Ostrov is a municipality and village in Příbram District in the Central Bohemian Region of the Czech Republic. It has about 200 inhabitants.

Demographics

Historical population

Year	Pop.	±%
1869	300	—
1880	299	−0.3%
1890	312	+4.3%
1900	274	−12.2%
1910	261	−4.7%
1921	255	−2.3%
1930	215	−15.7%
1950	174	−19.1%
1961	146	−16.1%
1970	118	−19.2%
1980	101	−14.4%
1991	85	−15.8%
2001	89	+4.7%
2011	105	+18.0%
2021	141	+34.3%
Source: Censuses