{"_note":"Preset downtown outlines. Built Oct 9, 2026 from CMAP's Land Use Inventory 2023 (https://www.arcgis.com/home/item.html?id=1022fd982a5b4b51a9cecb20ea6c2a29): land coded as storefront 'urban mix' commercial (1215), urban mix with residential (1216), regional commercial (1212), office (1220), cultural/entertainment (1240) or hotel (1250), starting within 200 m of the town's main shopping corner and growing across gaps of up to 60 m (110 m within 350 m of the corner, to cross tracks and wide streets), no farther than 700 m from the corner. Malls (1211) and big-box stores (1214) are excluded. Pieces under 0.3 ha are dropped. These are starting points; anyone can redraw.","source":"CMAP Land Use Inventory 2023","towns":{
"Northbrook":{"areaHa":14.3,"landUseCodes":"1212,1215,1216,1220","rings":[[[-87.82933,42.13113],[-87.82832,42.12867],[-87.82851,42.12841],[-87.82915,42.12838],[-87.82889,42.1277],[-87.82864,42.12758],[-87.82859,42.12738],[-87.82819,42.12738],[-87.82812,42.1277],[-87.8276,42.12781],[-87.82725,42.1277],[-87.82709,42.12746],[-87.82682,42.12746],[-87.82738,42.12852],[-87.82563,42.12981],[-87.82601,42.1299],[-87.82616,42.13007],[-87.82598,42.13102],[-87.82552,42.1311],[-87.82484,42.13053],[-87.82417,42.13117],[-87.82134,42.13316],[-87.82201,42.13398],[-87.82242,42.13382],[-87.8222,42.1334],[-87.82256,42.13315],[-87.82254,42.13294],[-87.82273,42.13278],[-87.82317,42.13266],[-87.82665,42.13264],[-87.82661,42.13163],[-87.82674,42.13144],[-87.82795,42.13143]]]},
"Glencoe":{"areaHa":4.3,"landUseCodes":"1215,1216,1220,1240","rings":[[[-87.76104,42.13413],[-87.76074,42.13378],[-87.7604,42.1337],[-87.75971,42.13293],[-87.75928,42.13282],[-87.75919,42.13261],[-87.75932,42.13242],[-87.75892,42.13195],[-87.75826,42.13225],[-87.75817,42.13252],[-87.75765,42.13277],[-87.75861,42.13386],[-87.7586,42.13412],[-87.75883,42.13441],[-87.75879,42.13466],[-87.75833,42.1349],[-87.75857,42.13519]]]},
"Highwood":{"areaHa":16,"landUseCodes":"1215,1216,1220,1240","rings":[[[-87.81347,42.20739],[-87.81327,42.20712],[-87.81277,42.20703],[-87.81245,42.20661],[-87.81212,42.20644],[-87.81215,42.20619],[-87.81251,42.20592],[-87.8131,42.20599],[-87.81311,42.20553],[-87.81257,42.20583],[-87.81224,42.20582],[-87.81148,42.20487],[-87.81134,42.20427],[-87.81188,42.20412],[-87.81209,42.20391],[-87.81188,42.20376],[-87.81184,42.20346],[-87.81151,42.20343],[-87.81132,42.20327],[-87.81131,42.2026],[-87.81091,42.20253],[-87.81067,42.20223],[-87.8107,42.20202],[-87.81097,42.20188],[-87.81091,42.20161],[-87.81042,42.20142],[-87.81024,42.2005],[-87.80985,42.20049],[-87.80942,42.2003],[-87.80927,42.19978],[-87.80928,42.1992],[-87.80845,42.19922],[-87.8082,42.19904],[-87.80828,42.19871],[-87.80793,42.19884],[-87.80804,42.19906],[-87.80832,42.19919],[-87.80836,42.1994],[-87.80806,42.19963],[-87.80775,42.19956],[-87.80757,42.19934],[-87.80728,42.19952],[-87.80776,42.20031],[-87.80761,42.20052],[-87.80685,42.2008],[-87.80701,42.2011],[-87.80682,42.20132],[-87.80707,42.20161],[-87.8072,42.20202],[-87.80692,42.2023],[-87.80692,42.20262],[-87.80801,42.20264],[-87.8083,42.20291],[-87.80871,42.20296],[-87.80888,42.20328],[-87.80872,42.20346],[-87.8084,42.20354],[-87.80839,42.20399],[-87.80901,42.20379],[-87.80936,42.20402],[-87.80952,42.20477],[-87.80917,42.20501],[-87.80879,42.20485],[-87.80843,42.20487],[-87.80843,42.20535],[-87.80924,42.20514],[-87.81013,42.2054],[-87.81032,42.20569],[-87.81095,42.2057],[-87.81205,42.20738]]]},
"Highland Park":{"areaHa":26.2,"landUseCodes":"1212,1215,1216,1220,1240","rings":[[[-87.80581,42.18519],[-87.80492,42.18375],[-87.80506,42.1835],[-87.80579,42.18324],[-87.80549,42.18277],[-87.80383,42.18335],[-87.80415,42.18402],[-87.80355,42.18431],[-87.80321,42.18418],[-87.80256,42.18316],[-87.80156,42.18351],[-87.80116,42.18381],[-87.80079,42.18379],[-87.80022,42.18396],[-87.79996,42.18389],[-87.79974,42.18361],[-87.7994,42.1837],[-87.79914,42.18364],[-87.7987,42.183],[-87.79824,42.18317],[-87.79968,42.18543],[-87.79965,42.18565],[-87.79933,42.18583],[-87.79987,42.18669],[-87.80025,42.18661],[-87.80049,42.18671],[-87.80109,42.18766],[-87.80089,42.18807],[-87.80026,42.18815],[-87.80048,42.1885],[-87.80048,42.18903],[-87.80083,42.18903],[-87.8006,42.18865],[-87.80072,42.18837],[-87.80103,42.18831],[-87.80126,42.18841],[-87.80339,42.19175],[-87.80343,42.19064],[-87.8037,42.19048],[-87.80429,42.19047],[-87.80429,42.19037],[-87.804,42.19031],[-87.80384,42.19001],[-87.80347,42.18988],[-87.80342,42.18938],[-87.80318,42.189],[-87.80322,42.18881],[-87.80343,42.18866],[-87.8034,42.18713],[-87.80233,42.18738],[-87.80205,42.18723],[-87.802,42.18696],[-87.80287,42.18643],[-87.80271,42.18597],[-87.80356,42.18562],[-87.80373,42.18522]],[[-87.79989,42.18806],[-87.79779,42.18478],[-87.79696,42.18507],[-87.79718,42.18543],[-87.79714,42.18563],[-87.79639,42.18594],[-87.79674,42.18648],[-87.79669,42.18675],[-87.79741,42.18769],[-87.79733,42.18794],[-87.79703,42.18807],[-87.79728,42.18844],[-87.79769,42.1883],[-87.79776,42.18757],[-87.79828,42.18738],[-87.79872,42.18756],[-87.79896,42.18886],[-87.79939,42.18887],[-87.7992,42.18838]]]},
"Deerfield":{"areaHa":14.9,"landUseCodes":"1212,1215,1216,1220","rings":[[[-87.8493,42.16722],[-87.84848,42.16483],[-87.84486,42.1648],[-87.8446,42.16464],[-87.84458,42.16417],[-87.84397,42.16417],[-87.84422,42.16463],[-87.84373,42.16495],[-87.84422,42.16572],[-87.84384,42.16596],[-87.8438,42.16639],[-87.84306,42.16667],[-87.84305,42.16718],[-87.84373,42.1672],[-87.84399,42.16737],[-87.84396,42.16826],[-87.84518,42.16854],[-87.84528,42.16917],[-87.84563,42.16917],[-87.8456,42.16882],[-87.84599,42.16864],[-87.84591,42.1681],[-87.84643,42.16793],[-87.84645,42.16742],[-87.84661,42.16725],[-87.84761,42.16723],[-87.84781,42.16743],[-87.8478,42.16794],[-87.84834,42.16795],[-87.84848,42.16729]]]},
"Glenview":{"areaHa":15.9,"landUseCodes":"1215,1216,1220,1240","rings":[[[-87.80539,42.07293],[-87.80495,42.07294],[-87.80466,42.07308],[-87.80439,42.07302],[-87.80367,42.07172],[-87.8016,42.07177],[-87.80072,42.07164],[-87.80058,42.07122],[-87.80082,42.07097],[-87.80083,42.07049],[-87.80005,42.07049],[-87.80007,42.07165],[-87.79996,42.07187],[-87.79963,42.07205],[-87.79925,42.07201],[-87.79863,42.07135],[-87.798,42.07135],[-87.79796,42.07262],[-87.79815,42.07285],[-87.79799,42.0764],[-87.7986,42.07643],[-87.79881,42.07663],[-87.7987,42.07885],[-87.79919,42.07886],[-87.79945,42.07642],[-87.7987,42.07639],[-87.7985,42.07623],[-87.79849,42.07606],[-87.79873,42.07587],[-87.7994,42.07586],[-87.79965,42.07443],[-87.79995,42.07426],[-87.80061,42.07425],[-87.80058,42.07295],[-87.79985,42.07284],[-87.79985,42.07227],[-87.80046,42.07215],[-87.80129,42.07268],[-87.80222,42.07273],[-87.80237,42.0729],[-87.80237,42.07341],[-87.80369,42.07341],[-87.80401,42.07354],[-87.80497,42.07343],[-87.80521,42.07352],[-87.80536,42.07377]],[[-87.80668,42.07176],[-87.80572,42.07174],[-87.80569,42.07272],[-87.80666,42.07272]],[[-87.80497,42.07414],[-87.80458,42.07413],[-87.80469,42.07515],[-87.80534,42.07515],[-87.80535,42.07485]]]},
"Winnetka":{"areaHa":7.1,"landUseCodes":"1215,1216,1220","rings":[[[-87.7365,42.10716],[-87.7361,42.10693],[-87.7361,42.10593],[-87.73537,42.10591],[-87.73511,42.10575],[-87.7351,42.10387],[-87.73441,42.10387],[-87.73438,42.1052],[-87.7342,42.10541],[-87.73386,42.10545],[-87.73392,42.1059],[-87.73571,42.10817],[-87.7363,42.10817],[-87.73631,42.10785],[-87.73649,42.10766]],[[-87.73356,42.10688],[-87.7329,42.10602],[-87.73239,42.10591],[-87.73196,42.10521],[-87.73116,42.1052],[-87.73115,42.10577],[-87.73146,42.10593],[-87.73149,42.10627],[-87.73189,42.10649],[-87.73189,42.10723],[-87.73318,42.10725],[-87.73324,42.107]],[[-87.73106,42.10411],[-87.73092,42.10396],[-87.73031,42.10395],[-87.73034,42.10446],[-87.73105,42.10447]]]},
"Lake Forest":{"areaHa":14.9,"landUseCodes":"1215,1216,1220,1240,1250","rings":[[[-87.84276,42.25071],[-87.84259,42.25017],[-87.84237,42.25002],[-87.84225,42.24964],[-87.84184,42.24989],[-87.84141,42.24988],[-87.84116,42.2497],[-87.84106,42.24928],[-87.84082,42.24913],[-87.8404,42.24918],[-87.84016,42.24907],[-87.83981,42.24801],[-87.83886,42.24817],[-87.84005,42.25211],[-87.84048,42.25231],[-87.84045,42.25252],[-87.84021,42.25267],[-87.84165,42.25743],[-87.84216,42.2572],[-87.84221,42.25405],[-87.84235,42.25386],[-87.84272,42.25381],[-87.84272,42.25256],[-87.84174,42.25247],[-87.84137,42.25115],[-87.84158,42.25095]],[[-87.8386,42.25099],[-87.8384,42.2503],[-87.8376,42.25035],[-87.83687,42.25011],[-87.83687,42.25087],[-87.83755,42.25091],[-87.83777,42.25112]],[[-87.83911,42.25268],[-87.83899,42.25227],[-87.83805,42.25259],[-87.83813,42.25286]]]},
"Wilmette":{"areaHa":13.4,"landUseCodes":"1215,1216,1220,1240","rings":[[[-87.70932,42.0782],[-87.70813,42.07678],[-87.70716,42.07676],[-87.70693,42.07665],[-87.70689,42.0764],[-87.70749,42.07567],[-87.70664,42.07467],[-87.70531,42.07465],[-87.7052,42.07521],[-87.70496,42.07538],[-87.70495,42.07756],[-87.70578,42.07774],[-87.70663,42.0777],[-87.70682,42.07787],[-87.70684,42.07824],[-87.70757,42.07825],[-87.70764,42.07789],[-87.70795,42.07777],[-87.7086,42.07779],[-87.70906,42.07823]],[[-87.70981,42.07599],[-87.70945,42.07557],[-87.70898,42.0755],[-87.70894,42.07522],[-87.70872,42.07493],[-87.70878,42.07469],[-87.70653,42.07212],[-87.70551,42.07211],[-87.70836,42.07551],[-87.70869,42.07562],[-87.70871,42.07593],[-87.70905,42.07634]],[[-87.71218,42.07884],[-87.71028,42.07655],[-87.70953,42.0769],[-87.71176,42.0796],[-87.71186,42.0796],[-87.71189,42.079]]]},
"Naperville":{"areaHa":31.1,"landUseCodes":"1215,1216,1220,1240","rings":[[[-88.15088,41.77001],[-88.14929,41.76997],[-88.14904,41.7698],[-88.14933,41.76619],[-88.14893,41.76618],[-88.14878,41.76739],[-88.1486,41.7676],[-88.1463,41.76747],[-88.14633,41.76815],[-88.14664,41.76863],[-88.14722,41.76878],[-88.14762,41.76994],[-88.14827,41.76997],[-88.14848,41.77018],[-88.14845,41.77069],[-88.14804,41.77097],[-88.14717,41.77082],[-88.14702,41.7704],[-88.14648,41.77044],[-88.14651,41.77087],[-88.14634,41.77106],[-88.14637,41.77154],[-88.14717,41.7716],[-88.14723,41.77225],[-88.14701,41.77244],[-88.14658,41.77245],[-88.14656,41.77277],[-88.1464,41.77294],[-88.1454,41.77297],[-88.14537,41.77337],[-88.14582,41.77349],[-88.14587,41.77398],[-88.14606,41.77398],[-88.14611,41.77361],[-88.14624,41.77348],[-88.14681,41.77344],[-88.14711,41.77357],[-88.14715,41.77391],[-88.14765,41.77393],[-88.14791,41.7741],[-88.1478,41.77457],[-88.14712,41.77463],[-88.14723,41.775],[-88.14708,41.7752],[-88.14699,41.7768],[-88.14712,41.777],[-88.14696,41.77726],[-88.14693,41.77831],[-88.1468,41.77855],[-88.14633,41.77862],[-88.14633,41.77874],[-88.14684,41.77876],[-88.14714,41.77851],[-88.1476,41.77855],[-88.14774,41.77873],[-88.14772,41.7795],[-88.14892,41.77945],[-88.14896,41.77841],[-88.14777,41.77837],[-88.1475,41.77815],[-88.14756,41.77719],[-88.14783,41.77704],[-88.14833,41.77704],[-88.14836,41.7765],[-88.14822,41.77616],[-88.14844,41.77571],[-88.14882,41.7756],[-88.1489,41.77517],[-88.14933,41.77506],[-88.14938,41.77477],[-88.14958,41.77463],[-88.15227,41.77469],[-88.15229,41.77424],[-88.15027,41.77413],[-88.15012,41.7739],[-88.15028,41.77359],[-88.15231,41.7736],[-88.15282,41.77349],[-88.15283,41.77316],[-88.15125,41.77304],[-88.15115,41.77284],[-88.15119,41.77202],[-88.15042,41.77206],[-88.14972,41.77195],[-88.14953,41.7718],[-88.14953,41.7714],[-88.14939,41.77115],[-88.14969,41.7709],[-88.15008,41.77101],[-88.15014,41.77132],[-88.15104,41.77143],[-88.15108,41.77109],[-88.15124,41.77095],[-88.15126,41.7705],[-88.15093,41.77037]],[[-88.15489,41.76881],[-88.15332,41.7681],[-88.15162,41.76806],[-88.15154,41.76984],[-88.15319,41.76985]]]}}}