Nassau County, NY - overview

Population by Age Cohort

Age Cohort	2019 Population	2024 Population	Change	% Change	2024 % of Cohort
Under 5 years	74,246	71,499	-2,747	-4%	5.13%
5 to 9 years	80,429	81,429	1,000	1%	5.85%
10 to 14 years	83,880	87,096	3,216	4%	6.25%
15 to 19 years	84,899	87,927	3,028	4%	6.31%
20 to 24 years	83,921	83,011	-910	-1%	5.96%
25 to 29 years	82,206	81,160	-1,046	-1%	5.83%
30 to 34 years	77,618	80,968	3,350	4%	5.81%
35 to 39 years	81,674	85,316	3,642	4%	6.13%
40 to 44 years	82,154	89,358	7,204	9%	6.42%
45 to 49 years	87,244	88,113	869	1%	6.33%
50 to 54 years	96,088	90,097	-5,991	-6%	6.47%
55 to 59 years	102,223	95,541	-6,682	-7%	6.86%
60 to 64 years	93,080	97,800	4,720	5%	7.02%
65 to 69 years	76,273	85,846	9,573	13%	6.17%
70 to 74 years	60,649	68,718	8,069	13%	4.94%
75 to 79 years	41,591	52,080	10,489	25%	3.74%
80 to 84 years	29,736	32,902	3,166	11%	2.36%
85 years and over	38,162	33,577	-4,585	-12%	2.41%

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