class: center, middle, inverse, title-slide .title[ # Oregon Population Forecast Program ] .subtitle[ ## Proposal Forecasts for Counties & UGBs ] .author[ ### Lake County ] .institute[ ### Portland State University Population Research Center ] .date[ ### March 2026 ] --- class: center # Comments or Questions? ## Contact PSUPRC Email: [askprc@pdx.edu](mailto:askprc@pdx.edu) Telephone: 503-725-3922 ## Proposal Population Projections https://www.pdx.edu/population-research/population-forecasts --- class: center # PSUPRC Project Team .pull-left[ **Huda Alkitkat, PhD.** *Population Estimates Manager* **Seth Dowden** *Research Assistant* **Neal Marquez, PhD.** *Population Forecast Manager* **Gilbert Montcho, PhD.** *Demographic & Labor Econ Analyst* **Scott Nordstrom, PhD.** *Post-Doctoral Researcher* ] .pull-right[ **Ethan Sharygin, PhD.** *Director* **Aja Sutton, PhD.** *Post-Doctoral Researcher* **David Swanson, PhD.** *Research Associate* **Suniva Thangaraj** *Program Manager* **Joshua Wilde, PhD.** *Research Scientist* ] --- # Lake County Outline - Introduction - Updates - County Overview - UGB Forecasts <style type="text/css"> .pulll-left { float: left; width: 20%; } .pulll-right { float: right; width: 68%; } </style> <style type="text/css"> .pux-left { float: left; width: 38%; } .pux-right { float: right; width: 58%; } </style> <style type="text/css"> .puz-left { float: left; width: 58%; } .puz-right { float: right; width: 38%; } </style> <style type="text/css"> .city table { font-size: 14px; } </style> --- # PSUPRC OPFP Population Forecasts .puz-left[ - For the purposes of land use planning PSUPRC generates population forecasts - For counties, urban growth boundaries (UGBs), and areas outside UGBs - These forecasts must - Be updated at least every four years - Cover a 50 year forecast horizon - Include most up to date data - Allow for public input/objections - Methods & results publicly available ] .puz-right[  ] --- # Oregon Population Forecast Program Cycle  --- # Methods Review: Cohort Component Method .pux-left[ - For Counties - Births = Females 15-50 * Birth Rate - Both number of and rate of births in OR decreasing - Deaths = All Population * Death Rate - While number of deaths are increasing rate of deaths decreasing - Migration = Past migration events - Average of past migration is most likely scenario moving forward ] .pux-right[  ] --- # Methods Review: Housing Unit Method .pull-left[ - For UGBs - `\(P_t = P_{t-1} + \Delta HU*PPH*OCC\)` - `\(PPH\)`: Persons per household - Estimated from most recent census data - `\(OCC\)`: Occupancy Rate - Estimated from most recent census data - `\(\Delta HU\)`: annual change in housing units - Modeled based on past housing unit growth trends ] .pull-right[  ] --- # After this meeting - Email for further follow up - March 30, 2026 forecast discussion period ends - Chance to formally appeal until May 15, 2026 - Will review appeals in the following week - No further changes will be made after May 22, 2026 - Reports and data tables will be available June 15, 2026 --- class: center, middle, inverse # Updates --- # Survey and Preliminary Meeting Feedback - Received housing and general survey responses from over 20 organizations - Updated GIS UGB boundary lines - Account for large public works alter housing development trajectories - Incorporate group quarter expansions - Adjusted housing unit productions - Housing build moratoriums - General concerns - Restrictions on development - Access to others responses --- # Incoporation of 2025 Certified Estimates  --- # Slowing Growth Across the State  --- # Changes in Vital Trends  --- # International Migration  --- # Domestic Mobility  --- class: center, middle, inverse # Lake County --- # Lake in the News  --- # Summary of Considerations - Lake County's population growth has been consistent but slow - Further deceleration is expected in the coming years - Comments suggest alignment in slowing of growth - No changes made --- # Lake at a Glance: 2020 Census <table> <thead> <tr> <th style="text-align:left;"> Statistic </th> <th style="text-align:left;"> Lake </th> <th style="text-align:left;"> Oregon </th> </tr> </thead> <tbody> <tr> <td style="text-align:left;"> Total Population </td> <td style="text-align:left;"> 8,160 </td> <td style="text-align:left;"> 4,237,256 </td> </tr> <tr> <td style="text-align:left;"> Population Aged 0-17 </td> <td style="text-align:left;"> 18.86% </td> <td style="text-align:left;"> 20.20% </td> </tr> <tr> <td style="text-align:left;"> Population Aged 65+ </td> <td style="text-align:left;"> 25.49% </td> <td style="text-align:left;"> 18.25% </td> </tr> <tr> <td style="text-align:left;"> Population non-White </td> <td style="text-align:left;"> 13.84% </td> <td style="text-align:left;"> 23.41% </td> </tr> <tr> <td style="text-align:left;"> Persons per Household </td> <td style="text-align:left;"> 2.25 (4,195 units) </td> <td style="text-align:left;"> 2.48 (1,813,747 units) </td> </tr> </tbody> </table> --- # Lake Employment Changes
--- # Lake Migration Flows
--- # Lake Population .pulll-left[ Lake's population is expected to continue to grow albeit at a rate slower than observed in the past. ] .pulll-right[
] --- # Lake Compositional Changes .pulll-left[ Natural change has been on the decline, lowering the impact of positive net migration. ] .pulll-right[
] --- # Lake Births .pulll-left[ Births in the county have remained steady amid stable fertility rates. ] .pulll-right[
] --- # Lake Deaths .pulll-left[ Deaths have continued to rise as the population ages. ] .pulll-right[
] --- # Lake Life Expectancy & TFR <img src="Lake_files/figure-html/unnamed-chunk-12-1.png" width="750px" height="500px" /> --- # Population Pyramids .pulll-left[ The population structure of the county is expected to remain relatively stable due to migration and higher than average fertility rates. ] .pulll-right[
] --- # Lake Race and Ethnicity .pulll-left[ Growth in the county has been strongly driven by growth among the Hispanic population. ] .pulll-right[
] --- # Lake UGB Population Changes <img src="Lake_files/figure-html/unnamed-chunk-15-1.png" width="850px" height="500px" /> --- class: city # Lake UGBs: Lakeview in Context .pux-right[ <img src="Lake_files/figure-html/unnamed-chunk-16-1.png" width="800px" height="400px" /> ] .pux-left[ <table> <thead> <tr> <th style="text-align:left;"> Metric </th> <th style="text-align:left;"> 1980 </th> <th style="text-align:left;"> 2000 </th> <th style="text-align:left;"> 2020 </th> </tr> </thead> <tbody> <tr> <td style="text-align:left;"> Pop 65+ </td> <td style="text-align:left;"> 13.94% </td> <td style="text-align:left;"> 19.56% </td> <td style="text-align:left;"> 30.81% </td> </tr> <tr> <td style="text-align:left;"> Housing Units </td> <td style="text-align:left;"> 1,149 </td> <td style="text-align:left;"> 1,220 </td> <td style="text-align:left;"> 1,211 </td> </tr> <tr> <td style="text-align:left;"> Housing Occupancy </td> <td style="text-align:left;"> 93.82% </td> <td style="text-align:left;"> 85.00% </td> <td style="text-align:left;"> 88.93% </td> </tr> <tr> <td style="text-align:left;"> Persons Per Household </td> <td style="text-align:left;"> 2.53 </td> <td style="text-align:left;"> 2.34 </td> <td style="text-align:left;"> 2.20 </td> </tr> <tr> <td style="text-align:left;"> Household Income </td> <td style="text-align:left;"> $17,885 </td> <td style="text-align:left;"> $30,960 </td> <td style="text-align:left;"> $52,574 </td> </tr> <tr> <td style="text-align:left;"> Employment Rate </td> <td style="text-align:left;"> 89.20% </td> <td style="text-align:left;"> 93.35% </td> <td style="text-align:left;"> 92.54% </td> </tr> </tbody> </table> ] --- # Lake County: Lakeview UGB Boundaries
--- # Lakeview UGB Pop Forecast <img src="Lake_files/figure-html/unnamed-chunk-19-1.png" width="750px" height="500px" /> --- # Lakeview UGB Pop Forecast <img src="Lake_files/figure-html/unnamed-chunk-20-1.png" width="750px" height="500px" /> --- class: city # Lake UGBs: Paisley in Context .pux-right[ <img src="Lake_files/figure-html/unnamed-chunk-21-1.png" width="800px" height="400px" /> ] .pux-left[ <table> <thead> <tr> <th style="text-align:left;"> Metric </th> <th style="text-align:left;"> 1980 </th> <th style="text-align:left;"> 2000 </th> <th style="text-align:left;"> 2020 </th> </tr> </thead> <tbody> <tr> <td style="text-align:left;"> Pop 65+ </td> <td style="text-align:left;"> 9.62% </td> <td style="text-align:left;"> 23.89% </td> <td style="text-align:left;"> 23.60% </td> </tr> <tr> <td style="text-align:left;"> Housing Units </td> <td style="text-align:left;"> 154 </td> <td style="text-align:left;"> 176 </td> <td style="text-align:left;"> 134 </td> </tr> <tr> <td style="text-align:left;"> Housing Occupancy </td> <td style="text-align:left;"> 84.42% </td> <td style="text-align:left;"> 65.34% </td> <td style="text-align:left;"> 76.12% </td> </tr> <tr> <td style="text-align:left;"> Persons Per Household </td> <td style="text-align:left;"> 2.64 </td> <td style="text-align:left;"> 2.15 </td> <td style="text-align:left;"> 2.32 </td> </tr> <tr> <td style="text-align:left;"> Household Income </td> <td style="text-align:left;"> $14,231 </td> <td style="text-align:left;"> $28,214 </td> <td style="text-align:left;"> $44,609 </td> </tr> <tr> <td style="text-align:left;"> Employment Rate </td> <td style="text-align:left;"> 87.10% </td> <td style="text-align:left;"> 94.69% </td> <td style="text-align:left;"> 91.23% </td> </tr> </tbody> </table> ] --- # Lake County: Paisley UGB Boundaries
--- # Paisley UGB Pop Forecast <img src="Lake_files/figure-html/unnamed-chunk-24-1.png" width="750px" height="500px" /> --- # Paisley UGB Pop Forecast <img src="Lake_files/figure-html/unnamed-chunk-25-1.png" width="750px" height="500px" /> --- class: center # Comments or Questions? ## Contact PSUPRC Email: [askprc@pdx.edu](mailto:askprc@pdx.edu) Telephone: 503-725-3922 ## Proposal Population Projections https://www.pdx.edu/population-research/population-forecasts