Bevölkerungsentwicklung – Northeim
Bevölkerung (Jahresende)
Jährliche Komponenten
| Jahr | Bevölkerung | Geburten | Sterbefälle | Natürlicher Saldo | Wanderungssaldo |
| 2024 |
125.623 |
913 |
2.000 |
-1.087 |
405 |
| 2023 |
126.310 |
971 |
2.126 |
-1.155 |
857 |
| 2022 |
126.598 |
992 |
2.187 |
-1.195 |
2.710 |
| 2021 |
131.765 |
1.127 |
2.038 |
-911 |
924 |
| 2020 |
131.772 |
1.062 |
1.924 |
-862 |
371 |
| 2019 |
132.285 |
1.031 |
1.875 |
-844 |
344 |
| 2018 |
132.765 |
1.005 |
1.928 |
-923 |
572 |
| 2017 |
133.046 |
1.024 |
1.922 |
-898 |
355 |
| 2016 |
133.610 |
1.068 |
1.904 |
-836 |
-384 |
| 2015 |
134.896 |
983 |
1.869 |
-886 |
1.869 |
| 2014 |
133.905 |
996 |
1.839 |
-843 |
81 |
| 2013 |
134.661 |
955 |
1.871 |
-916 |
132 |
| 2012 |
135.418 |
904 |
1.816 |
-912 |
-208 |
| 2011 |
136.516 |
908 |
1.790 |
-882 |
-521 |
| 2010 |
139.060 |
966 |
1.884 |
-918 |
-585 |
| 2009 |
140.553 |
924 |
1.836 |
-912 |
-850 |
| 2008 |
142.321 |
1.046 |
1.846 |
-800 |
-924 |
| 2007 |
144.044 |
1.035 |
1.749 |
-714 |
-730 |
| 2006 |
145.488 |
1.024 |
1.756 |
-732 |
-471 |
| 2005 |
146.690 |
1.078 |
1.796 |
-718 |
-371 |
| 2004 |
147.772 |
1.119 |
1.890 |
-771 |
93 |
| 2003 |
148.451 |
1.161 |
1.916 |
-755 |
-139 |
| 2002 |
149.345 |
1.165 |
1.830 |
-665 |
-90 |
| 2001 |
150.100 |
1.211 |
1.809 |
-598 |
-414 |
| 2000 |
151.112 |
1.408 |
1.786 |
-378 |
-355 |
| 1999 |
151.845 |
1.405 |
1.873 |
-468 |
202 |
| 1998 |
152.111 |
1.426 |
1.864 |
-438 |
-439 |
| 1997 |
152.988 |
1.626 |
1.975 |
-349 |
-273 |
| 1996 |
153.610 |
1.442 |
1.942 |
-500 |
-76 |
| 1995 |
154.186 |
1.408 |
2.029 |
-621 |
607 |