Bekasi City's population was 2.54 million in 2020.

The 2020 Population Census (SP) recorded a population of 2.54 million in Bekasi City, an increase of 208,000 from the 2010 SP results. This comprises 1.28 million males and 1.26 million females.

Bekasi Utara sub-district has the largest population in Bekasi City, reaching 337,010 (13.25%) of the total population. Meanwhile, Bantargebang sub-district has the smallest population, at only 107,220 (4.22%).

By age group, 72.56% of Bekasi City's population is of productive age (15-64 years). This indicates that Bekasi City is still experiencing a demographic bonus. 7.91% are non-productive/elderly (over 65 years), and 19.53% are non-productive (0-14 years).

Based on William H. Frey's generational groupings, 11.27% of Bekasi City's population is Post Gen Z (born 2013 and later). 26.58% are Gen Z (born 1997-2012), 27.67% are Millennials (born 1981-1996), 22.75% are Gen X (born 1965-1980), 10.81% are Baby Boomers (born 1946-1964), and 0.92% are Pre-Boomers (born before 1945).

Bekasi City is one of the regencies/cities in West Java Province, covering an area of 210.49 square kilometers, consisting of 12 sub-districts and 56 urban villages. Bekasi City also borders directly with DKI Jakarta.