From 2011 to 2019, the population remained relatively stable, fluctuating between 5,700 and 6,200 residents. During this period, South Nyack maintained characteristics of a dense suburban neighborhood, with population densities ranging from 3,300 to 3,700 people per square mile.

The years 2020 and 2021 saw another notable decline in population, dropping to 5,607 and then 5,097 respectively. This decrease coincided with the global COVID-19 pandemic.

As of 2022, the population has slightly rebounded to 5,158, with a density of 3,069 people per square mile. This current density still classifies South Nyack as a dense suburban area.

South Nyack's location along the Hudson River likely influences its character and appeal. The village's proximity to water may provide recreational opportunities and scenic views.

The estimated 1,976 housing units for the 2022 population, based on the national average household size, suggests a mix of housing types to accommodate various family sizes and lifestyles.

In conclusion, South Nyack has undergone significant demographic changes over the past decade, transitioning from a very densely populated area to a more moderately dense suburban environment. It maintains characteristics of a well-established suburban community.