Nassau County, NY - overview Dashboard

Nassau County is a diverse, progressive and nationally competitive region with many family-friendly elements.
Nassau County, NY
Demographics
Population
1,392,234
Median Household Income
$146.2K

Population by Age Cohort

Age Cohort
2019 Population
2024 Population
Change
% Change
2024 % of Cohort
Under 5 years74,246
71,499
-2,747
5.13%
5 to 9 years80,429
81,429
1,000
5.85%
10 to 14 years83,880
87,096
3,216
6.25%
15 to 19 years84,899
87,927
3,028
6.31%
20 to 24 years83,921
83,011
-910
5.96%
25 to 29 years82,206
81,160
-1,046
5.83%
30 to 34 years77,618
80,968
3,350
5.81%
35 to 39 years81,674
85,316
3,642
6.13%
40 to 44 years82,154
89,358
7,204
6.42%
45 to 49 years87,244
88,113
869
6.33%
50 to 54 years96,088
90,097
-5,991
6.47%
55 to 59 years102,223
95,541
-6,682
6.86%
60 to 64 years93,080
97,800
4,720
7.02%
65 to 69 years76,273
85,846
9,573
6.17%
70 to 74 years60,649
68,718
8,069
13%
4.94%
75 to 79 years41,591
52,080
10,489
25%
3.74%
80 to 84 years29,736
3,166
2.36%
85 years and over38,162
-4,585
2.41%

Source: Lightcast

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(Updated on 06-23-2026)

Population By Race

Source: Lightcast

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(Updated on 06-23-2026)
Housing
Median Home Price Listing
$836K
12-Month Change
4.8%

Zillow Home Values Trend

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Interactive line chart.

Source: Zillow

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(Updated on 06-23-2026)
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 on 05-30-2025)

Population by Educational Attainment

Source: Lightcast

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(Updated on 06-23-2026)
Quality Of Life

Cost of Living Index

100 = U.S. Average

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Source: Lightcast

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(Updated on 06-08-2026)

Crime Rate

Per 1,000 People

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Source: Lightcast

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(Updated on 06-08-2026)
Remote Workers
Percent Remote Workers
15.6%
Total Remote Workers
105,826
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