Population in Heidelberg, Stadtkreis 13 indicators covering population for Heidelberg, Stadtkreis. IndicatorLatest Year10-yr change Rank Assumptions for fertility rates by age, type of projection and NUTS 3 1.55 Number 2100 up 3.3% 1169th Demographic balances and indicators by type of projection and NUTS 3 r 1,603 2100 down 3.8% 827th Live births (total) by NUTS 3 region 1,249 Number 2024 down 11.7% 1486th Population density by NUTS 3 region 1,453 Persons per square kilometre 2024 up 3.2% 160th Population on 1 January by broad age group, sex and NUTS 3 region 155,756 Number 2025 up 0.7% 1555th Population change - Demographic balance and crude rates at regional le 626 2024 down 73.1% 1259th Population on 1st January by age group, sex, type of projection and NU 154,271 Person 2100 up 0.3% 713th Population structure indicators by type of projection and NUTS3 region 68.3 2100 up 3.3% 1152nd Assumptions for total fertility rates, type of projection and NUTS 3 r 1.37 Number 2095 up 3.5% 1132nd Projected life expectancy at birth, by sex, type of projection and NUT 88.8 Year 2095 up 1.3% 319th Demographic balances by type of projection and NUTS3 region 7,445 2095 down 0.8% 847th Population on 1 January by age group, sex and NUTS 3 region 155,756 Number 2025 up 0.7% 1554th Live births by age group of the mothers and NUTS 3 region 1,249 Number 2024 down 11.7% 1486th