The decline of the Baby Boom Generation: Census Bureau estimates by single year of age for U.S. indicate Baby Boom generation (born circa 1946-1964) has decreased more than 10 million since 2010, with more than half the decline occurring over the last five years.

Census Bureau county estimates, 2025, Wisconsin: New estimates indicate that manufacturing-focused counties have experienced strong in-migration this decade. In first half of 2010s, this group of counties had negative migration.​

Census Bureau county estimates, 2025, Wisconsin: New estimates indicate that suburban counties have experienced strong in-migration this decade. In first half of 2010s, this group of counties had negative migration.

Census Bureau county estimates, 2025, Wisconsin: New estimates indicate that recreation-focused counties (also popular for retirees) have experienced strong in-migration this decade. In first half of 2010s, recreational counties had negative migration.​

Census Bureau county estimates, 2025, Wisconsin: New estimates indicate that three of the top five gainers in percentage terms since the 2020 Census are rural counties (Adams, Lafayette, Forest). Adams and Forest have experienced strong in-migration; Lafayette has state’s second highest birth rate.​

Census Bureau county estimates, 2025, Wisconsin: Newly-released estimates indicate Dane County has added the most residents since the 2020 Census. Other top numeric gainers are all metropolitan counties; 3 of top 10 are the Milwaukee suburbs (Waukesha, Ozaukee, Washington).​

1/ Has life expectancy fully recovered from the COVID-19 pandemic? In a new pre-print, we find that 31 of 34 high-income countries had still not returned to their expected life expectancy trajectories five years after the onset of the COVID-19 pandemic. www.medrxiv.org/content/10.6... #demography

Census Bureau state estimates, 2025, net migration rates in Midwest states: In terms of net migration, Wisconsin’s gain of 2.50 additional residents per 1,000 places it 5th among the 12 Midwest states (as defined by the Census Bureau).

Census Bureau state estimates, 2025, rate of population change in Midwest states: Wisconsin’s gain of 2.54 additional residents per 1,000 places it 9th among the 12 Midwest states (as defined by the Census Bureau).

Census Bureau state estimates, 2025, population change in Midwest states: In numeric terms, Wisconsin’s gain of about 78,500 residents places it 5th among the 12 Midwest states (as defined by the Census Bureau).

Census Bureau state estimates, 2025, components of change: Most population change in Wisconsin is due to net migration (more people moving in than out). International migration was strong for several years because of humanitarian refugees, but declined in the past year, as it did in the U.S.

Census Bureau state estimates, 2025: New estimates indicate that Wisconsin’s population has increased 78,500 people or 1.3% since the 2020 Census. After a slight decline from 2020 to 2021, the state has averaged 23,000 additional residents over the past four years.

Whither the Boomers? Census Bureau 2024 estimates by single year of age for United States indicate Baby Boom generation (born circa 1946-1964) has slipped below 70 million. Boomers are 10 million fewer than in 2010 and have lost more than 1 million per year over last four years.

Census Bureau 2024 estimates by single year of age, United States: Ten largest cohorts are now all "thirty-somethings," ages 30-39.

Updated "Wisconsin's Graying Population" map (county percentages age 65 & over) based on Census 2020 now posted at cdn.apl.wisc.edu/publications...

Mortality in Wisconsin, the "long view:" Annual deaths dating back to 1905, around the time when the state began collecting vital statistics. Years where the counts passed a 10,000 threshold highlighted, as well as the COVID-19 peak.

Mortality in Wisconsin, 2023: After exceeding 60,000 annually from 2020 through 2022, deaths in Wisconsin in2023 were more in line with the pattern seen in 12 years before the COVID-19 pandemic.

The demographics of North Carolina’s foreign-born population, by Carolina Demography Director Nathan Dollar. carolinademography.cpc.unc.edu/2025/01/31/t...

Fewer births, migration to cities, and school choice are behind declining enrollment in NC public schools, said Carolina Demography Director Nathan Dollar. www.wunc.org/education/20...

Our two papers on abortion bans and fertility/infant mortality are now out. In 14 states w/ abortion bans, fertility increased 1.7% and infant mortality increased 6%. Key takeaway is that these impacts were disproportionately felt among those w/ greatest structural disadvantages. Links below.

📍New #publication from CDE's Clayton Adamson, Katherine Curtis & @whatspsays.bsky.social in Spatial Demography finds that higher economic complexity more strongly associates with population growth and net in-migration in non-metro contexts ➡️Read more: doi.org/10.1007/s409...

Wisconsin population age pyramids, 1960 - 2020: With the aging of the Baby Boom generation, a more appropriate label may be a "population urn."

A colleague asked whether I thought the government would continue the public release of its data products. The data from CDC health monitoring surveys, decades of data on mortality, crime data, climate data of a variety of types that go back for years, etc. 1/

Great turnout at the #AmericanCommunitySurvey on the Road workshop in NYC! @prbdata.bsky.social

via @appliedpoplab @apluw.bsky.social Notes from APL November & December 2024 mailchi.mp/754e58cac6bc... Bluesky Migration Drives State Population Growth Recent data shows positive net migration to Wisconsin over the past two years. Nearly all population gain since 2020 is due to net migration...

via @WA_OFM Population change: natural increase and net migration | Washington state population. Population change is comprised of two major components -- natural increase and net migration. Natural increase (births minus deaths) is the more stable component... ofm.wa.gov/washington-d...

The chance of dying in a given year is roughly double for men compared to women for most of their lives -and in their mid-twenties, it triples. That's how the gender gap in life expectancy adds up. #demography #population #gender #Europe

via @WisconsinDOA DOA Population Projections, produced in 2024, based from 2020 Census: State and County Population Projections 2020-2050: A Brief Summary of Findings Adobe PDF... https://doa.wi.gov/P... (via Google CSE)

APL demographer David Egan-Robertson addressed the Chippewa Falls Area School District's board about future enrollment: www.leadertelegram.com/news/daily-u...

Census Bureau state estimates, 2024, net migration rates since 2020 Census: Wisconsin's rate ranks 5th among 12 Midwest states. Strong net migration gains in S. Dakota.

Census Bureau state estimates, 2024, components of population change since 2020 Census: Since the COVID-19 pandemic, Wisconsin's natural change (births-deaths) has become slightly positive. Nearly all population gain since 2020 is due to net migration gains, particularly in international migration.

Census Bureau state estimates, 2024, annual rate of change since 2020: With states having varying population sizes, rates are more equitable comparison. Wisconsin ranks 8th of 12. Very high growth rate for S. Dakota.

Census Bureau state estimates, 2024, numeric change since 2020 Census: Wisconsin has gained nearly 67,000 people (1.1%). Among Midwest states, IL has only numeric loss, IN has highest numeric increase.

Young Americans are marrying later, and it looks like more of them will remain unmarried Updated with new data from the National Survey of Family Growth

via @PADCornell This new article from the Cornell Chronicle discusses our newly released population projections out to the year 2050 for New York State- "If the demographic trends in the state do not change, its population will continue to decline".

Campop blog #22: Queen Elizabeth II died of 'old age' - a rare cause today but common in the past. The history of this cause of death can tell us about changes in medical provision, medical knowledge and acceptable causes of death @camunicampop.bsky.social www.campop.geog.cam.ac.uk/blog/2024/11...

Wisconsin housing construction, a long-range view: Annual changes in single- and multi-family housing stock since 1990. Multi-family units started increasing in 2010 and have surpassed single-family units in five of the past eight years.

Wisconsin housing construction, 2023: Number of new single-family units was about 12% lower than in 2021; units in multi-family buildings was about 15% lower than two years prior.

Wisconsin housing construction, a long-range view: Annual net changes in housing stock since 1990. Net gain topped 30,000 from 1992 through 2005, before the Great Recession hit.

Wisconsin housing construction slowed for the second straight year in 2023. Net change in the state's housing stock was down about 13% from 2021. But the net gains of the past four years have all been well above those in the 2014-19 period.

Population by Single Year of Age, 2023, WI and US: Based on U.S. Census Bureau estimates, 7 of 10 largest single-year cohorts in Wisconsin are Baby Boomers; nationally, the 10 largest cohorts are 29 to 38.

Applied Pop Lab's enrollment projections cited in article on Madison Metro School District's referendum: madison.com/news/local/e...

"For the sixth time in its 86-year history, the Rural Sociological Society (RSS) held its annual meeting in Madison, Wisconsin." ruralpartners.wisc.edu/2024/08/16/r...

Census Bureau municipal estimates, 7/1/2023, Wisconsin, change since 2020: 6 of top 10 percentage decliners (min. 1,000 population) have large group quarters populations (correctional facilities or university residence halls).

Census Bureau municipal estimates, 7/1/2023, Wisconsin, change since 2020: 8 of top 10 percentage gainers (min. 1,000 population) are suburbs; Wisconsin Dells and Germantown are recreational/retirement communities. Lannon added 62% to its housing stock from 2020 through 2022.

Census Bureau municipal estimates, 7/1/2023, Wisconsin, change since 2020: State's top 10 numeric decliners are mostly good-sized cities (37K and larger). Loss in Milwaukee city is about -1% per year.

Census Bureau municipal estimates, 7/1/2023, Wisconsin, change since 2020: Of state's top 10 numeric gainers, 6 are in Dane County.

And any jokes about fractions are divisive due to how they appeal to the lowest common denominator.

The problem with math jokes is that calculus jokes are all derivative, trigonometry jokes are too graphic, algebra jokes are formulaic, and arithmetic jokes are pretty basic.