26.19% of Purwakarta Regency's population in 2023 was aged 0-14 years.

In 2023, the majority of Purwakarta Regency's population was in the productive age group (15-59 years old), totaling 668,590 or 64.49% of the total population. Children (0-14 years old) and the elderly (over 60 years old) comprised 26.19% and 9.32%, respectively.

The population of Purwakarta Regency was recorded at 1.03 million people as of June 2023. This figure increased compared to December 2021 and is higher than in December 2020. Over the past five years, the Compound Annual Growth Rate (CAGR) of the population in this region was 1.55%. This growth is higher than the growth in the previous five years, which was recorded at 0.99%.

Based on the total population of West Java Province, this regency ranks 21st. When considering the island level, it ranks 72nd.

The following is the population distribution by age group in Purwakarta Regency in June 2023, sourced from the Central Bureau of Statistics (BPS) publication:

* Age 0-4 years: 81,170 people (7.88%)
* Age 5-9 years: 96,270 people (9.35%)
* Age 10-14 years: 94,140 people (9.14%)
* Age 15-19 years: 72,680 people (7.06%)
* Age 20-24 years: 88,860 people (8.63%)
* Age 25-29 years: 84,670 people (8.22%)
* Age 30-34 years: 80,980 people (7.87%)
* Age 35-39 years: 75,400 people (7.32%)
* Age 40-44 years: 79,910 people (7.76%)
* Age 45-49 years: 70,720 people (6.87%)
* Age 50-54 years: 65,590 people (6.37%)
* Age 55-59 years: 49,770 people (4.83%)
* Age 60-64 years: 36,830 people (3.58%)
* Age 65-69 years: 25,110 people (2.44%)
* Age 70-74 years: 16,100 people (1.56%)
* Age 75 years and over: 18,550 people (1.8%)