Jefferson County, OR
Jefferson County
Population: 19,009
Population Density: 10.7 per square mile

Water Area Percentage: 0.58% (10.38 square miles)
Land Area Percentage: 99.42% (1,780.78 square miles)
Total Area: 1,791.17 square miles
Housing Units: 8,319 per square mile

County Links




Lakes In Jefferson County
Olallie Lake

Cities In Jefferson County
Ashwood
Camp Sherman
Culver
Madras
Sisters
Terrebonne
Warm Springs







Quick Links
Diamond Valley Lake News
Diamond Valley Lake Photos
Diamond Valley Lake Videos




About Us
Contact Us
Site Map
Search Site
Advertise With Us
   
DiamondValley.LakesOnline.com
THE DIAMOND VALLEY LAKE WEBSITE

Copyright 2026, Lakes Online
Privacy    |    Legal