| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Nahant | city | Iowa | United States | 41.49 | -90.64 | 830 | |
| Nanito | city | Iowa | United States | 41.32 | -94.29 | 1200 | |
| Nansen | city | Iowa | United States | 43.11 | -92.24 | 1253 | |
| Napier | city | Iowa | United States | 41.98 | -93.72 | 1040 | |
| Nashua | city | Iowa | United States | 42.95 | -92.54 | 961 | |
| Nashville | city | Iowa | United States | 42.06 | -90.78 | 830 | |
| Nasset | city | Iowa | United States | 43.28 | -91.67 | 1000 | |
| Navan | city | Iowa | United States | 43.10 | -92.06 | 1059 | |
| Nemaha | city | Iowa | United States | 42.52 | -95.09 | 1669 | |
| Neola | city | Iowa | United States | 41.45 | -95.62 | 1092 | |
| Neptune | city | Iowa | United States | 42.66 | -96.16 | 1669 | |
| Neska | city | Iowa | United States | 41.41 | -92.51 | 849 | |
| Nevada | city | Iowa | United States | 42.02 | -93.45 | 997 | |
| Nevinville | city | Iowa | United States | 41.15 | -94.50 | 1669 | |
| New Albin | city | Iowa | United States | 43.50 | -91.29 | 830 | |
| New Albion | city | Iowa | United States | 42.64 | -92.73 | 951 | |
| New Boston | city | Iowa | United States | 40.56 | -91.51 | 830 | |
| New Buda | city | Iowa | United States | 40.60 | -93.81 | 895 | |
| New Buffalo | city | Iowa | United States | 42.03 | -91.70 | 849 | |
| New Dixon | city | Iowa | United States | 41.73 | -90.77 | 830 | |
| New Era | city | Iowa | United States | 41.47 | -90.89 | 830 | |
| New Hampton | city | Iowa | United States | 43.06 | -92.32 | 1151 | |
| New Hartford | city | Iowa | United States | 42.57 | -92.62 | 898 | |
| New Haven | city | Iowa | United States | 43.28 | -92.64 | 1128 | |
| New Liberty | city | Iowa | United States | 41.72 | -90.88 | 830 | |
| New London | city | Iowa | United States | 40.93 | -91.40 | 830 | |
| New Market | city | Iowa | United States | 40.73 | -94.90 | 1217 | |
| New Providence | city | Iowa | United States | 42.28 | -93.17 | 1115 | |
| New Sharon | city | Iowa | United States | 41.47 | -92.65 | 905 | |
| New Vienna | city | Iowa | United States | 42.55 | -91.11 | 1000 | |
| New Virginia | city | Iowa | United States | 41.18 | -93.73 | 1072 | |
| New York | city | Iowa | United States | 40.85 | -93.26 | 1026 | |
| Newbern | city | Iowa | United States | 41.16 | -93.31 | 1003 | |
| Newburg | city | Iowa | United States | 41.82 | -92.77 | 1017 | |
| Newell | city | Iowa | United States | 42.61 | -95.00 | 1249 | |
| Newhall | city | Iowa | United States | 42.00 | -91.97 | 902 | |
| Newkirk | city | Iowa | United States | 43.07 | -95.98 | 1669 | |
| Newport | city | Iowa | United States | 42.05 | -91.20 | 843 | |
| Newport | city | Iowa | United States | 41.09 | -91.18 | 830 | |
| Newport | city | Iowa | United States | 41.74 | -91.47 | 849 | |
| Newton | city | Iowa | United States | 41.70 | -93.05 | 954 | |
| Newtown (historical) | city | Iowa | United States | 41.45 | -95.34 | 1669 | |
| Nichols | city | Iowa | United States | 41.48 | -91.31 | 830 | |
| Nilesville | city | Iowa | United States | 43.14 | -92.61 | 1099 | |
| Nira | city | Iowa | United States | 41.45 | -91.93 | 830 | |
| Nishna | city | Iowa | United States | 41.70 | -94.92 | 1669 | |
| Noble | city | Iowa | United States | 41.17 | -91.62 | 830 | |
| Nodaway | city | Iowa | United States | 40.94 | -94.89 | 1148 | |
| Noel (historical) | city | Iowa | United States | 41.75 | -90.59 | 830 | |
| Nora Junction | city | Iowa | United States | 43.14 | -93.02 | 1059 | |
| Nora Springs | city | Iowa | United States | 43.14 | -93.00 | 1040 | |
| Nordness | city | Iowa | United States | 43.23 | -91.77 | 1082 | |
| Norman (historical) | city | Iowa | United States | 43.49 | -93.50 | 1669 | |
| Norris Siding | city | Iowa | United States | 42.55 | -92.48 | 898 | |
| North American Trailer Park | city | Iowa | United States | 41.34 | -93.56 | 839 | |
| North Bellevue | city | Iowa | United States | 42.28 | -90.43 | 830 | |
| North Branch | city | Iowa | United States | 41.65 | -94.72 | 1669 | |
| North Buena Vista | city | Iowa | United States | 42.68 | -90.96 | 830 | |
| North Cedar | city | Iowa | United States | 42.55 | -92.46 | 856 | |
| North English | city | Iowa | United States | 41.51 | -92.08 | 830 | |
| North Liberty | city | Iowa | United States | 41.75 | -91.60 | 830 | |
| North Street Mobile Home Park | city | Iowa | United States | 42.48 | -92.06 | 974 | |
| North Washington | city | Iowa | United States | 43.12 | -92.42 | 1128 | |
| North Welton | city | Iowa | United States | 41.91 | -90.60 | 830 | |
| Northboro | city | Iowa | United States | 40.61 | -95.29 | 1082 | |
| Northend Mobile Home Park | city | Iowa | United States | 42.55 | -90.69 | 830 | |
| Northfield | city | Iowa | United States | 41.06 | -91.12 | 830 | |
| Northwind Mobile Home Park | city | Iowa | United States | 42.49 | -91.13 | 941 | |
| Northwood | city | Iowa | United States | 43.44 | -93.22 | 1177 | |
| Norwalk | city | Iowa | United States | 41.48 | -93.68 | 898 | |
| Norway | city | Iowa | United States | 41.90 | -91.92 | 830 | |
| Norway Center | city | Iowa | United States | 41.35 | -94.87 | 1669 | |
| Norwich | city | Iowa | United States | 40.74 | -95.26 | 1151 | |
| Norwood | city | Iowa | United States | 41.12 | -93.48 | 1023 | |
| Norwoodville | city | Iowa | United States | 41.64 | -93.56 | 849 | |
| Nuel (historical) | city | Iowa | United States | 42.63 | -93.96 | 1131 | |
| Nugent | city | Iowa | United States | 41.21 | -92.19 | 830 | |
| Numa | city | Iowa | United States | 40.69 | -92.98 | 1010 | |
| Nyman | city | Iowa | United States | 40.88 | -95.20 | 1174 |