Growth and structure of the population in 2022 Municipality of Le Chesnay-Rocquencourt (78158)

Detailed figures

Paru le :26/06/2025

This municipality has experienced contour changes since 2013:

  • 01/01/2019 – Le Chesnay devient commune déléguée (chef-lieu) au sein du Chesnay-Rocquencourt (78158) (commune nouvelle).
  • 01/01/2019 – Création de la commune nouvelle du Chesnay-Rocquencourt en lieu et place des communes du Chesnay (78158) et de Rocquencourt (78524) devenues déléguées.

In the case of a merger, when the geography of the source indicated under the table / graph is after the date of the merger, the data correspond to those of the new municipality.

POP T0 - Population estimates by age range

POP T0 - Population estimates by age range
Age 2011 % 2016 % 2022 %
Altogether 32 443 100,0 31 324 100,0 31 064 100,0
0 to 14 years old 5 565 17,2 5 357 17,1 5 022 16,2
15 to 29 years old 5 672 17,5 5 101 16,3 5 045 16,2
30 to 44 years old 6 318 19,5 5 609 17,9 5 112 16,5
45 to 59 years old 6 355 19,6 6 156 19,7 6 254 20,1
60 to 74 years old 5 312 16,4 5 522 17,6 5 304 17,1
75 and over 3 221 9,9 3 579 11,4 4 328 13,9
  • Sources: Insee, RP2011, RP2016 and RP2022, main operations, geography as of 01/01/2025.

POP G2 - Population estimates by age range

POP G2 - Population estimates by age range
2011 2016 2022
0 to 14 years old 17,2 17,1 16,2
15 to 29 years old 17,5 16,3 16,2
30 to 44 years old 19,5 17,9 16,5
45 to 59 years old 19,6 19,7 20,1
60 to 74 years old 16,4 17,6 17,1
75 and over 9,9 11,4 13,9
  • Sources: Insee, RP2011, RP2016 and RP2022, main operations, geography as of 01/01/2025.

POP G2 - Population estimates by age range

  • Sources: Insee, RP2011, RP2016 and RP2022, main operations, geography as of 01/01/2025.

POP T1 - Population since 1968: population and average density (residents per square kilometre)

POP T1 - Population since 1968: population and average density (residents per square kilometre)
Population and average density 1968(*) 1975(*) 1982 1990 1999 2006 2011 2016 2022
Population 15 070 26 815 31 681 33 413 31 748 32 803 32 443 31 324 31 064
Average density (inhab / km²) 2 146,7 3 819,8 4 513,0 4 759,7 4 522,5 4 672,8 4 621,5 4 462,1 4 425,1
  • (*) 1967 and 1974 for overseas departments (DOM)
  • The data proposed is established for the same geographical scope, in the geography in force on 01/01/2025.
  • Sources: Insee, RP1967 to 1999 counts, RP2011 to RP2022 main holdings.

POP T2M - Demographic indicators since 1968

POP T2M - Demographic indicators since 1968
Demographic indicators 1968 to 1975 1975 to 1982 1982 to 1990 1990 to 1999 1999 to 2006 2006 to 2011 2011 to 2016 2016 to 2022
Average annual change in population in % 8,6 2,4 0,7 –0,6 0,5 –0,2 –0,7 –0,1
due to the natural balance in % 1,7 1,2 1,0 0,7 0,6 0,4 0,3 0,0
due to the apparent balance of inflows and outflows in % 6,9 1,2 –0,3 –1,3 –0,1 –0,6 –1,0 –0,2
Natality rate (‰) 23,1 17,6 15,6 13,2 12,4 11,0 10,0 9,0
Mortality rate (‰) 6,4 5,5 5,5 6,1 6,4 7,0 7,4 8,7
  • The data proposed is established for the same geographical scope, in the geography in force on 01/01/2025
  • Sources: Insee, RP1968 to 1999 counts, RP2011 to RP2022 main holdings - Civil status

POP T3 - Population by age and sex in 2022

POP T3 - Population by age and sex in 2022
Age Male % Female %
Altogether 14 420 100,0 16 644 100,0
0 to 14 years old 2 579 17,9 2 443 14,7
15 to 29 years old 2 490 17,3 2 555 15,3
30 to 44 years old 2 442 16,9 2 670 16,0
45 to 59 years old 3 037 21,1 3 216 19,3
60 to 74 years old 2 278 15,8 3 025 18,2
75 to 89 years old 1 410 9,8 2 312 13,9
90 years and over 184 1,3 423 2,5
  • Source: Insee, RP2022 main operation, geography as of 01/01/2025.

POP T3bis - Population by age and sex in 2022

POP T3bis - Population by age and sex in 2022
Age Male % Female %
Ensemble 14 420 100,0 16 644 100,0
0 to 19 years old 3 628 25,2 3 399 20,4
20 to 64 years old 7 744 53,7 8 445 50,7
65 and over 3 048 21,1 4 800 28,8
  • Source: Insee, RP2022 main operation, geography as of 01/01/2025.

POP T4 - Home address 1 year before the study

POP T4 - Home address 1 year before the study
Home adress 2011 % 2016 % 2022 %
People one year old and over, previously living 32 063 100,0 31 027 100,0 30 818 100,0
In the same house 28 691 89,5 27 009 87,1 27 680 89,8
In another house in the same town 1 053 3,3 1 251 4,0 873 2,8
In another town 2 320 7,2 2 767 8,9 2 264 7,3
  • Source: Insee, RP2022 main operation, geography as of 01/01/2025.

POP G3 - Home address 1 year before for people living in another house, by age in %

POP G3 - Home address 1 year before for people living in another house, by age in %
In another house in the same town In another town
1 to 14 years old 31,3 68,7
15 to 24 years old 23,0 77,0
25 to 54 years old 26,8 73,2
55 years old and over 31,8 68,2
  • Source: Insee, RP2022 main operation, geography as of 01/01/2025.

POP G3 - Home address 1 year before for people living in another house, by age in %

  • Source: Insee, RP2022 main operation, geography as of 01/01/2025.

POP T5 - Population aged 15 years and over by current or previous socio-professional group

POP T5 - Population aged 15 years and over by current or previous socio-professional group
Socioprofessional group 2011 % 2016 % 2022 %
Altogether 26 875 100,0 26 027 96,8 25 994 100,0
Farmer operators 11 0,0 3 0,0 0 0,0
Craftsmen, traders, business leaders 767 2,9 756 2,8 829 3,2
Managers and higher intellectual professions 6 518 24,3 6 241 23,2 6 553 25,2
Middle-level occupations 4 212 15,7 3 965 14,8 3 521 13,5
Services employee 3 284 12,2 3 074 11,4 2 736 10,5
Blue-collar workers 944 3,5 884 3,3 823 3,2
Retirees 6 802 25,3 7 125 26,5 7 540 29,0
Other people with no professional activity 4 338 16,1 3 979 14,8 3 993 15,4
  • Sources: Insee, RP2011, RP2016 and RP2022, additional operations, geography as of 01/01/2025.

POP T6 - Population aged 15 years and over by sex, age and current or previous socio-professional group in 2022

POP T6 - Population aged 15 years and over by sex, age and current or previous socio-professional group in 2022
Socioprofessional group Male Female Share in % of the population aged
15 to 24 years old 25 to 54 years old 55 years and over
Altogether 11 890 14 105 100,0 100,0 100,0
Farmer operators 0 0 0,0 0,0 0,0
Craftsmen, traders, business leaders 605 224 0,2 5,1 2,4
Managers and higher intellectual professions 3 790 2 762 4,9 43,0 15,1
Middle-level occupations 1 309 2 212 9,8 22,9 6,0
Services employee 907 1 829 11,5 16,8 4,4
Blue-collar workers 678 144 4,6 4,8 1,2
Retirees 3 068 4 472 0,0 0,0 65,2
Other people with no professional activity 1 532 2 461 69,0 7,4 5,7
  • Source: Insee, RP2022 additional operation, geography as of 01/01/2025.