| 时期 |
横山区 （万人） |
子洲县 （万人） |
差值 |
|---|---|---|---|
| 2024 | -- | ||
| 2023 | -- | ||
| 2022 | -- | ||
| 2021 | -- | ||
| 2020 | -- | ||
| 2019 | -- | ||
| 2018 | 28.80 | 14.70 | -14.10 |
| 2017 | 29.10 | 15.40 | -13.70 |
| 2016 | 29.20 | 15.90 | -13.30 |
| 2015 | 29.50 | 16.50 | -13.00 |
| 2014 | 29.80 | 16.20 | -13.60 |
| 2013 | 29.30 | 16.40 | -12.90 |
| 2012 | 28.95 | 16.80 | -12.15 |
| 2011 | 28.80 | 17.20 | -11.60 |
| 2010 | 36.04 | 17.41 | -18.63 |
| 2009 | 28.76 | 17.37 | -11.39 |
| 2008 | 28.72 | 25.95 | -2.77 |
| 2007 | 28.54 | 25.87 | -2.67 |
| 2006 | 28.51 | 25.83 | -2.68 |
| 2005 | 33.76 | 33.08 | -0.68 |
| 2000 | 32.71 | 32.12 | -0.59 |
| 1995 | 30.64 | 29.96 | -0.68 |
| 1990 | 28.66 | 27.41 | -1.25 |
| 1985 | 23.89 | 23.76 | -0.13 |
| 1980 | 21.63 | 21.17 | -0.46 |
| 1978 | 21.17 | 20.30 | -0.87 |
| 1975 | 21.10 | 20.50 | -0.60 |
| 1970 | 19.61 | 18.99 | -0.62 |
| 1965 | 17.48 | 17.22 | -0.26 |
| 1962 | 16.20 | 16.18 | -0.02 |
| 1957 | 13.63 | 14.00 | 0.37 |
| 1952 | 9.38 | 11.51 | 2.13 |
| 1949 | 6.79 | 10.62 | 3.83 |