| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| La Crew | city | Iowa | United States | 40.73 | -91.58 | 830 | |
| La Motte | city | Iowa | United States | 42.30 | -90.62 | 1003 | |
| La Porte City | city | Iowa | United States | 42.31 | -92.19 | 830 | |
| LaMoille | city | Iowa | United States | 42.03 | -93.04 | 938 | |
| Lacelle | city | Iowa | United States | 40.95 | -93.87 | 1099 | |
| Lacey | city | Iowa | United States | 41.40 | -92.64 | 846 | |
| Lacona | city | Iowa | United States | 41.19 | -93.38 | 849 | |
| Ladoga | city | Iowa | United States | 40.74 | -94.80 | 1207 | |
| Ladora | city | Iowa | United States | 41.75 | -92.18 | 830 | |
| Lafayette | city | Iowa | United States | 42.15 | -91.68 | 849 | |
| Lafayette (historical) | city | Iowa | United States | 41.29 | -91.36 | 830 | |
| Lainsville | city | Iowa | United States | 42.13 | -90.20 | 830 | |
| Lake Canyada Mobile Home Park | city | Iowa | United States | 41.51 | -90.68 | 830 | |
| Lake City | city | Iowa | United States | 42.27 | -94.73 | 1220 | |
| Lake Mills | city | Iowa | United States | 43.42 | -93.53 | 1669 | |
| Lake Panorama | city | Iowa | United States | 41.71 | -94.39 | 1000 | |
| Lake Park | city | Iowa | United States | 43.46 | -95.32 | 1669 | |
| Lake Ridge Mobile Home Park | city | Iowa | United States | 41.61 | -91.54 | 830 | |
| Lake View | city | Iowa | United States | 42.31 | -95.05 | 1246 | |
| Lakeside | city | Iowa | United States | 42.62 | -95.17 | 1669 | |
| Lakeside Acres Mobile Park | city | Iowa | United States | 43.12 | -93.38 | 1246 | |
| Lakeview | city | Iowa | United States | 42.31 | -95.05 | 1246 | |
| Lakeview Mobile Home Court | city | Iowa | United States | 42.64 | -91.91 | 1049 | |
| Lakewood | city | Iowa | United States | 41.50 | -93.67 | 898 | |
| Lakewood (historical) | city | Iowa | United States | 43.35 | -96.16 | 1669 | |
| Lakewood Corner | city | Iowa | United States | 43.35 | -96.18 | 1669 | |
| Lakewood Park | city | Iowa | United States | 41.58 | -90.68 | 830 | |
| Lakonta | city | Iowa | United States | 41.19 | -92.73 | 830 | |
| Lakota | city | Iowa | United States | 43.38 | -94.09 | 1148 | |
| Lambs Grove | city | Iowa | United States | 41.70 | -93.08 | 898 | |
| Lamoni | city | Iowa | United States | 40.62 | -93.93 | 1105 | |
| Lamont | city | Iowa | United States | 42.60 | -91.64 | 1046 | |
| Lamplighter Villa | city | Iowa | United States | 42.54 | -92.42 | 853 | |
| Lamson Mobile Home Park | city | Iowa | United States | 41.30 | -92.66 | 830 | |
| Lanesboro | city | Iowa | United States | 42.18 | -94.69 | 1148 | |
| Langdon | city | Iowa | United States | 43.22 | -95.09 | 1669 | |
| Langworthy | city | Iowa | United States | 42.19 | -91.22 | 898 | |
| Lanscaster | city | Iowa | United States | 41.28 | -92.16 | 830 | |
| Lansing | city | Iowa | United States | 43.36 | -91.22 | 830 | |
| Lansing Valley Mobile City | city | Iowa | United States | 43.36 | -91.22 | 830 | |
| Lansrud | city | Iowa | United States | 43.45 | -93.47 | 1249 | |
| Lanyon | city | Iowa | United States | 42.22 | -94.20 | 1154 | |
| Larchwood | city | Iowa | United States | 43.45 | -96.43 | 1669 | |
| Larland | city | Iowa | United States | 41.73 | -94.76 | 1669 | |
| Larrabee | city | Iowa | United States | 42.86 | -95.55 | 1669 | |
| Last Chance | city | Iowa | United States | 40.96 | -93.55 | 1043 | |
| Latimer | city | Iowa | United States | 42.76 | -93.37 | 1246 | |
| Lattnerville | city | Iowa | United States | 42.49 | -90.88 | 830 | |
| Latty | city | Iowa | United States | 40.90 | -91.12 | 830 | |
| Laurel | city | Iowa | United States | 41.88 | -92.92 | 1036 | |
| Laurens | city | Iowa | United States | 42.85 | -94.85 | 1669 | |
| Lavinia | city | Iowa | United States | 42.41 | -94.75 | 1213 | |
| Lawler | city | Iowa | United States | 43.07 | -92.15 | 1099 | |
| Lawn Hill | city | Iowa | United States | 42.30 | -93.17 | 1122 | |
| Lawrenceburg | city | Iowa | United States | 41.23 | -93.55 | 892 | |
| Lawton | city | Iowa | United States | 42.48 | -96.18 | 1200 | |
| Le Claire | city | Iowa | United States | 41.60 | -90.34 | 830 | |
| Le Grand | city | Iowa | United States | 42.01 | -92.78 | 931 | |
| Le Mars | city | Iowa | United States | 42.79 | -96.17 | 1249 | |
| Le Roy | city | Iowa | United States | 40.88 | -93.59 | 1138 | |
| Leando | city | Iowa | United States | 40.83 | -92.09 | 830 | |
| Lear | city | Iowa | United States | 42.53 | -92.74 | 1053 | |
| Lebanon | city | Iowa | United States | 43.10 | -96.36 | 1669 | |
| Lebanon | city | Iowa | United States | 40.73 | -92.08 | 830 | |
| Ledyard | city | Iowa | United States | 43.42 | -94.16 | 1158 | |
| Lee (historical) | city | Iowa | United States | 40.59 | -94.11 | 1095 | |
| Leeds | city | Iowa | United States | 42.54 | -96.36 | 1099 | |
| Lehigh | city | Iowa | United States | 42.36 | -94.05 | 954 | |
| Leighton | city | Iowa | United States | 41.34 | -92.79 | 830 | |
| Leland | city | Iowa | United States | 43.34 | -93.64 | 1243 | |
| Lemont (historical) | city | Iowa | United States | 41.33 | -94.47 | 1669 | |
| Lena | city | Iowa | United States | 42.22 | -94.29 | 1128 | |
| Lenox | city | Iowa | United States | 40.88 | -94.56 | 1669 | |
| Leon | city | Iowa | United States | 40.74 | -93.75 | 1108 | |
| Leslie | city | Iowa | United States | 40.94 | -93.80 | 1210 | |
| Lester | city | Iowa | United States | 43.44 | -96.33 | 1669 | |
| Letts | city | Iowa | United States | 41.33 | -91.24 | 830 | |
| Leverett | city | Iowa | United States | 42.91 | -94.97 | 1669 | |
| Levey | city | Iowa | United States | 41.55 | -93.52 | 830 | |
| Lewis | city | Iowa | United States | 41.31 | -95.08 | 1669 | |
| Lexington | city | Iowa | United States | 41.40 | -91.81 | 830 | |
| Lexington | city | Iowa | United States | 40.70 | -91.81 | 830 | |
| Liberty | city | Iowa | United States | 41.15 | -93.65 | 1036 | |
| Liberty Center | city | Iowa | United States | 41.20 | -93.50 | 1023 | |
| Libertyville | city | Iowa | United States | 40.96 | -92.05 | 830 | |
| Lidderdale | city | Iowa | United States | 42.12 | -94.78 | 1243 | |
| Lidtke Mill | city | Iowa | United States | 43.46 | -92.28 | 1240 | |
| Lima | city | Iowa | United States | 42.87 | -91.74 | 941 | |
| Lime City | city | Iowa | United States | 41.65 | -91.08 | 830 | |
| Lime Springs | city | Iowa | United States | 43.45 | -92.28 | 1249 | |
| Linby | city | Iowa | United States | 41.15 | -92.14 | 830 | |
| Lincoln | city | Iowa | United States | 42.26 | -92.69 | 1059 | |
| Lincoln | city | Iowa | United States | 42.43 | -92.66 | 997 | |
| Lincoln Center | city | Iowa | United States | 41.12 | -94.87 | 1174 | |
| Lincolnway Village | city | Iowa | United States | 41.92 | -91.67 | 830 | |
| Lindale Manor | city | Iowa | United States | 42.03 | -91.63 | 849 | |
| Linden | city | Iowa | United States | 41.64 | -94.27 | 1108 | |
| Lineville | city | Iowa | United States | 40.58 | -93.52 | 1079 | |
| Linn Grove | city | Iowa | United States | 42.89 | -95.25 | 1669 | |
| Linn Junction | city | Iowa | United States | 42.02 | -91.72 | 830 | |
| Linwood | city | Iowa | United States | 41.42 | -94.62 | 1669 | |
| Linwood | city | Iowa | United States | 41.47 | -90.68 | 830 | |
| Lisbon | city | Iowa | United States | 41.92 | -91.39 | 921 | |
| Liscomb | city | Iowa | United States | 42.19 | -93.00 | 1003 | |
| Little Cedar | city | Iowa | United States | 43.38 | -92.73 | 1161 | |
| Little Groves | city | Iowa | United States | 41.54 | -90.69 | 830 | |
| Little Rock | city | Iowa | United States | 43.44 | -95.88 | 1669 | |
| Little Sioux | city | Iowa | United States | 41.81 | -96.02 | 1033 | |
| Little Turkey | city | Iowa | United States | 43.13 | -92.10 | 1125 | |
| Littleport | city | Iowa | United States | 42.75 | -91.37 | 830 | |
| Littleton | city | Iowa | United States | 42.53 | -92.02 | 918 | |
| Livermore | city | Iowa | United States | 42.87 | -94.19 | 1118 | |
| Lizard (historical) | city | Iowa | United States | 42.63 | -94.51 | 1230 | |
| Lloyds Mobile Home Park | city | Iowa | United States | 41.80 | -90.25 | 830 | |
| Loch Burns | city | Iowa | United States | 41.03 | -92.35 | 830 | |
| Lockman | city | Iowa | United States | 41.08 | -92.74 | 830 | |
| Lockridge | city | Iowa | United States | 40.99 | -91.75 | 830 | |
| Locust | city | Iowa | United States | 43.42 | -91.72 | 1217 | |
| Logan | city | Iowa | United States | 41.64 | -95.79 | 1013 | |
| Logansport | city | Iowa | United States | 42.07 | -93.95 | 1056 | |
| Lohrville | city | Iowa | United States | 42.27 | -94.55 | 1135 | |
| Lone Pine Mobile Home Court | city | Iowa | United States | 41.72 | -92.45 | 862 | |
| Lone Rock | city | Iowa | United States | 43.22 | -94.33 | 1210 | |
| Lone Tree | city | Iowa | United States | 41.49 | -91.43 | 830 | |
| Long Grove | city | Iowa | United States | 41.70 | -90.58 | 830 | |
| Long Point | city | Iowa | United States | 41.95 | -92.48 | 830 | |
| Lorah | city | Iowa | United States | 41.47 | -94.96 | 1184 | |
| Lore | city | Iowa | United States | 42.52 | -90.80 | 997 | |
| Lore Mobile Home Park | city | Iowa | United States | 42.52 | -90.80 | 1030 | |
| Lorimor | city | Iowa | United States | 41.13 | -94.05 | 1200 | |
| Loring | city | Iowa | United States | 41.83 | -93.44 | 915 | |
| Lost Canyon Mobile Home Park | city | Iowa | United States | 42.45 | -90.78 | 1066 | |
| Lost Nation | city | Iowa | United States | 41.96 | -90.82 | 830 | |
| Lotts Creek | city | Iowa | United States | 43.16 | -94.37 | 1256 | |
| Louisa | city | Iowa | United States | 42.03 | -91.67 | 830 | |
| Louise | city | Iowa | United States | 42.36 | -92.30 | 895 | |
| Lourdes | city | Iowa | United States | 43.26 | -92.30 | 1217 | |
| Loveland | city | Iowa | United States | 41.50 | -95.89 | 1026 | |
| Lovilia | city | Iowa | United States | 41.14 | -92.90 | 928 | |
| Lovington | city | Iowa | United States | 41.65 | -93.69 | 898 | |
| Low Moor | city | Iowa | United States | 41.80 | -90.35 | 830 | |
| Lowden | city | Iowa | United States | 41.86 | -90.93 | 830 | |
| Lowell | city | Iowa | United States | 40.83 | -91.44 | 830 | |
| Lowther Station (historical) | city | Iowa | United States | 43.32 | -92.51 | 1249 | |
| Lu Verne | city | Iowa | United States | 42.91 | -94.07 | 1135 | |
| Luana | city | Iowa | United States | 43.06 | -91.45 | 1122 | |
| Lucas | city | Iowa | United States | 41.03 | -93.46 | 997 | |
| Lucky Valley (historical) | city | Iowa | United States | 42.38 | -95.94 | 1200 | |
| Ludlow | city | Iowa | United States | 43.23 | -91.57 | 1200 | |
| Lundgren | city | Iowa | United States | 42.37 | -94.17 | 1138 | |
| Lunsford | city | Iowa | United States | 40.60 | -92.44 | 892 | |
| Luray | city | Iowa | United States | 41.99 | -93.00 | 951 | |
| Luther | city | Iowa | United States | 41.97 | -93.82 | 1105 | |
| Luton | city | Iowa | United States | 42.34 | -96.23 | 1076 | |
| Luxemburg | city | Iowa | United States | 42.60 | -91.07 | 1128 | |
| Luzerne | city | Iowa | United States | 41.90 | -92.18 | 898 | |
| Lycurgus | city | Iowa | United States | 43.33 | -91.42 | 1115 | |
| Lyman | city | Iowa | United States | 41.23 | -94.98 | 1669 | |
| Lyndale | city | Iowa | United States | 43.30 | -91.28 | 830 | |
| Lynnville | city | Iowa | United States | 41.58 | -92.78 | 856 | |
| Lyons | city | Iowa | United States | 41.87 | -90.19 | 830 | |
| Lytton | city | Iowa | United States | 42.42 | -94.86 | 1220 |