() is a department of France located in the Grand Paris metropolis in the region. In French, it is often referred to colloquially as ' or ' ("ninety-three" or "nine three"), after its official administrative number, 93. Its prefecture is Bobigny.

In 2023, it had a population of 1,644,903 across 39 communes. In French, the learned but rarely used demonym for the inhabitants of Seine-Saint-Denis is ; more common is .

Geography

The department is surrounded by the departments of Hauts-de-Seine, Val-de-Marne, Paris, Val-d'Oise, and Seine-et-Marne. It is thus one of only five French departments surrounded entirely by other departments of the same region.

is located to the northeast of Paris. It has a surface area of only 236&nbsp;km<sup>2</sup> (91 sq mi), making it one of the smallest departments in France. Seine-Saint-Denis and two other small departments, and , form a ring around Paris, known as the ("little crown"). Since 1 January 2016, together with Paris, they have formed the area of Greater Paris (Grand Paris).

frameless

Principal towns

The most populous commune is Saint-Denis; the prefecture Bobigny is the ninth-most populous. As of 2023, there are 6 communes with more than 70,000 inhabitants: When two suspects (known criminals from the department) were arrested in the 2025 Louvre robbery it was noted by The Guardian to have the highest poverty and crime rate in mainland France.

Demographics

is the French department with the highest proportion of immigrants: 21.7% at the 1999 census (see table below). An immigrant according to INSEE is anyone born non-French within or outside France and as such, this figure does not include people born French but with a migrant background or from overseas France. The ratio of ethnic minorities is difficult to estimate accurately as French law prohibits the collection of ethnic data for census taking purposes.

In 2018, the poverty rate was twice the national average at 28%, the unemployment rate was 3% above the national average, at 12.7%. In 2018, it was estimated that 8–20% of the population in the department were illegal immigrants.

Population development since 1881:

Education

An education study confirmed falling levels of literacy in the area, where the percentage of pupils who had 25 errors or more increased from 5.4% in 1987 to 19.8% in 2015.

| Emmanuel Macron

| LREM

| 73.72

| Marine Le Pen

| FN

| 26.28

|-

|style="background-color: " |

| 2017

| Emmanuel Macron

| LREM

| 78.82

| Marine Le Pen

| FN

| 21.18

|-

|style="background-color: " |

| 2012

| François Hollande

| PS

| 65.32

| Nicolas Sarkozy

| UMP

| 34.68

|-

|style="background-color: " |

| 2007

| Ségolène Royal

| PS

| 56.54

| Nicolas Sarkozy

| UMP

| 43.46

|-

|style="background-color: " |

| 2002

| Lionel Jospin

| PS

| 51.84

| Jacques Chirac

| RPR

| 48.16

|}

Current National Assembly Representatives

thumb|Seine-Saint-Denis's constituencies for the National Assembly

{| class="wikitable"

|-

!colspan="2"|Constituency!!Member!!Party

|-

|style="background-color: " |

| Seine-Saint-Denis's 1st constituency

| Éric Coquerel

| La France Insoumise

|-

|style="background-color: " |

| Seine-Saint-Denis's 2nd constituency

| Stéphane Peu

| French Communist Party

|-

|style="background-color: " |

| Seine-Saint-Denis's 3rd constituency

| Thomas Portes

| La France Insoumise

|-

|style="background-color: " |

| Seine-Saint-Denis's 4th constituency

| Soumya Bourouaha

| French Communist Party

|-

|style="background-color: " |

| Seine-Saint-Denis's 5th constituency

| Aly Diouara

| Seine-Saint-Denis at Heart!

|-

|style="background-color: " |

| Seine-Saint-Denis's 6th constituency

| Bastien Lachaud

| La France Insoumise

|-

|style="background-color: " |

| Seine-Saint-Denis's 7th constituency

| Alexis Corbière

| L'Après

|-

|style="background-color: " |

| Seine-Saint-Denis's 8th constituency

| Fatiha Keloua Hachi

| Socialist Party

|-

|style="background-color: " |

| Seine-Saint-Denis's 9th constituency

| Aurélie Trouvé

| La France Insoumise

|-

|style="background-color: " |

| Seine-Saint-Denis's 10th constituency

| Nadège Abomangoli

| La France Insoumise

|-

|style="background-color: " |

| Seine-Saint-Denis's 11th constituency

| Clémentine Autain

| L'Après

|-

|style="background-color: " |

| Seine-Saint-Denis's 12th constituency

| Jérôme Legavre

| Independent Workers' Party

|}

Tourism

<gallery>

File:Louis XVI et Marie-Antoinette.jpg|Memorial to King Louis XVI and Queen Marie Antoinette in Basilica of St Denis

File:Musée de l'Air et de l'Espace.jpg|Aerospace Museum in

File:Finale Coupe de France 2010-2011 (Lille LOSC vs Paris SG PSG).jpg|

File:Sevran - Canal de l Ourcq 4.jpg|

</gallery>

References

Further reading

  • Seine-Saint-Denis Departmental Council
  • Prefecture website
  • Seine-Saint-Denis Tourist Board