Urban Studies and Planning Commons^™

Certified Population Estimates 2015, Portland State University. Population Research Center

Oregon Population Estimates and Reports

Certified Population Estimates for Oregon and Its Counties. This item also contains estimates for Incorporated Cities/Towns.

Tigard-Tualatin School District Enrollment Forecast Update 2016-17 To 2025-26, Portland State University. Population Research Center, Charles Rynerson, Nicholas Chun, Scott Stewart

School District Enrollment Forecast Reports

This report presents the results of a demographic study conducted by the Portland State University Population Research Center (PRC) for the Tigard‐Tualatin School District (TTSD). The study includes analysis of population, housing and enrollment trends affecting the District in recent years, estimates of the impacts of housing development on TTSD enrollment, and forecasts of district‐wide and individual school enrollments for the 2016‐17 to 2025‐26 school years.

Summary Of 2015 Estimates Findings, Based On Preliminary Estimates, Portland State University. Population Research Center

Oregon Population Estimates and Reports

Summary of the 2015 estimates findings.

Gresham-Barlow School District Enrollment Forecast 2016-2017 To 2025-26, Portland State University. Population Research Center, Charles Rynerson, Scott Stewart

School District Enrollment Forecast Reports

This report presents a range of three scenarios of district‐wide enrollment forecasts by grade level for the Gresham‐Barlow School District (GBSD) for the 10 year period between 2016‐17 and 2025‐26. Each enrollment forecast scenario is related to population forecasts that incorporate different assumptions about growth within the District, with the primary differences being the contribution of net migration to the District’s population and age distribution. Individual school forecasts consistent with the middle range scenario are also presented for the 10 year period.

Coordinated Population Forecast For Klamath County, Its Urban Growth Boundaries (Ugb), And Area Outside Ugbs 2015-2065, Portland State University. Population Research Center, Xiaomin Ruan, Risa Proehl, Jason R. Jurjevich, Kevin Rancik, Janai Kessi, Carson Gorecki, David Tetrick

Oregon Population Forecast Program

Different growth patterns occur in different parts of the county, and the local trends within the UGBs and the area outside UGBs collectively influence population growth rates for the county as a whole.

Klamath County’s total population has grown slowly since 2000 with average annual growth rates of less than one percent between 2000 and 2010 (Figure 1); however, some of its sub-areas experienced more rapid population growth during the 2000s. Malin and the area outside UGBs posted the highest average annual growth rates at 2.4 and 0.7 percent, respectively, during the 2000 to 2010 period.

Klamath County’s positive population …

Reynolds School District Population And Enrollment Forecasts, 2015-16 To 2024-25, Portland State University. Population Research Center, Charles Rynerson, Scott Stewart

School District Enrollment Forecast Reports

This report presents the results of a demographic study conducted by the Portland State University Population Research Center (PRC). The study includes analysis of population, housing and enrollment trends affecting the Reynolds School District (RSD) in recent years and forecasts of district‐wide and individual school enrollments for the 2015‐16 to 2024‐25 school years.

Coordinated Population Forecast For Coos County, Its Urban Growth Boundaries (Ugb), And Area Outside Ugbs 2015-2065, Portland State University. Population Research Center, Xiaomin Ruan, Risa Proehl, Jason R. Jurjevich, Kevin Rancik, Janai Kessi, Carson Gorecki, David Tetrick

Oregon Population Forecast Program

Different growth patterns occur in different parts of the county, and these local trends within the UGBs and the area outside UGBs collectively influence population growth rates for the county as a whole.

Coos County’s total population has grown slowly since 2000; with average annual growth rates of nearly zero between 2000 and 2010 (Figure 1); however some of its sub-areas experienced more population growth during the 2000s. Lakeside and Bandon, for example, posted the highest average annual growth rates at 2.2 and 0.6 percent, respectively, during the 2000 to 2010 period.

Coos County’s positive population growth in the 2000s …

Coordinated Population Forecast For Josephine County, Its Urban Growth Boundaries (Ugb), And Area Outside Ugbs 2015-2065, Portland State University. Population Research Center, Xiaomin Ruan, Risa Proehl, Jason R. Jurjevich, Kevin Rancik, Janai Kessi, Carson Gorecki, David Tetrick

Oregon Population Forecast Program

Different growth patterns occur in different parts of the county and these local trends within the UGBs and the area outside UGBs collectively influence population growth rates for the county as a whole.

Josephine County’s total population as a whole has grown slowly since 2000; with an average annual growth rate of less than one percent between 2000 and 2010 (Figure 1); however some of its sub-areas experienced more rapid population growth during the 2000s. Grants Pass and Cave Junction posted average annual growth rates at 2.1 and 1.6 percent, respectively, during the 2000 to 2010 period.

Josephine County’s positive …

Coordinated Population Forecast For Jefferson County, Its Urban Growth Boundaries (Ugb), And Area Outside Ugbs 2015-2065, Portland State University. Population Research Center, Xiaomin Ruan, Risa Proehl, Jason R. Jurjevich, Kevin Rancik, Janai Kessi, Carson Gorecki, David Tetrick

Oregon Population Forecast Program

Different growth patterns occur in different parts of the county and these local trends within the UGBs and the area outside UGBs collectively influence population growth rates for the county as a whole.

Jefferson County’s total population has grown steadily since 2000, with average annual growth rates of a little more than one percent between 2000 and 2010 (Figure 1); however some of its sub-areas experienced more rapid population growth during the 2000s. Culver posted the highest average annual growth rate 5.4 percent during the 2000 to 2010 period.

Jefferson County’s positive population growth in the 2000s was the result …

Coordinated Population Forecast For Jackson County, Its Urban Growth Boundaries (Ugb), And Area Outside Ugbs 2015-2065, Portland State University. Population Research Center, Xiaomin Ruan, Risa Proehl, Jason R. Jurjevich, Kevin Rancik, Janai Kessi, Carson Gorecki, David Tetrick

Oregon Population Forecast Program

Different growth patterns occur in different parts of the county and these local trends within the UGBs and the area outside UGBs collectively influence population growth rates for the county as a whole.

Jackson County’s total population has grown steadily since 2000, with an average annual growth rate of above one percent between 2000 and 2010 (Figure 1); however some of its sub-areas experienced more rapid population growth during the 2000s. Eagle Point and Central Point UGBs posted the highest average annual growth rates at 5.6 and 2.9 percent, respectively, during the 2000 to 2010 period.

Jackson County’s positive population …

Coordinated Population Forecast For Douglas County, Its Urban Growth Boundaries (Ugb), And Area Outside Ugbs 2015-2065, Portland State University. Population Research Center, Xiaomin Ruan, Risa Proehl, Jason R. Jurjevich, Kevin Rancik, Janai Kessi, Carson Gorecki, David Tetrick

Oregon Population Forecast Program

Different growth patterns occur in different parts of the County and these local trends within the UGBs and the area outside UGBs collectively influence population growth rates for the county as a whole.

Douglas County’s total population has grown slowly since 2000, with average annual growth rates of less than one percent between 2000 and 2010 (Figure 1); however, some of its sub-areas experienced more rapid population growth during the 2000s. Sutherlin, the second most populous UGB, and Canyonville posted the highest average annual growth rates at 1.7 and 3.0 percent, respectively, during the 2000 to 2010 period.

Douglas County’s …

Coordinated Population Forecast For Deschutes County, Its Urban Growth Boundaries (Ugb), And Area Outside Ugbs 2015-2065, Portland State University. Population Research Center, Xiaomin Ruan, Risa Proehl, Jason R. Jurjevich, Kevin Rancik, Janai Kessi, Carson Gorecki, David Tetrick

Oregon Population Forecast Program

Different growth patterns occur in different parts of the county and these local trends within the UGBs and the area outside UGBs collectively influence population growth rates for the county as a whole.

Deschutes County’s total population has grown rapidly since 2000, with an average annual growth rate of more than three percent between 2000 and 2010 (Figure 1); in addition, most of its sub-areas experienced even more rapid population growth during the 2000s. Sisters and La Pine posted the highest average annual growth rates at 7.8 and 6.3 percent, respectively, during the 2000 to 2010 period.

Deschutes County’s positive …

Coordinated Population Forecast For Lane County, Its Urban Growth Boundaries (Ugb), And Area Outside Ugbs 2015-2065, Portland State University. Population Research Center, Xiaomin Ruan, Risa Proehl, Jason R. Jurjevich, Kevin Rancik, Janai Kessi, Carson Gorecki, David Tetrick

Oregon Population Forecast Program

Different growth patterns occur in different parts of the county and these local trends within the UGBs and the area outside UGBs collectively influence population growth rates for the county as a whole.

Lane County’s total population has grown steadily since 2000; with an average annual growth rate of just under one percent between 2000 and 2010 (Figure 1); however some of its sub-areas experienced more rapid population growth during the 2000s. Veneta and Creswell posted the highest average annual growth rates at 5.2 and 3.1 percent, respectively, during the 2000 to 2010 period.

Lane County’s positive population growth in …

Coordinated Population Forecast For Curry County, Its Urban Growth Boundaries (Ugb), And Area Outside Ugbs 2015-2065, Portland State University. Population Research Center, Xiaomin Ruan, Risa Proehl, Jason R. Jurjevich, Kevin Rancik, Janai Kessi, Carson Gorecki, David Tetrick

Oregon Population Forecast Program

Different growth patterns occur in different parts of the County and these local trends within the UGBs and the area outside UGBs collectively influence population growth rates for the county as a whole.

Curry County’s total population has grown slowly since 2000; with an average annual growth rate of less than one percent between 2000 and 2010 (Figure 1); however some of its sub-areas experienced more rapid population growth during the 2000s. Gold Beach posted the highest average annual growth rate at one percent during the 2000 to 2010 period.

Curry County’s positive population growth in the 2000s was the …

Coordinated Population Forecast For Crook County, Its Urban Growth Boundaries (Ugb), And Area Outside Ugbs 2015-2065, Portland State University. Population Research Center, Xiaomin Ruan, Risa Proehl, Jason R. Jurjevich, Kevin Rancik, Janai Kessi, Carson Gorecki, David Tetrick

Oregon Population Forecast Program

Different growth patterns occur in different parts of the County and these local trends within the Prineville UGB and the area outside the UGB collectively influence population growth rates for the county as a whole.

Crook County’s total population has grown slowly since 2000; with average annual growth rates of less than one percent between 2000 and 2010 (Figure 1); however the area outside the Prineville UGB experienced more rapid population growth during the 2000s. Prineville, the only UGB, posted an average annual growth rate of 0.6 percent, while the area outside the UGB grew at an average annual rate …

2014 Annual Population Report Tables (April 22, 2015), Portland State University. Population Research Center

Oregon Population Estimates and Reports

This item contains Oregon population tables. Prepared by Population Research Center, Portland State University, April, 2015.

Annexations and other revisions can be found in the attached supplemental files.

North Clackamas School District Population And Enrollment Forecasts 2015‐16 To 2024‐25, Portland State University. Population Research Center, Charles Rynerson, Nicholas Chun

School District Enrollment Forecast Reports

This report presents the results of a demographic study conducted by the Portland State University Population Research Center (PRC). The study includes analysis of population, housing and enrollment trends affecting the North Clackamas School District (NCSD) in recent years and forecasts of district‐wide and individual school enrollments for the 2015‐16 to 2024‐25 school years.

Mcminnville School District Enrollment Forecasts 2015-16 To 2024-25, Portland State University. Population Research Center, Charles Rynerson, Nicholas Chun

School District Enrollment Forecast Reports

This report presents the results of a demographic study conducted by the Portland State University Population Research Center (PRC) for the McMinnville School District (MSD). The study includes analysis of population, housing and enrollment trends affecting the District in recent years and forecasts of district‐wide enrollments for a ten year period from 2015‐16 to 2024‐25 and of individual schools for a five year period from 2015‐16 to 2019‐20.

Oregon City School District Enrollment Forecasts 2016-17 To 2025-26, Portland State University. Population Research Center, Charles Rynerson, Scott Stewart

School District Enrollment Forecast Reports

This report presents a range of three scenarios of district‐wide enrollment forecasts by grade level for the Oregon City School District (OCSD) for the 10 year period between 2016‐17 and 2025‐26. Each enrollment forecast scenario is related to population forecasts that incorporate different assumptions about growth within the District, with the primary differences being the contribution of net migration to the District’s population and age distribution. Individual school forecasts consistent with the middle range scenario are also presented for the 10 year period.

Estimates Of Population Age Groups (Ages Under 18 Yrs., 18-64 Yrs., And 65 Yrs. And Over) For Oregon And Its Counties, July 1, 2014, Portland State University. Population Research Center, Risa Proehl

Oregon Population Estimates and Reports

Estimates of population age groups for Oregon and its counties.

Methods And Data For Developing Coordinated Population Forecasts, Portland State University. Population Research Center

Publications, Reports and Presentations

This document is to accompany the coordinated population forecasts and their corresponding reports prepared by the Population Research Center (PRC).

Developing long-term coordinated population forecasts for a county and its sub-areas (UGBs and areas outside UGBs are referred to sub-areas in this document), requires these main stages: 1) compiling and evaluating historical and recent data to ascertain demographic characteristics and trends in the study area and to obtain a population base from which the forecasts may be launched; 2) making assumptions about the future and adjusting the data or rates in the forecasting models (calibrating the models) to incorporate predicted …