Nassau County is a diverse, progressive and nationally competitive region with many family-friendly elements.
Nassau County, NY

Demographics
Population
1,407,290
Median Household Income
$126.6K

Population by Age Cohort

Age Cohort
2018 Population
2023 Population
Change
% Change
2023 % of Cohort
Under 5 years74,527
72,130
-2,397
5.22%
5 to 9 years80,079
81,285
1,206
5.88%
10 to 14 years84,559
86,858
2,299
6.29%
15 to 19 years86,133
87,466
1,333
6.33%
20 to 24 years85,771
81,512
-4,259
5.9%
25 to 29 years81,217
80,604
-613
5.83%
30 to 34 years77,347
79,715
2,368
5.77%
35 to 39 years81,271
84,162
2,891
6.09%
40 to 44 years81,704
88,908
7,204
6.43%
45 to 49 years89,756
86,924
-2,832
6.29%
50 to 54 years99,122
91,762
-7,360
6.64%
55 to 59 years102,602
97,819
-4,783
7.08%
60 to 64 years92,087
97,359
5,272
7.05%
65 to 69 years74,972
84,352
9,380
13%
6.1%
70 to 74 years58,025
66,995
8,970
15%
4.85%
75 to 79 years40,263
49,437
9,174
23%
3.58%
80 to 84 years29,640
1,798
2.28%
85 years and over38,348
-5,359
2.39%

Source: Lightcast

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(Updated 04-01-2025)

Population By Race

Source: Lightcast

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(Updated 04-01-2025)
Housing
Median Home Price Listing
$727k
12-month Change
6.5%

Median Home Prices by County

Queens County
New York County
Suffolk County
Bronx County
Nassau County
Get the data
(Updated 10-28-2024)
School Performance
Nassau County High School Graduation Rate
93%
New York State Average Graduation Rate
85%

High School Graduation Rates

By Subgroup

Source: State of NY

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(Updated 05-30-2023)

Population by Educational Attainment

Source: Lightcast

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(Updated 04-01-2025)
Quality Of Life

Cost of Living Index

100 = U.S. Average

Nassau County
New York State
New York City

Source: Lightcast

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(Updated 01-31-2024)

Crime Rate Index

1 to 100; 1 = Less Crime

Nassau County
New York MSA
New York State

Source: Lightcast

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(Updated 01-31-2024)
Remote Workers
Percent Remote Workers
9.7%
Total Remote Workers
68,379