Actually, Silent Hill 2 takes place in the late '70s or early '80s

One of the original creators has spoken on the exact chronology

What year is SH2 set in? : r/silenthill

Silent Hill (video game), Silent Hill Wiki

Silent Hill 2 A Complete History and Retrospective

Welcome To The Nightmare — Silent Hill 2 (2001)

Silent Hill' is back, say the rumours - but what does that mean?

The 100 Most Significant Political Films of All Time

Silent Hill 2 still looks pretty nice on PC these days : r/silenthill

Masahiro Ito has spoken : r/silenthill

When does Silent Hill take place?

Silent Hill 3 is actually BEFORE Silent Hill 2 : r/silenthill

If Silent Hill takes place in the 80s, how come we see 90s album ads? : r/ silenthill