Colorado Springs, Colorado. Population Suburban Knob Hill to be annexed. Brings population total to 115,000. ITIN 0 14, 1967 p.61 Population figures from 1880 to 1943- Hospitalization P.30 Pams: Forts (by name) Carson. 1939-1945 Hospitals Metropolitan area population on increase. Pd,!N Mr 1, 1971 P-32 Nears 250,000 figure. RMN Ap 25, 1971 p.64 0