Tournai / Doornik is a municipality of 215.3 km² with 69,370 inhabitants. Its average age is 42, and 58% of residents own their homes. Average annual net income per person is €17,313; women make up 50.9% of the population. Nationalities are 88.2% Belgian, 8.9% French, 0.4% Italian, 0.3% Moroccan, 0.3% Romanian, 0.2% Cameroonian, 0.2% Iraqi and 1.6% other. Apartment buildings represent 17.1% of the building stock, with houses accounting for 82.9%. Homes average 5.4 rooms, and buildings date on average from around 1930. The overall building types are 31.2% closed-type houses, 26.2% open-type houses, farms and castles, 20.9% semi-closed-type houses, 16.1% buildings and flat blocks, 4.6% commercial houses and 1% other types.
There are 82 flats for rent in the municipality. Monthly rents average €766, and current asking rents range from €375 to €1,400. The A16 / E42 towards Mons and Tournai has an entrance 4 minutes by car from the town centre. The A8 / E429 - E42 towards Halle, Tournai and Lille is accessible in the same 4 minutes. The N7, N48, N50, R52 and N500 also serve Tournai / Doornik.
Bus connections stop on 21 lines, including TEC Line 1 between Mons and Saint-Ghislain. Local services are K for Tournai–Kain, V for Tournai–Chercq–Vaulx, W for Tournai–Warchin–Rumillies, and Z/ for Kain–Tournai–Froyennes (Zoning). Stations closest to the centre are Doornik / Tournai, Froyennes, Antoing, Blandain-Frontiere and Baisieux. Families have 91 nurseries, 52 nursery schools, 51 primary schools and 22 secondary schools across the municipality.
The supermarket choices include 4 Carrefour, 3 Intermarché, 2 Louis Delhaize, 2 Trafic, 2 SPAR, 2 Colruyt and 2 Delhaize. The municipality has 14 electric-vehicle charging stations and 2 Cambio car-share stations, with no shared bicycle service listed. Wevelgem Airport is 22 minutes away by car and 96 minutes by public transport. There is an average of 1 car per household, compared with the national average of 1.3.