Founded on 9 April 1945, it plays in Segunda Federación – Group 1, holding home games at Nuevo Estadio Los Pajaritos.
Having spent a long time in the Tercera División, the club made consistent progress, reaching the first division on three occasions: 1999, 2004 and 2008.
In the 1998–99 season, Numancia finished third in Segunda, only behind Málaga CF and Atlético Madrid B, meaning the promotion to the top tier.
Following a 1–3 loss at Sporting de Gijón on 2 November 2008, Numancia had conceded a total of 200 goals in the top division in slightly more than three seasons, reaching 44th in the all-time list.
The numbers are established according to the official website: www.cdnumancia.com and www.lfp.es Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.