.gov/app/eos/",
      "note": "Look up any EIN in the dataset to confirm name, address and status."
    },
    {
      "id": "gazetteer",
      "title": "2024 Gazetteer Files — ZIP Code Tabulation Areas and Places",
      "publisher": "U.S. Census Bureau",
      "url": "https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html",
      "note": "Supplies the centroid each congregation is plotted at, from its registered ZIP code or, failing that, its city."
    },
    {
      "id": "bagby",
      "title": "The American Mosque 2020: Growing and Evolving",
      "publisher": "Institute for Social Policy and Understanding / Ihsan Bagby",
      "url": "https://www.ispu.org/the-american-mosque-2020/",
      "note": "Independent mosque census used as a scale check on this dataset, which counts IRS-recognized congregations rather than buildings."
    }
  ]
}