| 年份 | 怀来县人口(万人) | 张北县人口(万人) | 对比差值(万人) |
|---|---|---|---|
| 2023 | - | ||
| 2022 | - | ||
| 2021 | - | ||
| 2020 | - | ||
| 2019 | - | ||
| 2018 | - | ||
| 2017 | 36.99 | 29.88 | 7.10 |
| 2016 | 36.37 | 30.38 | 5.99 |
| 2015 | 36.17 | 30.33 | 5.84 |
| 2014 | 35.87 | 30.31 | 5.56 |
| 2013 | 35.82 | 30.26 | 5.56 |
| 2012 | 35.62 | 30.26 | 5.36 |
| 2011 | 35.45 | 30.10 | 5.35 |
| 2010 | 35.25 | 29.86 | 5.39 |
| 2009 | 33.82 | 28.64 | 5.18 |
| 2008 | 32.76 | 28.45 | 4.31 |
| 2007 | 32.64 | 28.40 | 4.24 |
| 2006 | 32.55 | 28.32 | 4.23 |
| 2005 | 32.26 | 28.19 | 4.07 |
| 2004 | 32.30 | 28.21 | 4.10 |
