Nassau County, NY - overview

Population by Age Cohort

Age Cohort	2018 Population	2023 Population	Change	% Change	2023 % of Cohort
Under 5 years	74,527	72,130	-2,397	-3%	5.22%
5 to 9 years	80,079	81,285	1,206	2%	5.88%
10 to 14 years	84,559	86,858	2,299	3%	6.29%
15 to 19 years	86,133	87,466	1,333	2%	6.33%
20 to 24 years	85,771	81,512	-4,259	-5%	5.9%
25 to 29 years	81,217	80,604	-613	-1%	5.83%
30 to 34 years	77,347	79,715	2,368	3%	5.77%
35 to 39 years	81,271	84,162	2,891	4%	6.09%
40 to 44 years	81,704	88,908	7,204	9%	6.43%
45 to 49 years	89,756	86,924	-2,832	-3%	6.29%
50 to 54 years	99,122	91,762	-7,360	-7%	6.64%
55 to 59 years	102,602	97,819	-4,783	-5%	7.08%
60 to 64 years	92,087	97,359	5,272	6%	7.05%
65 to 69 years	74,972	84,352	9,380	13%	6.1%
70 to 74 years	58,025	66,995	8,970	15%	4.85%
75 to 79 years	40,263	49,437	9,174	23%	3.58%
80 to 84 years	29,640	31,438	1,798	6%	2.28%
85 years and over	38,348	32,989	-5,359	-14%	2.39%

Source: Lightcast

Population By Race

Source: Lightcast

Median Home Prices by County

High School Graduation Rates

By Subgroup

Source: State of NY

Population by Educational Attainment

Source: Lightcast

Cost of Living Index

100 = U.S. Average

Source: Lightcast

Crime Rate Index

1 to 100; 1 = Less Crime

Source: Lightcast