class: center, middle, inverse, title-slide .title[ # Oregon Population Forecast Program ] .subtitle[ ## Proposal Forecasts for Counties & UGBs ] .author[ ### Klamath 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* ] --- # Klamath 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 # Klamath County --- # Summary of Considerations - Population growth is slowing - High mortality rate, increasing since 2015 - Negative natural change will hamper growth - New developments and GQ expansions expected to increase growth - County and Klamath Falls population forecasts are up from last December --- # Klamath at a Glance: 2020 Census <table> <thead> <tr> <th style="text-align:left;"> Statistic </th> <th style="text-align:left;"> Klamath </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;"> 69,413 </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;"> 21.78% </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;"> 21.48% </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;"> 19.65% </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;"> 2.39 (32,730 units) </td> <td style="text-align:left;"> 2.48 (1,813,747 units) </td> </tr> </tbody> </table> --- # Klamath Employment Changes
--- # Klamath Migration Flows
--- # Klamath Population .pulll-left[ Klamath's population is expected to increase, albeit slower than what has been observed in the past. ] .pulll-right[
] --- # Klamath Compositional Changes .pulll-left[ Natural change has been on the decline, lowering the impact of positive net migration. ] .pulll-right[
] --- # Klamath Births .pulll-left[ Births of the county have fallen amid declining fertility rates. ] .pulll-right[
] --- # Klamath Deaths .pulll-left[ Deaths have been on the rise as the population continues to age. ] .pulll-right[
] --- # Klamath Life Expectancy & TFR <img src="Klamath_files/figure-html/unnamed-chunk-12-1.png" width="750px" height="500px" /> --- # Population Pyramids .pulll-left[ Growth of the population 65 and older is expected to make the composition of the county more "top-heavy". ] .pulll-right[
] --- # Klamath Race and Ethnicity .pulll-left[ Klamath is expected to continue to diversify as the White population slows in growth. ] .pulll-right[
] --- # Klamath UGB Population Changes <img src="Klamath_files/figure-html/unnamed-chunk-15-1.png" width="850px" height="500px" /> --- class: city # Klamath UGBs: Bonanza in Context .pux-right[ <img src="Klamath_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;"> 12.59% </td> <td style="text-align:left;"> 11.81% </td> <td style="text-align:left;"> 46.53% </td> </tr> <tr> <td style="text-align:left;"> Housing Units </td> <td style="text-align:left;"> 126 </td> <td style="text-align:left;"> 152 </td> <td style="text-align:left;"> 175 </td> </tr> <tr> <td style="text-align:left;"> Housing Occupancy </td> <td style="text-align:left;"> 79.37% </td> <td style="text-align:left;"> 91.45% </td> <td style="text-align:left;"> 83.43% </td> </tr> <tr> <td style="text-align:left;"> Persons Per Household </td> <td style="text-align:left;"> 2.70 </td> <td style="text-align:left;"> 2.99 </td> <td style="text-align:left;"> 2.77 </td> </tr> <tr> <td style="text-align:left;"> Household Income </td> <td style="text-align:left;"> $12,143 </td> <td style="text-align:left;"> $31,944 </td> <td style="text-align:left;"> $90,313 </td> </tr> <tr> <td style="text-align:left;"> Employment Rate </td> <td style="text-align:left;"> 95.10% </td> <td style="text-align:left;"> 92.71% </td> <td style="text-align:left;"> 96.73% </td> </tr> </tbody> </table> ] --- # Klamath County: Bonanza UGB Boundaries
--- # Bonanza UGB Pop Forecast <img src="Klamath_files/figure-html/unnamed-chunk-19-1.png" width="750px" height="500px" /> --- # Bonanza UGB Pop Forecast <img src="Klamath_files/figure-html/unnamed-chunk-20-1.png" width="750px" height="500px" /> --- class: city # Klamath UGBs: Chiloquin in Context .pux-right[ <img src="Klamath_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;"> 9.25% </td> <td style="text-align:left;"> 11.73% </td> <td style="text-align:left;"> 16.04% </td> </tr> <tr> <td style="text-align:left;"> Housing Units </td> <td style="text-align:left;"> 288 </td> <td style="text-align:left;"> 290 </td> <td style="text-align:left;"> 358 </td> </tr> <tr> <td style="text-align:left;"> Housing Occupancy </td> <td style="text-align:left;"> 87.15% </td> <td style="text-align:left;"> 88.62% </td> <td style="text-align:left;"> 84.08% </td> </tr> <tr> <td style="text-align:left;"> Persons Per Household </td> <td style="text-align:left;"> 3.10 </td> <td style="text-align:left;"> 2.79 </td> <td style="text-align:left;"> 2.55 </td> </tr> <tr> <td style="text-align:left;"> Household Income </td> <td style="text-align:left;"> $11,118 </td> <td style="text-align:left;"> $20,688 </td> <td style="text-align:left;"> $40,781 </td> </tr> <tr> <td style="text-align:left;"> Employment Rate </td> <td style="text-align:left;"> 71.31% </td> <td style="text-align:left;"> 67.14% </td> <td style="text-align:left;"> 74.78% </td> </tr> </tbody> </table> ] --- # Klamath County: Chiloquin UGB Boundaries
--- # Chiloquin UGB Pop Forecast <img src="Klamath_files/figure-html/unnamed-chunk-24-1.png" width="750px" height="500px" /> --- # Chiloquin UGB Pop Forecast <img src="Klamath_files/figure-html/unnamed-chunk-25-1.png" width="750px" height="500px" /> --- class: city # Klamath UGBs: Klamath Falls in Context .pux-right[ <img src="Klamath_files/figure-html/unnamed-chunk-26-1.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;"> 13.49% </td> <td style="text-align:left;"> 12.76% </td> <td style="text-align:left;"> 15.68% </td> </tr> <tr> <td style="text-align:left;"> Housing Units </td> <td style="text-align:left;"> 7,364 </td> <td style="text-align:left;"> 8,722 </td> <td style="text-align:left;"> 9,979 </td> </tr> <tr> <td style="text-align:left;"> Housing Occupancy </td> <td style="text-align:left;"> 90.86% </td> <td style="text-align:left;"> 90.76% </td> <td style="text-align:left;"> 91.08% </td> </tr> <tr> <td style="text-align:left;"> Persons Per Household </td> <td style="text-align:left;"> 2.37 </td> <td style="text-align:left;"> 2.36 </td> <td style="text-align:left;"> 2.30 </td> </tr> <tr> <td style="text-align:left;"> Household Income </td> <td style="text-align:left;"> $13,353 </td> <td style="text-align:left;"> $28,498 </td> <td style="text-align:left;"> $46,695 </td> </tr> <tr> <td style="text-align:left;"> Employment Rate </td> <td style="text-align:left;"> 86.67% </td> <td style="text-align:left;"> 89.35% </td> <td style="text-align:left;"> 92.14% </td> </tr> </tbody> </table> ] --- # Klamath County: Klamath Falls UGB Boundaries
--- # Klamath Falls UGB Pop Forecast <img src="Klamath_files/figure-html/unnamed-chunk-29-1.png" width="750px" height="500px" /> --- # Klamath Falls UGB Pop Forecast <img src="Klamath_files/figure-html/unnamed-chunk-30-1.png" width="750px" height="500px" /> --- class: city # Klamath UGBs: Malin in Context .pux-right[ <img src="Klamath_files/figure-html/unnamed-chunk-31-1.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;"> 16.70% </td> <td style="text-align:left;"> 9.87% </td> <td style="text-align:left;"> 6.02% </td> </tr> <tr> <td style="text-align:left;"> Housing Units </td> <td style="text-align:left;"> 224 </td> <td style="text-align:left;"> 217 </td> <td style="text-align:left;"> 277 </td> </tr> <tr> <td style="text-align:left;"> Housing Occupancy </td> <td style="text-align:left;"> 91.96% </td> <td style="text-align:left;"> 92.17% </td> <td style="text-align:left;"> 93.50% </td> </tr> <tr> <td style="text-align:left;"> Persons Per Household </td> <td style="text-align:left;"> 2.62 </td> <td style="text-align:left;"> 3.19 </td> <td style="text-align:left;"> 2.82 </td> </tr> <tr> <td style="text-align:left;"> Household Income </td> <td style="text-align:left;"> $12,500 </td> <td style="text-align:left;"> $29,750 </td> <td style="text-align:left;"> $52,500 </td> </tr> <tr> <td style="text-align:left;"> Employment Rate </td> <td style="text-align:left;"> 96.89% </td> <td style="text-align:left;"> 90.73% </td> <td style="text-align:left;"> 93.75% </td> </tr> </tbody> </table> ] --- # Klamath County: Malin UGB Boundaries
--- # Malin UGB Pop Forecast <img src="Klamath_files/figure-html/unnamed-chunk-34-1.png" width="750px" height="500px" /> --- # Malin UGB Pop Forecast <img src="Klamath_files/figure-html/unnamed-chunk-35-1.png" width="750px" height="500px" /> --- class: city # Klamath UGBs: Merrill in Context .pux-right[ <img src="Klamath_files/figure-html/unnamed-chunk-36-1.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;"> 13.97% </td> <td style="text-align:left;"> 15.83% </td> <td style="text-align:left;"> 13.89% </td> </tr> <tr> <td style="text-align:left;"> Housing Units </td> <td style="text-align:left;"> 351 </td> <td style="text-align:left;"> 380 </td> <td style="text-align:left;"> 338 </td> </tr> <tr> <td style="text-align:left;"> Housing Occupancy </td> <td style="text-align:left;"> 90.88% </td> <td style="text-align:left;"> 90.53% </td> <td style="text-align:left;"> 90.83% </td> </tr> <tr> <td style="text-align:left;"> Persons Per Household </td> <td style="text-align:left;"> 2.54 </td> <td style="text-align:left;"> 2.61 </td> <td style="text-align:left;"> 2.67 </td> </tr> <tr> <td style="text-align:left;"> Household Income </td> <td style="text-align:left;"> $11,136 </td> <td style="text-align:left;"> $23,304 </td> <td style="text-align:left;"> $52,708 </td> </tr> <tr> <td style="text-align:left;"> Employment Rate </td> <td style="text-align:left;"> 89.30% </td> <td style="text-align:left;"> 90.95% </td> <td style="text-align:left;"> 89.72% </td> </tr> </tbody> </table> ] --- # Klamath County: Merrill UGB Boundaries
--- # Merrill UGB Pop Forecast <img src="Klamath_files/figure-html/unnamed-chunk-39-1.png" width="750px" height="500px" /> --- # Merrill UGB Pop Forecast <img src="Klamath_files/figure-html/unnamed-chunk-40-1.png" width="750px" height="500px" /> --- class: center # Comments or Questions? ## Contact PSUPRC Email: [askprc@pdx.edu](mailto:askprc@pdx.edu) Telephone: 503-725-3922 ## Preliminary Population Projections https://www.pdx.edu/population-research/population-forecasts