| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Nachusa | city | Illinois | United States | 41.83 | -89.39 | 830 | |
| Nameoki | city | Illinois | United States | 38.73 | -90.13 | 416 | |
| Naperville | city | Illinois | United States | 41.79 | -88.15 | 830 | |
| Napervillium | city | Illinois | United States | 41.79 | -88.15 | 830 | |
| Naplate | city | Illinois | United States | 41.33 | -88.88 | 830 | |
| Naples | city | Illinois | United States | 39.76 | -90.61 | 830 | |
| Narita | city | Illinois | United States | 39.98 | -89.22 | 830 | |
| Nashville | city | Illinois | United States | 38.34 | -89.38 | 830 | |
| Nason | city | Illinois | United States | 38.18 | -88.97 | 830 | |
| National City | city | Illinois | United States | 38.65 | -90.16 | 393 | |
| Native Prairie | city | Illinois | United States | 41.88 | -88.43 | 830 | |
| Natrona | city | Illinois | United States | 40.27 | -89.63 | 830 | |
| Nauvoo | city | Illinois | United States | 40.55 | -91.38 | 830 | |
| Neadmore | city | Illinois | United States | 39.25 | -87.86 | 830 | |
| Neal | city | Illinois | United States | 39.30 | -88.34 | 830 | |
| Near North Side | city | Illinois | United States | 41.90 | -87.63 | 830 | |
| Near South Side | city | Illinois | United States | 41.86 | -87.62 | 830 | |
| Near West Side | city | Illinois | United States | 41.88 | -87.67 | 830 | |
| Nearwest Side | city | Illinois | United States | 41.88 | -87.67 | 830 | |
| Nebo | city | Illinois | United States | 39.44 | -90.79 | 830 | |
| Neilson | city | Illinois | United States | 37.63 | -88.96 | 830 | |
| Nekoma | city | Illinois | United States | 41.17 | -90.19 | 830 | |
| Nelson | city | Illinois | United States | 41.80 | -89.60 | 830 | |
| Neoga | city | Illinois | United States | 39.32 | -88.45 | 830 | |
| Neponset | city | Illinois | United States | 41.30 | -89.79 | 830 | |
| Nettle Creek | city | Illinois | United States | 41.44 | -88.58 | 830 | |
| Neunert | city | Illinois | United States | 37.72 | -89.55 | 357 | |
| Nevada | city | Illinois | United States | 41.09 | -88.55 | 830 | |
| Nevins | city | Illinois | United States | 39.53 | -87.64 | 830 | |
| New Athens | city | Illinois | United States | 38.33 | -89.88 | 413 | |
| New Athens (historical) | city | Illinois | United States | 39.65 | -87.95 | 830 | |
| New Auburn | city | Illinois | United States | 41.75 | -87.65 | 830 | |
| New Baden | city | Illinois | United States | 38.54 | -89.70 | 830 | |
| New Bedford | city | Illinois | United States | 41.51 | -89.72 | 830 | |
| New Berlin | city | Illinois | United States | 39.73 | -89.91 | 830 | |
| New Boston | city | Illinois | United States | 41.17 | -91.00 | 830 | |
| New Burnside | city | Illinois | United States | 37.58 | -88.77 | 830 | |
| New Canton | city | Illinois | United States | 39.64 | -91.10 | 830 | |
| New Castle (historical) | city | Illinois | United States | 40.58 | -89.36 | 830 | |
| New City | city | Illinois | United States | 41.81 | -87.66 | 830 | |
| New City | city | Illinois | United States | 39.67 | -89.54 | 830 | |
| New Columbia | city | Illinois | United States | 37.31 | -88.78 | 830 | |
| New Delhi | city | Illinois | United States | 39.03 | -90.26 | 830 | |
| New Dennison | city | Illinois | United States | 37.69 | -88.86 | 830 | |
| New Douglas | city | Illinois | United States | 38.97 | -89.67 | 830 | |
| New Grand Chain | city | Illinois | United States | 37.25 | -89.02 | 367 | |
| New Hanover | city | Illinois | United States | 38.39 | -90.23 | 830 | |
| New Hartford | city | Illinois | United States | 39.58 | -90.91 | 830 | |
| New Haven | city | Illinois | United States | 37.91 | -88.13 | 410 | |
| New Hebron | city | Illinois | United States | 38.95 | -87.74 | 830 | |
| New Holland | city | Illinois | United States | 40.18 | -89.58 | 830 | |
| New Hope | city | Illinois | United States | 37.79 | -88.69 | 830 | |
| New Hope (historical) | city | Illinois | United States | 38.42 | -87.96 | 380 | |
| New Lancaster (historical) | city | Illinois | United States | 40.76 | -90.73 | 830 | |
| New Lebanon | city | Illinois | United States | 42.10 | -88.60 | 839 | |
| New Lenox | city | Illinois | United States | 41.51 | -87.97 | 830 | |
| New Liberty | city | Illinois | United States | 37.12 | -88.45 | 331 | |
| New London (historical) | city | Illinois | United States | 38.17 | -88.41 | 400 | |
| New Market (historical) | city | Illinois | United States | 37.79 | -88.24 | 380 | |
| New Massillon (historical) | city | Illinois | United States | 38.44 | -88.20 | 400 | |
| New Memphis | city | Illinois | United States | 38.48 | -89.68 | 410 | |
| New Memphis Station | city | Illinois | United States | 38.46 | -89.68 | 830 | |
| New Michigan (historical) | city | Illinois | United States | 41.06 | -88.74 | 830 | |
| New Milford | city | Illinois | United States | 42.19 | -89.07 | 830 | |
| New Minden | city | Illinois | United States | 38.44 | -89.37 | 830 | |
| New Palestine | city | Illinois | United States | 38.00 | -89.82 | 830 | |
| New Patch | city | Illinois | United States | 41.82 | -87.66 | 830 | |
| New Philadelphia | city | Illinois | United States | 40.49 | -90.47 | 830 | |
| New Philadelphia | city | Illinois | United States | 39.69 | -90.96 | 830 | |
| New Salem | city | Illinois | United States | 39.71 | -90.85 | 830 | |
| New Salem (historical) | city | Illinois | United States | 39.98 | -89.84 | 830 | |
| New Windsor | city | Illinois | United States | 41.20 | -90.44 | 830 | |
| Newark | city | Illinois | United States | 41.54 | -88.58 | 830 | |
| Newbern | city | Illinois | United States | 39.01 | -90.34 | 830 | |
| Newburg | city | Illinois | United States | 39.98 | -88.80 | 830 | |
| Newby | city | Illinois | United States | 39.44 | -88.32 | 830 | |
| Newcastle | city | Illinois | United States | 37.65 | -88.67 | 400 | |
| Newell | city | Illinois | United States | 40.16 | -87.58 | 830 | |
| Newman | city | Illinois | United States | 39.80 | -87.99 | 830 | |
| Newmansville | city | Illinois | United States | 40.00 | -90.01 | 830 | |
| Newport | city | Illinois | United States | 38.68 | -90.18 | 406 | |
| Newton | city | Illinois | United States | 38.99 | -88.16 | 830 | |
| Newton Corners | city | Illinois | United States | 41.74 | -90.12 | 830 | |
| Newtown | city | Illinois | United States | 40.17 | -87.77 | 830 | |
| Nešvilis | city | Illinois | United States | 38.34 | -89.38 | 830 | |
| Niantic | city | Illinois | United States | 39.85 | -89.17 | 830 | |
| Niles | city | Illinois | United States | 42.02 | -87.80 | 830 | |
| Nilwood | city | Illinois | United States | 39.40 | -89.81 | 830 | |
| Niota | city | Illinois | United States | 40.62 | -91.29 | 830 | |
| Nipper Corner | city | Illinois | United States | 38.04 | -88.47 | 387 | |
| Nir Saut Sajd | city | Illinois | United States | 41.86 | -87.62 | 830 | |
| Noble | city | Illinois | United States | 38.70 | -88.22 | 830 | |
| Nokomis | city | Illinois | United States | 39.30 | -89.29 | 830 | |
| Noltings | city | Illinois | United States | 38.49 | -89.20 | 830 | |
| Nora | city | Illinois | United States | 42.46 | -89.95 | 994 | |
| Norma | city | Illinois | United States | 42.04 | -87.91 | 830 | |
| Normal | city | Illinois | United States | 40.51 | -88.99 | 830 | |
| Normandy | city | Illinois | United States | 41.56 | -89.65 | 830 | |
| Normandy Heights | city | Illinois | United States | 42.23 | -89.06 | 830 | |
| Normandy Hill | city | Illinois | United States | 42.14 | -87.88 | 830 | |
| Normantown | city | Illinois | United States | 41.65 | -88.23 | 830 | |
| Norridge | city | Illinois | United States | 41.96 | -87.83 | 830 | |
| Norris | city | Illinois | United States | 40.63 | -90.03 | 830 | |
| Norris City | city | Illinois | United States | 37.98 | -88.33 | 830 | |
| North Alton | city | Illinois | United States | 38.92 | -90.20 | 830 | |
| North Aurora | city | Illinois | United States | 41.81 | -88.33 | 830 | |
| North Barrington | city | Illinois | United States | 42.21 | -88.14 | 830 | |
| North Caledonia (historical) | city | Illinois | United States | 42.37 | -88.89 | 948 | |
| North Center | city | Illinois | United States | 41.95 | -87.68 | 830 | |
| North Chicago | city | Illinois | United States | 42.33 | -87.84 | 830 | |
| North Chillicothe | city | Illinois | United States | 40.93 | -89.50 | 830 | |
| North Dupo | city | Illinois | United States | 38.55 | -90.20 | 400 | |
| North Edgewater | city | Illinois | United States | 41.99 | -87.66 | 830 | |
| North Englewood | city | Illinois | United States | 41.75 | -87.64 | 830 | |
| North Evanston | city | Illinois | United States | 42.06 | -87.70 | 830 | |
| North Glen Ellyn | city | Illinois | United States | 41.89 | -88.06 | 830 | |
| North Hampton | city | Illinois | United States | 40.93 | -89.54 | 830 | |
| North Hanover | city | Illinois | United States | 42.29 | -90.28 | 830 | |
| North Harbor | city | Illinois | United States | 38.73 | -89.29 | 830 | |
| North Harvey | city | Illinois | United States | 41.63 | -87.64 | 830 | |
| North Henderson | city | Illinois | United States | 41.09 | -90.48 | 830 | |
| North Hooper | city | Illinois | United States | 40.95 | -87.61 | 830 | |
| North Lawndale | city | Illinois | United States | 41.86 | -87.72 | 830 | |
| North Mounds | city | Illinois | United States | 37.12 | -89.20 | 370 | |
| North Northfield | city | Illinois | United States | 42.14 | -87.88 | 830 | |
| North Park | city | Illinois | United States | 41.98 | -87.72 | 830 | |
| North Park | city | Illinois | United States | 42.34 | -89.05 | 830 | |
| North Pekin | city | Illinois | United States | 40.62 | -89.62 | 830 | |
| North Peoria | city | Illinois | United States | 40.72 | -89.58 | 830 | |
| North Plato | city | Illinois | United States | 42.06 | -88.46 | 958 | |
| North Pointe | city | Illinois | United States | 40.51 | -88.94 | 830 | |
| North Prairie Acres | city | Illinois | United States | 39.81 | -88.27 | 830 | |
| North Pullman | city | Illinois | United States | 41.70 | -87.61 | 830 | |
| North Quincy | city | Illinois | United States | 39.97 | -91.40 | 830 | |
| North Riverside | city | Illinois | United States | 41.84 | -87.82 | 830 | |
| North Shore | city | Illinois | United States | 42.24 | -88.36 | 885 | |
| North Shoreline | city | Illinois | United States | 37.61 | -88.92 | 830 | |
| North Venice | city | Illinois | United States | 38.68 | -90.17 | 406 | |
| North Wind | city | Illinois | United States | 39.93 | -89.67 | 830 | |
| Northbrook | city | Illinois | United States | 39.96 | -91.38 | 830 | |
| Northbrook | city | Illinois | United States | 42.13 | -87.83 | 830 | |
| Northbrook Acres | city | Illinois | United States | 42.11 | -87.83 | 830 | |
| Northbrook Colonial Estates | city | Illinois | United States | 42.13 | -87.82 | 830 | |
| Northbrook East | city | Illinois | United States | 42.13 | -87.79 | 830 | |
| Northbrook Estates | city | Illinois | United States | 42.14 | -87.83 | 830 | |
| Northbrook Gardens | city | Illinois | United States | 42.13 | -87.84 | 830 | |
| Northbrook Glen | city | Illinois | United States | 42.13 | -87.81 | 830 | |
| Northbrook Greens | city | Illinois | United States | 42.11 | -87.81 | 830 | |
| Northbrook Heights | city | Illinois | United States | 42.13 | -87.81 | 830 | |
| Northbrook Highlands | city | Illinois | United States | 42.13 | -87.84 | 830 | |
| Northbrook Manor | city | Illinois | United States | 42.13 | -87.83 | 830 | |
| Northbrook Mews | city | Illinois | United States | 42.14 | -87.85 | 830 | |
| Northbrook Oaks | city | Illinois | United States | 42.13 | -87.82 | 830 | |
| Northbrook Park | city | Illinois | United States | 42.12 | -87.84 | 830 | |
| Northbrook Villa | city | Illinois | United States | 42.13 | -87.82 | 830 | |
| Northbrook West | city | Illinois | United States | 42.12 | -87.87 | 830 | |
| Northfield | city | Illinois | United States | 42.10 | -87.78 | 830 | |
| Northfield | city | Illinois | United States | 41.53 | -88.15 | 830 | |
| Northfield Acres | city | Illinois | United States | 42.13 | -87.84 | 830 | |
| Northfield Woods | city | Illinois | United States | 42.09 | -87.88 | 830 | |
| Northgate | city | Illinois | United States | 39.81 | -88.28 | 830 | |
| Northgate Estates | city | Illinois | United States | 42.49 | -89.06 | 830 | |
| Northlake | city | Illinois | United States | 41.92 | -87.90 | 830 | |
| Northmeadow Village Trailer Park | city | Illinois | United States | 40.54 | -89.00 | 830 | |
| Northridge | city | Illinois | United States | 39.96 | -91.40 | 830 | |
| Northville | city | Illinois | United States | 41.56 | -88.71 | 830 | |
| Northway | city | Illinois | United States | 42.12 | -87.86 | 830 | |
| Northwood Edens | city | Illinois | United States | 42.14 | -87.79 | 830 | |
| Nortonville | city | Illinois | United States | 39.56 | -90.14 | 830 | |
| Norway | city | Illinois | United States | 41.47 | -88.66 | 830 | |
| Norwood | city | Illinois | United States | 40.71 | -89.70 | 830 | |
| Norwood | city | Illinois | United States | 41.09 | -90.64 | 830 | |
| Notre Dame | city | Illinois | United States | 38.56 | -90.04 | 830 | |
| Nottingham Manor | city | Illinois | United States | 42.33 | -89.12 | 846 | |
| Nottingham Ridge | city | Illinois | United States | 41.63 | -88.09 | 830 | |
| Nottingham Woods | city | Illinois | United States | 41.83 | -88.47 | 830 | |
| Novak Park | city | Illinois | United States | 41.96 | -88.32 | 830 | |
| Nutwood | city | Illinois | United States | 39.08 | -90.56 | 830 |