| 年份 | 兰州人口(万人) | 天水人口(万人) | 对比差值(万人) |
|---|---|---|---|
| 2024 | - | ||
| 2023 | - | ||
| 2022 | - | ||
| 2021 | - | ||
| 2020 | - | ||
| 2019 | - | ||
| 2018 | - | ||
| 2017 | 414.31 | 307.21 | 107.10 |
| 2016 | 405.66 | 309.08 | 96.58 |
| 2015 | 397.89 | 311.55 | 86.34 |
| 2014 | 390.56 | 314.66 | 75.90 |
| 2013 | 383.41 | 317.48 | 65.93 |
| 2012 | 377.11 | 321.20 | 55.91 |
| 2011 | 368.73 | 323.54 | 45.19 |
| 2010 | 361.91 | 326.63 | 35.28 |
| 2009 | 332.18 | 343.07 | -10.89 |
| 2008 | 331.01 | 342.59 | -11.58 |
| 2007 | 329.43 | 341.32 | -11.89 |
| 2006 | 327.01 | 340.79 | -13.78 |
| 2005 | 314.96 | 340.46 | -25.50 |
| 2004 | 305.07 | 347.78 | -42.71 |
| 2003 | 299.81 | 345.64 | -45.83 |
| 2002 | 296.39 | 343.20 | -46.81 |
| 2001 | 294.86 | 340.77 | -45.91 |
| 2000 | 293.44 | 338.49 | -45.05 |
| 1999 | 290.90 | 332.75 | -41.85 |
| 1998 | - | 328.67 | -328.67 |
| 1997 | - | 325.05 | -325.05 |
| 1996 | - | 321.12 | -321.12 |
| 1995 | - | 312.55 | -312.55 |
| 1990 | - | 292.29 | -292.29 |
| 1985 | - | 268.67 | -268.67 |
| 1980 | - | 249.45 | -249.45 |
| 1978 | - | 241.24 | -241.24 |
