 Out of Iowa's 99 counties, CMHI serves the public mental health needs of 41 counties for adults and 56 for adolescents.CMHI receives 530 inpatient admission per year, has an average daily inpatient census of 44 patients, and an average length of stay of 25 days.Most of the south wing, also known as CCUSO, or the Civil Commitment Unit for Sexual Offenders, is surrounded by prison-grade fencing.