What is the least densely populated town in Île-de-France in 2026?

Gambaiseuil (Yvelines) is the least densely populated town in Île-de-France, with just 3.4 inhabitants per km².

What are the 10 least densely populated towns in Île-de-France?

In order: Gambaiseuil (3.4 inhabitants per km²), Montenils (6.8 inhabitants per km²), Vulaines-lès-Provins (7.6 inhabitants per km²), Le Tartre-Gaudran (8.9 inhabitants per km²), Charmont (8.9 inhabitants per km²), Theuville (10.7 inhabitants per km²), Mortery (10.8 inhabitants per km²), Passy-sur-Seine (10.8 inhabitants per km²), Voulton (11.4 inhabitants per km²), and Gironville (12.1 inhabitants per km²).

What is the most densely populated town in Île-de-France?

Levallois-Perret (Hauts-de-Seine) is the most densely populated town in Île-de-France, with 28,473.0 inhabitants per km². See the most densely populated towns in Île-de-France.

How many towns in Île-de-France are ranked?

All of them: the 1,266 towns in Île-de-France appear in this ranking.

How is density calculated?

Density is the official total population of the commune (INSEE) divided by its area in square kilometers.

Least Densely Populated Towns in Île-de-France (2026)

This ranking covers all 1,266 towns in Île-de-France. At the other end of the ranking, Levallois-Perret (Hauts-de-Seine) comes last with 28,473.0 inhabitants per km².

In France, a commune is the smallest unit of local government, from large cities to tiny villages. Paris, Lyon and Marseille are ranked as whole communes: their arrondissements (districts) have no rank of their own.

The ranking: least densely populated towns in Île-de-France

Rank	Town	Department	Density (per km²)	Population	Area (km²)
1	Gambaiseuil	Yvelines (78)	3.4	65	19
2	Montenils	Seine-et-Marne (77)	6.8	36	5.3
3	Vulaines-lès-Provins	Seine-et-Marne (77)	7.6	82	11
4 tied	Le Tartre-Gaudran	Yvelines (78)	8.9	38	4.3
4 tied	Charmont	Val-d'Oise (95)	8.9	34	3.8
6	Theuville	Val-d'Oise (95)	10.7	53	5.0
7	Mortery	Seine-et-Marne (77)	10.8	142	13
8	Passy-sur-Seine	Seine-et-Marne (77)	10.8	49	4.5
9	Voulton	Seine-et-Marne (77)	11.4	299	26
10	Gironville	Seine-et-Marne (77)	12.1	166	14
11	Courchamp	Seine-et-Marne (77)	12.2	151	12
12	Cerneux	Seine-et-Marne (77)	12.4	274	22
13	Arville	Seine-et-Marne (77)	13.0	147	11
14	Saint-Mars-Vieux-Maisons	Seine-et-Marne (77)	13.2	251	19
15	Louan-Villegruis-Fontaine	Seine-et-Marne (77)	13.4	509	38
16	Beauchery-Saint-Martin	Seine-et-Marne (77)	14.0	392	28
17	Chatignonville	Essonne (91)	14.0	72	5.1
18	Sigy	Seine-et-Marne (77)	14.2	67	4.7
19	Blandy	Essonne (91)	14.5	115	7.9
20	Saint-Martin-du-Boschet	Seine-et-Marne (77)	15.4	263	17
21	Roinvilliers	Essonne (91)	15.8	113	7.2
22	Montolivet	Seine-et-Marne (77)	16.0	262	16
23	Épinay-Champlâtreux	Val-d'Oise (95)	16.0	57	3.6
24	Arrancourt	Essonne (91)	16.2	120	7.4
25	Chérence	Val-d'Oise (95)	16.3	138	8.5
26	Maisoncelles-en-Gâtinais	Seine-et-Marne (77)	16.4	141	8.6
27	Brouy	Essonne (91)	16.6	139	8.4
28	Champcenest	Seine-et-Marne (77)	16.6	207	12
29	Mondreville	Seine-et-Marne (77)	16.7	339	20
30	Rupéreux	Seine-et-Marne (77)	17.1	108	6.3
31	Boissy-aux-Cailles	Seine-et-Marne (77)	17.1	280	16
32	Allainville	Yvelines (78)	17.6	287	16
33	Diant	Seine-et-Marne (77)	17.9	196	11
34	Obsonville	Seine-et-Marne (77)	17.9	127	7.1
35	Fontains	Seine-et-Marne (77)	18.0	259	14
36	Banthelu	Val-d'Oise (95)	18.2	147	8.1
37	Mespuits	Essonne (91)	18.6	185	10.0
38	Melz-sur-Seine	Seine-et-Marne (77)	18.9	349	19
39	Égligny	Seine-et-Marne (77)	18.9	313	17
40	Sancy-lès-Provins	Seine-et-Marne (77)	19.0	345	18
41	Grisy-sur-Seine	Seine-et-Marne (77)	19.0	125	6.6
42	Rumont	Seine-et-Marne (77)	19.5	129	6.6
43	Augers-en-Brie	Seine-et-Marne (77)	19.9	269	13
44	Garentreville	Seine-et-Marne (77)	20.2	128	6.4
45	Ichy	Seine-et-Marne (77)	20.3	158	7.8
46	Laval-en-Brie	Seine-et-Marne (77)	20.6	417	20
47	Gravon	Seine-et-Marne (77)	20.7	156	7.6
48	Courtacon	Seine-et-Marne (77)	20.8	247	12
49	Voinsles	Seine-et-Marne (77)	20.8	592	28
50	Bois-Herpin	Essonne (91)	21.1	82	3.9
51	Courcelles-en-Bassée	Seine-et-Marne (77)	21.2	229	11
52	Montceaux-lès-Provins	Seine-et-Marne (77)	21.2	326	15
53	La Chapelle-Moutils	Seine-et-Marne (77)	21.4	404	19
54	Bassevelle	Seine-et-Marne (77)	21.6	377	17
55	Chenou	Seine-et-Marne (77)	21.6	297	14
56	Abbéville-la-Rivière	Essonne (91)	21.9	329	15
57	Burcy	Seine-et-Marne (77)	21.9	154	7.0
58	Paray-Douaville	Yvelines (78)	22.0	226	10
59	Jaulnes	Seine-et-Marne (77)	22.0	349	16
60	Vieux-Champagne	Seine-et-Marne (77)	22.1	196	8.9
61	La Chapelle-Iger	Seine-et-Marne (77)	22.1	193	8.7
62 tied	Villenauxe-la-Petite	Seine-et-Marne (77)	22.2	461	21
62 tied	Châtenay-en-France	Val-d'Oise (95)	22.2	68	3.1
64	Fromont	Seine-et-Marne (77)	22.2	238	11
65	Menouville	Val-d'Oise (95)	22.3	62	2.8
66	Chevry-en-Sereine	Seine-et-Marne (77)	22.5	513	23
67	Villiers-en-Bière	Seine-et-Marne (77)	23.1	248	11
68	Moussy	Val-d'Oise (95)	23.2	110	4.8
69	Saint-Barthélemy	Seine-et-Marne (77)	23.2	348	15
70	La Croix-en-Brie	Seine-et-Marne (77)	23.4	689	29
71	Puiselet-le-Marais	Essonne (91)	23.6	266	11
72	Boigneville	Essonne (91)	23.6	373	16
73	Courquetaine	Seine-et-Marne (77)	23.8	186	7.8
74	Montdauphin	Seine-et-Marne (77)	24.1	237	9.8
75	Amenucourt	Val-d'Oise (95)	24.4	212	8.7
76	Verdelot	Seine-et-Marne (77)	24.4	625	26
77	Villiers-sur-Seine	Seine-et-Marne (77)	24.9	283	11
78	Saint-Hilliers	Seine-et-Marne (77)	25.1	481	19
79	Le Plessis-Gassot	Val-d'Oise (95)	25.4	104	4.1
80	Congerville-Thionville	Essonne (91)	25.4	215	8.5
81	Larchant	Seine-et-Marne (77)	25.4	744	29
82	Saint-Léger	Seine-et-Marne (77)	25.8	248	9.6
83	Tousson	Seine-et-Marne (77)	25.8	342	13
84	Aulnoy	Seine-et-Marne (77)	26.0	371	14
85	Coulombs-en-Valois	Seine-et-Marne (77)	26.1	584	22
86	Guiry-en-Vexin	Val-d'Oise (95)	26.3	162	6.2
87	Hautefeuille	Seine-et-Marne (77)	26.3	258	9.8
88	Vanvillé	Seine-et-Marne (77)	26.4	199	7.5
89	Léchelle	Seine-et-Marne (77)	26.7	588	22
90	Échouboulains	Seine-et-Marne (77)	26.9	563	21
91	Blennes	Seine-et-Marne (77)	27.4	555	20
92	Frétoy	Seine-et-Marne (77)	27.4	176	6.4
93	La Haute-Maison	Seine-et-Marne (77)	27.5	356	13
94	Vaux-sur-Lunain	Seine-et-Marne (77)	27.5	233	8.5
95 tied	Omerville	Val-d'Oise (95)	27.6	330	12
95 tied	La Tombe	Seine-et-Marne (77)	27.6	216	7.8
97	Balloy	Seine-et-Marne (77)	27.6	365	13
98	Aufferville	Seine-et-Marne (77)	27.6	490	18
99	Baby	Seine-et-Marne (77)	27.7	114	4.1
100	Chauffour-lès-Étréchy	Essonne (91)	28.1	135	4.8

Source: INSEE (official population figures); IGN / Observatoire des territoires (areas); total population divided by area. Not ranked: towns with no inhabitants. Tied values share the same rank. Data sources.

The least densely populated towns in Île-de-France in 2026

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