Welcome to Oliver County ...Time Zone: Oliver County lies in the Central Time Zone (CST/CDT) and observes daylight saving time. The community of Center is the Seat for Oliver County. Oliver County was founded in 1885. From the Census Estimates for 2019, <1> Oliver had a population of 1,959 people. This is an increase of 6.41% since the last Census (which gave a population of 1,841 people in 2010). At the time of the 2010 Census, Oliver represented 0.27% of the total population of North Dakota. Websites of Interest ...
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