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Largest city in the Lot-et-Garonne department: the 2026 ranking

The 319 towns of the Lot-et-Garonne department (47) ranked by population, area and density, based on the official INSEE population figures in force in 2026.

The largest city in the Lot-et-Garonne department is Agen, with 33,656 inhabitants (ranked 249th in France by population). The largest town by area is Villeneuve-sur-Lot (81 km²). Agen is also the most densely populated town, with 2,929 inhabitants per km². At the other end of the ranking, Boussès has only 43 inhabitants.

The Lot-et-Garonne department has 341,487 inhabitants over 5,361 km², a density of 64 inhabitants per km², 1.7 times lower than the national average (110 per km²). It accounts for 5.4% of the population of Nouvelle-Aquitaine, the region it has belonged to since the 2016 reform (formerly Aquitaine): see the ranking of the largest cities in Nouvelle-Aquitaine.

The 20 largest cities in the Lot-et-Garonne department by population

# Town Population km² per km² France rank
1 Agen 33,656 11 2,929 249th
2 Villeneuve-sur-Lot 23,095 81 284 401st
3 Marmande 17,833 45 396 558th
4 Tonneins 9,619 35 277 1,109th
5 Le Passage 9,493 13 736 1,127th
6 Nérac 7,377 63 118 1,489th
7 Sainte-Livrade-sur-Lot 6,707 31 217 1,654th
8 Bon-Encontre 6,649 21 323 1,680th
9 Boé 5,936 17 360 1,908th
10 Foulayronnes 5,730 29 199 2,003rd
11 Casteljaloux 4,805 31 157 2,379th
12 Fumel 4,799 23 212 2,381st
13 Pont-du-Casse 4,283 19 224 2,677th
14 Aiguillon 4,083 28 144 2,821st
15 Layrac 4,071 38 107 2,827th
16 Pujols 3,886 25 156 2,976th
17 Sainte-Bazeille 3,265 21 158 3,528th
18 Miramont-de-Guyenne 3,193 17 192 3,612th
19 Colayrac-Saint-Cirq 3,140 21 147 3,681st
20 Bias 3,033 12 247 3,797th

Largest towns by area in the Lot-et-Garonne department

# Town Population km² per km² France rank
1 Villeneuve-sur-Lot 23,095 81 284 392nd
2 Allons 168 76 2 454th
3 Réaup-Lisse 599 71 8 523rd
4 Houeillès 570 68 8 586th
5 Nérac 7,377 63 118 705th
6 Monflanquin 2,400 62 39 724th
7 Sos 665 53 13 1,027th
8 Moncrabeau 758 50 15 1,186th
9 Boussès 43 47 1 1,364th
10 Penne-d'Agenais 2,535 47 54 1,414th

Most densely populated towns in the Lot-et-Garonne department

# Town Population km² per km² France rank
1 Agen 33,656 11 2,929 300th
2 Le Passage 9,493 13 736 1,286th
3 Marmande 17,833 45 396 2,285th
4 Boé 5,936 17 360 2,503rd
5 Bon-Encontre 6,649 21 323 2,795th
6 Estillac 2,509 7.9 316 2,859th
7 Villeneuve-sur-Lot 23,095 81 284 3,172nd
8 Roquefort 2,119 7.5 281 3,206th
9 Tonneins 9,619 35 277 3,261st
10 Bias 3,033 12 247 3,675th

All towns in the Lot-et-Garonne department (319)

INSEE total population in parentheses. Each town page gives its area, density, national and departmental rankings, and neighboring towns.

Other departments in Nouvelle-Aquitaine

Charente (16) Charente-Maritime (17) Corrèze (19) Creuse (23) Dordogne (24) Gironde (33) Landes (40) Pyrénées-Atlantiques (64) Deux-Sèvres (79) Vienne (86) Haute-Vienne (87) All departments

Sources: INSEE, official population figures in force on January 1, 2026 (total population); land area: IGN / Observatoire des territoires. Rankings computed across the 34,858 communes in the database.

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