Population: 2650 in 1991, 2382 in 1981, 1725 in 1971. It is 9.6 km from Markethill, to the North East. The old spellings of Tandragee were Tanderagee and Tonagree. (The townland of Tanderagee is another place, South West of Markethill.)

"The town in situated on the main Portadown-Newry (A27) Road approximately five miles from Portadown and nine miles from Armagh. With a fairly diversified industrial base, it provides a good deal of local employment in such activities as potato processing, textile manufacture and flour milling. It also functions as a service centre for its local hinterland and a dormitory town for residents working elsewhere." (Armagh Area Plan 2004: Armagh District Council Area)

McKay, P A Dictionary of Ulster Place-names (Belfast, 1999) notes:
Parish of Ballymore, Barony of Orior Lower
From the Irish Toin re Gaoith 'Backside to the wind'. There are hills so named throughout Ireland, no doubt on account of their exposed situations. Tandragee is mainly in the townland of Ballymore.
(Tin re Gaoith, 1642)

The town was described in 1838 in the Ordnance Survey Memoirs:

In 1838:

Settlement map.

Tandragee. Tandragee.

Tandragee. Tandragee.

Tandragee. Tandragee.

tanderagee01.jpg tanderagee02.jpg tanderagee03.jpg tandrageejuniorhigh01.jpg tandrageejuniorhigh02.jpg tandrageeprimary01.jpg tandrageeprimary02.jpg