Certified Lane County 2018 Population EstimatesFebruary 4, 2019 Certified 2018 population estimates from Portland State University’s Population Research Center show that Oregon gained 54,200 residents in 2018, for a growth rate of 1.3 percent. The 2018 growth rate was a little slower than the 1.6 percent recorded in 2017.
Deschutes County was the fastest growing county, adding 6,050 for a 3.3 percent increase. Washington County added the most with 10,420, reaching a growth rate of 1.7 percent. Lane County was the 10th fastest growing out of Oregon’s 36 counties, adding 4,520 or 1.2 percent.
Lane County was the state’s fourth most populous county with 375,120 residents, placing after Multnomah (813,300), Washington (606,280) and Clackamas (419,425).
Lane County’s fastest growing city was Coburg, adding 10.1 percent, which was an addition of 110 people. Lane County’s largest city, Eugene, gained 1,915 or 1.1 percent to reach 169,695 people.
Lane County’s unincorporated areas added more residents (1,995) and grew faster (2.0%) than any of its incorporated areas.