62.34% of Situbondo Regency's population in 2023 was aged 15-59 years.

The majority of the population in this region, or about 62.34%, are of working age, namely 15-59 years old, totaling 426,640. According to a 2023 publication by the Central Statistics Agency (BPS), the number reached 426,640. The remaining population consists of those aged 0-14 years (children) at approximately 18.97% and 18.69% are in the elderly group aged over 60 years.

The population of Situbondo Regency was recorded at 684,340 in 2023. This figure has increased. Over the past five years, the Compound Annual Growth Rate (CAGR) of the population in this region has been 0.13%. This growth is lower than the growth recorded in the previous five years, which was 0.48%.

Compared to other districts/cities in East Java Province, Situbondo Regency ranks 30th in terms of population. When grouped by island, this district/city ranks 96th.

The following is the population by age in Situbondo Regency as of December 2023, sourced from a publication by the Central Statistics Agency (BPS):

* Age 0-4 years: 39,030 (5.7%)
* Age 5-9 years: 44,460 (6.5%)
* Age 10-14 years: 46,300 (6.77%)
* Age 15-19 years: 43,210 (6.31%)

* Age 20-24 years: 48,980 (7.16%)
* Age 25-29 years: 45,840 (6.7%)
* Age 30-34 years: 44,380 (6.49%)
* Age 35-39 years: 45,500 (6.65%)
* Age 40-44 years: 52,010 (7.6%)
* Age 45-49 years: 50,800 (7.42%)
* Age 50-54 years: 50,740 (7.41%)
* Age 55-59 years: 45,170 (6.6%)
* Age 60-64 years: 40,390 (5.9%)
* Age 65-69 years: 31,150 (4.55%)
* Age 70-74 years: 23,800 (3.48%)
* Age 75 years and over: 32,560 (4.76%)