| Stadt (⇳) | Staat (⇳) | Region (⇳) | Fläche (⇳) | akt. Wachstum 2025 (⇳) | Einwohner | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 2025 | 2030 | 2040 | 2050 | 2060 | |||||
| Westfield | United States (i) | Massachusetts (i) | 45 km² | 0 % |
41,000
|
40,000
|
41,000
|
42,000
|
40,000
|
39,000
|
| Region | Land | Fläche | akt. Wachstum 2025 | Einwohner | |||||
|---|---|---|---|---|---|---|---|---|---|
| 2020 | 2025 | 2030 | 2040 | 2050 | 2060 | ||||
| Massachusetts | United States (i) | 27,337 km² | -0.2 % |
7,029,000
|
7,149,000
|
7,032,000
|
6,800,000
|
6,873,000
|
7,355,000
|
| Staat (Code) | Fläche | akt. Wachstum 2025 | Einwohner | |||||
|---|---|---|---|---|---|---|---|---|
| 2020 | 2025 | 2030 | 2040 | 2050 | 2060 | |||
| United States (US) | 9,809,155 km² | 0.1 % |
331,435,000
|
341,252,000
|
341,451,000
|
338,161,000
|
344,140,000
|
360,393,000
|