76:
839:
47:
102:
122:
196:
64:
511:
In the township the population was spread out, with 25.1% under the age of 18, 6.3% from 18 to 24, 30.9% from 25 to 44, 25.5% from 45 to 64, and 12.2% who were 65 years of age or older. The median age was 38 years. For every 100 females there were 96.5 males. For every 100 females age 18 and over,
471:
of 2000, there were 5,224 people, 2,004 households, and 1,517 families residing in the township. The population density was 229.4 inhabitants per square mile (88.6/km). There were 2,095 housing units at an average density of 92.0 per square mile (35.5/km). The racial makeup of the township was
507:
living together, 7.9% had a female householder with no husband present, and 24.3% were non-families. 20.6% of all households were made up of individuals, and 7.8% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 2.99.
75:
328:. Since the township was so large and difficult to govern, the residents petitioned the court in 1767 to subdivide the land into two parts, the eastern section to remain Derry and the western to be Londonderry. It is named after
1394:
515:
The median income for a household in the township was $ 42,804, and the median income for a family was $ 52,650. Males had a median income of $ 38,750 versus $ 27,719 for females. The
772:
63:
384:, the township has a total area of 26.9 square miles (69.7 km), of which 22.7 square miles (58.9 km) is land and 4.2 square miles (10.8 km), or 15.49%, is water.
960:
17:
1433:
1025:
1040:
377:. There are numerous islands in the Susquehanna River within the township, the largest of which are Hill Island, Shelley Island, Three Mile Island, and Bashore Island.
975:
1060:
950:
342:
1030:
1005:
970:
1045:
955:
325:
305:
51:
1015:
671:
765:
1223:
897:
265:
1293:
1348:
1308:
758:
1020:
1000:
990:
335:
Derry and
Londonderry became a part of Dauphin County when it was established in 1785. In 1787, the population of Derry Township was 198.
1050:
1035:
985:
1055:
827:
539:
228:
134:
750:
569:
965:
477:
374:
1313:
995:
481:
1323:
1173:
867:
782:
336:
298:
139:
81:
46:
1371:
1298:
1143:
1083:
1010:
723:
615:
489:
381:
353:
Londonderry
Township is the southernmost township in Dauphin County. Its western boundary is the western shore of the
675:
1343:
1253:
1248:
1168:
1138:
932:
309:
672:"Geographic Identifiers: 2010 Demographic Profile Data (G001): Londonderry township, Dauphin County, Pennsylvania"
1358:
1338:
1288:
1238:
1228:
1193:
1108:
1103:
902:
887:
433:
418:
370:
1283:
1233:
1133:
857:
823:
804:
253:
94:
503:
There were 2,004 households, out of which 33.6% had children under the age of 18 living with them, 63.2% were
1333:
1328:
1268:
1258:
1218:
1213:
1148:
1070:
942:
882:
339:
was created in 1813 and created a new
Londonderry Township which included the eastern half of the original.
294:
146:
37:
1318:
1303:
1273:
1203:
1198:
1183:
1178:
1128:
1123:
1118:
1078:
927:
922:
912:
849:
493:
366:
1278:
1263:
1243:
1188:
1113:
1098:
1093:
907:
877:
862:
358:
642:
Notes and
Queries, Historical, Biographical and Genealogical, Relating Chiefly to Interior Pennsylvania
1378:
1353:
1208:
1088:
917:
892:
497:
345:
was created in 1850 from southern parts of Derry
Township and eastern parts of Londonderry Township.
238:
1158:
872:
815:
485:
473:
519:
for the township was $ 20,055. About 4.1% of families and 7.0% of the population were below the
329:
697:
589:
516:
354:
640:
601:
316:
generating industry, which took place in 1979. The nuclear power plant closed in 2019.
1427:
362:
313:
258:
107:
520:
127:
85:
797:
114:
1409:
1396:
219:
619:
523:, including 8.2% of those under age 18 and 9.2% of those age 65 or over.
504:
468:
660:. Pennsylvania: Lebanon County Historical Society (published 1976).
245:
224:
361:, a tributary. The northwestern boundary of the township follows
754:
301:, United States. The population was 4,890 at the 2020 census.
837:
745:
279:
719:
674:. U.S. Census Bureau, American Factfinder. Archived from
16:
563:
561:
559:
557:
645:. Harrisburg Publishing Company. 1895. pp. 14–.
616:"Londonderry Township - Dauphin County - Central PA"
1157:
1069:
941:
848:
814:
274:
264:
252:
235:
218:
210:
202:
189:
184:
176:
168:
160:
155:
145:
133:
113:
93:
28:
18:
Londonderry
Township, Pennsylvania (disambiguation)
30:Londonderry Township, Dauphin County, Pennsylvania
365:, except where the township abuts the borough of
373:, and to the south, across Conewago Creek, is
766:
8:
570:"City and Town Population Totals: 2020-2021"
324:Londonderry Township originally was part of
306:Three Mile Island Nuclear Generating Station
773:
759:
751:
500:of any race were 0.67% of the population.
391:
369:. To the west, across the Susquehanna, is
25:
1434:Townships in Dauphin County, Pennsylvania
357:, and its southern boundary is formed by
658:Lebanon County, Pennsylvania - A History
531:
273:
263:
251:
217:
183:
154:
92:
72:
57:
43:
23:Township in Pennsylvania, United States
597:
587:
411:
746:Londonderry Township official website
234:
209:
201:
188:
175:
172:22.75 sq mi (58.93 km)
167:
164:26.93 sq mi (69.74 km)
159:
144:
132:
112:
7:
492:, and 1.03% from two or more races.
180:4.17 sq mi (10.80 km)
781:Municipalities and communities of
698:"Census of Population and Housing"
401:
14:
656:Carmean, Edna J (10 July 2024).
195:
194:
120:
100:
74:
62:
45:
312:in the history of the American
308:, the location of the largest
1:
542:. United States Census Bureau
784:Dauphin County, Pennsylvania
299:Dauphin County, Pennsylvania
214:228.57/sq mi (88.25/km)
724:United States Census Bureau
540:"2016 U.S. Gazetteer Files"
382:United States Census Bureau
203: • Estimate
1450:
304:The township includes the
15:
1367:
835:
795:
460:
447:
432:
417:
410:
405:
400:
397:
73:
58:
44:
35:
512:there were 97.0 males.
842:
1410:40.20000°N 76.68306°W
841:
720:"U.S. Census website"
461:U.S. Decennial Census
393:Historical population
332:in Northern Ireland.
237: • Summer (
1380:United States portal
678:on February 13, 2020
291:Londonderry Township
211: • Density
1415:40.20000; -76.68306
1406: /
1373:Pennsylvania portal
568:Bureau, US Census.
394:
843:
600:has generic name (
576:. US Census Bureau
392:
330:County Londonderry
190: • Total
177: • Water
161: • Total
1389:
1388:
517:per capita income
465:
464:
380:According to the
355:Susquehanna River
343:Conewago Township
288:
287:
169: • Land
52:Three Mile Island
1441:
1421:
1420:
1418:
1417:
1416:
1411:
1407:
1404:
1403:
1402:
1399:
1381:
1374:
840:
807:
800:
790:
785:
775:
768:
761:
752:
734:
733:
731:
730:
716:
710:
709:
707:
705:
694:
688:
687:
685:
683:
668:
662:
661:
653:
647:
646:
637:
631:
630:
628:
627:
618:. Archived from
612:
606:
605:
599:
595:
593:
585:
583:
581:
565:
552:
551:
549:
547:
536:
478:African American
413:
408:
403:
395:
375:Lancaster County
284:
281:
242:
198:
197:
126:
124:
123:
106:
104:
103:
78:
66:
49:
26:
1449:
1448:
1444:
1443:
1442:
1440:
1439:
1438:
1424:
1423:
1414:
1412:
1408:
1405:
1400:
1397:
1395:
1393:
1392:
1390:
1385:
1379:
1372:
1363:
1314:Oberlin Gardens
1160:
1153:
1065:
937:
844:
838:
833:
810:
805:
798:
791:
788:
783:
779:
742:
737:
728:
726:
718:
717:
713:
703:
701:
696:
695:
691:
681:
679:
670:
669:
665:
655:
654:
650:
639:
638:
634:
625:
623:
614:
613:
609:
596:
586:
579:
577:
567:
566:
555:
545:
543:
538:
537:
533:
529:
505:married couples
482:Native American
406:
390:
351:
322:
278:
236:
121:
119:
101:
99:
89:
69:
68:
67:
54:
40:
31:
24:
21:
12:
11:
5:
1447:
1445:
1437:
1436:
1426:
1425:
1387:
1386:
1384:
1383:
1376:
1368:
1365:
1364:
1362:
1361:
1356:
1351:
1346:
1341:
1336:
1331:
1326:
1324:Powells Valley
1321:
1316:
1311:
1306:
1301:
1296:
1291:
1286:
1281:
1276:
1271:
1266:
1261:
1256:
1251:
1246:
1241:
1236:
1231:
1226:
1221:
1216:
1211:
1206:
1201:
1196:
1191:
1186:
1181:
1176:
1174:Beaufort Farms
1171:
1165:
1163:
1159:Unincorporated
1155:
1154:
1152:
1151:
1146:
1141:
1136:
1131:
1126:
1121:
1116:
1111:
1106:
1101:
1096:
1091:
1086:
1081:
1075:
1073:
1067:
1066:
1064:
1063:
1058:
1053:
1048:
1043:
1038:
1033:
1028:
1023:
1018:
1013:
1008:
1003:
998:
993:
988:
983:
978:
973:
968:
963:
958:
953:
947:
945:
939:
938:
936:
935:
930:
925:
920:
915:
910:
905:
900:
895:
890:
885:
880:
875:
870:
868:Elizabethville
865:
860:
854:
852:
846:
845:
836:
834:
832:
831:
820:
818:
812:
811:
796:
793:
792:
780:
778:
777:
770:
763:
755:
749:
748:
741:
740:External links
738:
736:
735:
711:
689:
663:
648:
632:
607:
553:
530:
528:
525:
463:
462:
458:
457:
454:
452:
449:
445:
444:
441:
439:
436:
430:
429:
426:
424:
421:
415:
414:
409:
404:
399:
389:
386:
359:Conewago Creek
350:
347:
337:Lebanon County
326:Derry Township
321:
318:
286:
285:
276:
272:
271:
268:
262:
261:
256:
250:
249:
243:
233:
232:
222:
216:
215:
212:
208:
207:
204:
200:
199:
191:
187:
186:
182:
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178:
174:
173:
170:
166:
165:
162:
158:
157:
153:
152:
149:
143:
142:
137:
131:
130:
117:
111:
110:
97:
91:
90:
82:Dauphin County
79:
71:
70:
61:
60:
59:
56:
55:
50:
42:
41:
36:
33:
32:
29:
22:
13:
10:
9:
6:
4:
3:
2:
1446:
1435:
1432:
1431:
1429:
1422:
1419:
1382:
1377:
1375:
1370:
1369:
1366:
1360:
1357:
1355:
1352:
1350:
1347:
1345:
1342:
1340:
1337:
1335:
1332:
1330:
1327:
1325:
1322:
1320:
1317:
1315:
1312:
1310:
1307:
1305:
1302:
1300:
1299:Montrose Park
1297:
1295:
1292:
1290:
1287:
1285:
1282:
1280:
1277:
1275:
1272:
1270:
1267:
1265:
1262:
1260:
1257:
1255:
1252:
1250:
1247:
1245:
1242:
1240:
1237:
1235:
1232:
1230:
1227:
1225:
1222:
1220:
1217:
1215:
1212:
1210:
1207:
1205:
1202:
1200:
1197:
1195:
1192:
1190:
1187:
1185:
1182:
1180:
1177:
1175:
1172:
1170:
1167:
1166:
1164:
1162:
1156:
1150:
1147:
1145:
1144:Union Deposit
1142:
1140:
1137:
1135:
1132:
1130:
1127:
1125:
1122:
1120:
1117:
1115:
1112:
1110:
1107:
1105:
1102:
1100:
1097:
1095:
1092:
1090:
1087:
1085:
1084:Colonial Park
1082:
1080:
1077:
1076:
1074:
1072:
1068:
1062:
1059:
1057:
1054:
1052:
1049:
1047:
1044:
1042:
1039:
1037:
1034:
1032:
1029:
1027:
1024:
1022:
1021:South Hanover
1019:
1017:
1014:
1012:
1009:
1007:
1004:
1002:
1001:Middle Paxton
999:
997:
994:
992:
991:Lower Swatara
989:
987:
984:
982:
979:
977:
974:
972:
969:
967:
964:
962:
959:
957:
954:
952:
949:
948:
946:
944:
940:
934:
931:
929:
926:
924:
921:
919:
916:
914:
911:
909:
906:
904:
901:
899:
896:
894:
891:
889:
886:
884:
881:
879:
876:
874:
871:
869:
866:
864:
861:
859:
856:
855:
853:
851:
847:
829:
828:neighborhoods
825:
822:
821:
819:
817:
813:
809:
808:
801:
794:
789:United States
786:
776:
771:
769:
764:
762:
757:
756:
753:
747:
744:
743:
739:
725:
721:
715:
712:
699:
693:
690:
677:
673:
667:
664:
659:
652:
649:
644:
643:
636:
633:
622:on 2013-05-15
621:
617:
611:
608:
603:
591:
575:
571:
564:
562:
560:
558:
554:
541:
535:
532:
526:
524:
522:
518:
513:
509:
506:
501:
499:
495:
491:
488:, 0.11% from
487:
483:
479:
475:
470:
459:
455:
453:
450:
446:
442:
440:
437:
435:
431:
427:
425:
422:
420:
416:
396:
387:
385:
383:
378:
376:
372:
368:
364:
363:Swatara Creek
360:
356:
348:
346:
344:
340:
338:
333:
331:
327:
319:
317:
315:
314:nuclear power
311:
307:
302:
300:
296:
292:
283:
280:londonderrypa
277:
269:
267:
260:
257:
255:
247:
244:
240:
230:
229:Eastern (EST)
226:
223:
221:
213:
205:
192:
179:
171:
163:
150:
148:
141:
138:
136:
129:
118:
116:
109:
108:United States
98:
96:
87:
84:and state of
83:
77:
65:
53:
48:
39:
34:
27:
19:
1391:
1344:Singersville
1254:Hoernerstown
1249:Hockersville
1169:Bachmanville
1139:Skyline View
1051:West Hanover
1036:Upper Paxton
986:Lower Paxton
980:
961:East Hanover
933:Williamstown
803:
727:. Retrieved
714:
702:. Retrieved
700:. Census.gov
692:
682:December 17,
680:. Retrieved
676:the original
666:
657:
651:
641:
635:
624:. Retrieved
620:the original
610:
598:|last1=
578:. Retrieved
573:
544:. Retrieved
534:
521:poverty line
514:
510:
502:
466:
388:Demographics
379:
352:
341:
334:
323:
303:
290:
289:
270:42-043-44464
147:Incorporated
128:Pennsylvania
86:Pennsylvania
80:Location in
1413: /
1359:Waynesville
1339:Shellsville
1289:Manada Hill
1239:Hanoverdale
1229:Fort Hunter
1224:Fisherville
1194:Carsonville
1161:communities
1109:Linglestown
1104:Lenkerville
1026:Susquehanna
981:Londonderry
903:Millersburg
888:Hummelstown
799:County seat
490:other races
448:2021 (est.)
371:York County
1401:76°40′59″W
1398:40°12′00″N
1284:Manada Gap
1234:Grantville
1134:Rutherford
1041:Washington
898:Middletown
858:Berrysburg
824:Harrisburg
806:Harrisburg
729:2008-01-31
626:2013-05-12
574:Census.gov
527:References
467:As of the
185:Population
1334:Sandbeach
1329:Rockville
1294:Matamoras
1269:Killinger
1259:Inglenook
1219:Estherton
1214:Enterline
1149:Wiconisco
1056:Wiconisco
976:Jefferson
943:Townships
883:Highspire
349:Geography
266:FIPS code
254:Area code
220:Time zone
1428:Category
1319:Piketown
1304:Oakleigh
1274:Loyalton
1204:Edgemont
1199:Ebenezer
1184:Dietrich
1179:Benvenue
1129:Progress
1124:Paxtonia
1119:Palmdale
1079:Bressler
1061:Williams
951:Conewago
928:Steelton
923:Royalton
913:Penbrook
850:Boroughs
590:cite web
494:Hispanic
484:, 0.25%
480:, 0.10%
476:, 0.77%
367:Royalton
310:accident
295:township
38:Township
1349:Swatara
1309:Oakmont
1279:Lucknow
1264:Jednota
1244:Heckton
1189:Deodate
1114:Oberlin
1099:Lawnton
1094:Hershey
1031:Swatara
1006:Mifflin
971:Jackson
966:Halifax
908:Paxtang
878:Halifax
863:Dauphin
704:June 4,
580:12 July
546:Aug 13,
472:97.74%
320:History
275:Website
140:Dauphin
95:Country
1354:Vaughn
1209:Enders
1089:Enhaut
996:Lykens
918:Pillow
893:Lykens
498:Latino
469:census
398:Census
193:4,890
135:County
125:
105:
1046:Wayne
956:Derry
873:Gratz
486:Asian
474:White
456:−0.1%
451:4,885
443:−6.6%
438:4,890
423:5,235
293:is a
248:(EDT)
246:UTC-4
225:UTC-5
206:4,885
115:State
1071:CDPs
1016:Rush
1011:Reed
816:City
706:2016
684:2015
602:help
582:2022
548:2017
434:2020
419:2010
407:Note
402:Pop.
282:.org
156:Area
151:1768
496:or
297:in
259:717
239:DST
1430::
802::
787:,
722:.
594::
592:}}
588:{{
572:.
556:^
412:%±
830:)
826:(
774:e
767:t
760:v
732:.
708:.
686:.
629:.
604:)
584:.
550:.
428:—
241:)
231:)
227:(
88:.
20:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
