Tailhac (French pronunciation: [tajak]) is a commune in the Haute-Loire department in south-central France.
| Year | Pop. | ±% p.a. |
|---|---|---|
| 1968 | 95 | — |
| 1975 | 86 | −1.41% |
| 1982 | 79 | −1.21% |
| 1990 | 68 | −1.86% |
| 1999 | 73 | +0.79% |
| 2009 | 85 | +1.53% |
| 2014 | 74 | −2.73% |
| 2020 | 72 | −0.46% |
| Source: INSEE[3] | ||