In chronological order the census returns and census substitutes for Co. Londonderry are:

1620-22 - Muster Roll (PRONI T/510/2).

1628 - Homes and Families in Londonderry, 15th May 1628 edited by Rev. R. G. S. King, 1936.

1630-31 - Muster Roll (PRONI D/1759/3C/2).

1655-67 - Civil Survey Vol IV (PRONI T/371).

1659 - Census of Ireland (PRONI MIC/15A/82).

1663 - Hearth Money Roll (PRONI T/307 and Nat Lib Ms 9584).

1669 - Poll Tax Returns (PRONI MIC/15A/82).

1740 - Protestant householders in the parishes of Aghadowey, Anlow, Artrea, Arigall, Ballinderry, Ballynascreen, Ballyscullion, Balten, Banagher, Beleaghron, Belerashane, Belewillin, Boveva, Coleraine, Comber, Desart, Desartlin, Desartmartin, Drummacose, Dunboe, Dungiven, Faughanvale, Glendermot, Killcranoghen, Killowen, Killylagh, Kilrea, Lissan, Macosquin, Maghera, Magherafelt, Tamlaghtfinlaggan, Tamlagh o Creely, Tamlatard, Tamloght, Templemore, Termoneny (PRONI T/808/15258 and GO 539).

1766 - Householders in the parishes of Artrea, Desertlin and Magherafelt (PRONI T/808/15264-7 and NAI 1A 46 49), parishes of Bovah, Comber, Drumacoose and Inch (PRONI T/808/15264-7 and NAI 1A 41 100) and the parish of Desertmartin (PRONI T/808/15264-7 and RCB Lib).

1831 - Census for parishes of Aghadowey, Aghanloo, Agivey, Arboe, Artrea, Ballinderry, Balteagh, Banagher, Ballyaughran, Ballymoney, Ballynascreen, Ballyrashane, Ballyscullion, Ballywillin, Boveagh, Clondermot, Coleraine, Cumber, Desertlyn, Derryloran, Desertmartin, Desertoghill, Drumachose, Dunboe, Dungiven, Errigal, Faughavale, Kilcrea, Kilcunaghan, Killeagh, Killowen, Lissane, Maghera, Magherafelt, Macosquin, Tamlagh, Tamlagh Finlagan, Tamlaght O'Crilly, Tamlaghtard, Templemore, Termoneeny (PRONI MIC/5A/6-9).

1858-59 - Griffith's Valuation.

1901 - Census.

1911 - Census.