{
  "schema_version": "0.1",
  "last_verified": "2026-09-11",
  "precision": "Records are anchored to U.S. Census Bureau geographic centroids, not parcel or street-address coordinates. A disclosed display offset separates overlapping Central Ohio markers; exact source centroids remain in place_centroids. Lewis Center is anchored to Orange Township because it is a mailing place rather than a current Census place; New Albany / Etna records use the New Albany city centroid until the locality conflict is resolved.",
  "boundary_source": {
    "title": "U.S. Census Bureau TIGERweb Generalized ACS 2025 county boundaries",
    "url": "https://tigerweb.geo.census.gov/arcgis/rest/services/Generalized_ACS2025/State_County/MapServer"
  },
  "centroid_source": {
    "title": "U.S. Census Bureau TIGERweb Current/ACS26 Ohio geography files",
    "url": "https://tigerweb.geo.census.gov/tigerwebmain/TIGERweb_state_based_files.html"
  },
  "aliases": {
    "New Albany / Etna": "New Albany",
    "Lewis Center": "Lewis Center / Orange Township"
  },
  "display_offsets": {
    "project:Columbus": {"x_percent": -2, "y_percent": 3},
    "project:New Albany": {"x_percent": 0, "y_percent": -4},
    "project:Heath": {"x_percent": 5, "y_percent": -4},
    "project:Hebron": {"x_percent": 5, "y_percent": 3},
    "project:Millersport": {"x_percent": 0, "y_percent": 7},
    "project:Lancaster": {"x_percent": -5, "y_percent": 5},
    "facility:Columbus": {"x_percent": 1, "y_percent": 3},
    "facility:New Albany": {"x_percent": 1, "y_percent": -4},
    "facility:Dublin": {"x_percent": -5, "y_percent": 0},
    "facility:Upper Arlington": {"x_percent": -2, "y_percent": 6},
    "facility:Lewis Center / Orange Township": {"x_percent": -1, "y_percent": -6},
    "facility:Johnstown": {"x_percent": 6, "y_percent": -6}
  },
  "place_centroids": {
    "New Albany": {"latitude": 40.0878375, "longitude": -82.7722735, "x_percent": 47.74, "y_percent": 51.89, "geography": "New Albany city"},
    "Columbus": {"latitude": 39.9867813, "longitude": -82.9849351, "x_percent": 43.06, "y_percent": 53.74, "geography": "Columbus city"},
    "Cleveland": {"latitude": 41.4792826, "longitude": -81.6802736, "x_percent": 71.77, "y_percent": 26.37, "geography": "Cleveland city"},
    "Cincinnati": {"latitude": 39.1412561, "longitude": -84.506026, "x_percent": 9.58, "y_percent": 69.25, "geography": "Cincinnati city"},
    "Van Wert": {"latitude": 40.8699498, "longitude": -84.5844147, "x_percent": 7.86, "y_percent": 37.55, "geography": "Van Wert city"},
    "Millersport": {"latitude": 39.9018029, "longitude": -82.5437088, "x_percent": 52.77, "y_percent": 55.30, "geography": "Millersport village"},
    "Hebron": {"latitude": 39.9644019, "longitude": -82.4898303, "x_percent": 53.95, "y_percent": 54.15, "geography": "Hebron village"},
    "Heath": {"latitude": 40.0224239, "longitude": -82.4451355, "x_percent": 54.94, "y_percent": 53.09, "geography": "Heath city"},
    "Bowling Green": {"latitude": 41.3785375, "longitude": -83.6483932, "x_percent": 28.46, "y_percent": 28.22, "geography": "Bowling Green city"},
    "Dublin": {"latitude": 40.1109413, "longitude": -83.1463041, "x_percent": 39.51, "y_percent": 51.47, "geography": "Dublin city"},
    "Johnstown": {"latitude": 40.1499258, "longitude": -82.6880591, "x_percent": 49.59, "y_percent": 50.75, "geography": "Johnstown city"},
    "Upper Arlington": {"latitude": 40.0271958, "longitude": -83.070379, "x_percent": 41.18, "y_percent": 53.00, "geography": "Upper Arlington city"},
    "Lebanon": {"latitude": 39.4253972, "longitude": -84.2141969, "x_percent": 16.00, "y_percent": 64.04, "geography": "Lebanon city"},
    "Lancaster": {"latitude": 39.7252996, "longitude": -82.606184, "x_percent": 51.39, "y_percent": 58.54, "geography": "Lancaster city"},
    "Akron": {"latitude": 41.0798399, "longitude": -81.52193, "x_percent": 75.26, "y_percent": 33.70, "geography": "Akron city"},
    "Canton": {"latitude": 40.8073762, "longitude": -81.3670346, "x_percent": 78.67, "y_percent": 38.69, "geography": "Canton city"},
    "West Chester Township": {"latitude": 39.335146, "longitude": -84.4147754, "x_percent": 11.59, "y_percent": 65.70, "geography": "West Chester township"},
    "Lewis Center / Orange Township": {"latitude": 40.1787347, "longitude": -82.9934059, "x_percent": 42.87, "y_percent": 50.22, "geography": "Orange township, Delaware County"},
    "Fayette County": {"latitude": 39.5598124, "longitude": -83.456083, "x_percent": 32.69, "y_percent": 61.58, "geography": "Fayette County"}
  }
}