holtsville Demographics
Educational Attainment
Number No. Area % Area National % National
Less than High School 391 3.3 % 6.6 %
High School Graduate 3,850 32.9 % 32.6 %
Some College 3,225 27.5 % 24.6 %
Bachelor’s Degree 2,699 23.0 % 22.5 %
Graduate or Professional Degree 1,548 13.2 % 13.7 %
High School Graduate or Higher 10,835 92.5 % 87.1 %
Bachelor's Degree or Higher 3,584 30.6 % 30.6 %
Age Statistics
Number No. Area % Area National % National
Total Population 20,081 - -
19 years old and under 5,026 25.0 % 25.6 %
20 to 44 years old 6,627 33.0 % 12.7 %
45 to 64 years old 5,809 28.9 % 12.7 %
65 years old and older 2,619 13.0 % 1.9 %
Language Spoken at Home
Number No. Area % Area National % National
English Only 16,106 89.7 % 84.6 %
Spanish 1,677 9.3 % 14.3 %
Other Languages 167 0 % 0 %
Marital Status
Number No. Area % Area National % National
Never Married 2,235 29.8 % 33.5 %
Married 4,481 59.8 % 50.5 %
Separated 113 1.5 % 2.6 %
Divorced 662 8.8 % 13.5 %
Census Housing Report
Number No. Area % Area National % National
Total Housing Units 6,864 - -
Occupied Housing Units 6,716 97.8 % 87.7 %
Vacant Housing Units 148 2.2 % 12.3 %
1-Unit, Detached 5,066 73.8 % 61.4 %
1-Unit, Attached 413 6.0 % 5.8 %
2-Units 197 2.9 % 3.7 %
3 to 4 Units 25 0.4 % 4.5 %
5 to 9 Units 208 3.0 % 4.8 %
10 to 19 Units 338 4.9 % 4.6 %
20 or More Units 587 8.6 % 8.8 %
Mobile Homes 30 0.4 % 6.3 %
Built 1990 to 1999 1,139 16.6 % 14.0 %
Built 1980 to 1989 717 10.4 % 13.6 %
Built 1970 to 1979 1,965 28.6 % 15.5 %
Built 1960 to 1969 1,126 16.4 % 10.8 %
Built 1940 to 1959 903 13.2 % 15.6 %
Built 1939 or Earlier 121 1.8 % 13.0 %
Electric 543 7.9 % 33.5 %
Oil / Kerosene 3,649 53.2 % 4.4 %
Natural Gas 2,338 34.1 % 42.3 %
Tank or LP Gas 115 1.7 % 4.1 %
Wood 48 0.7 % 1.8 %
None 23 0.3 % 1.0 %
Racial Breakdown
Number No. Area % Area National % National
Caucasian 17,969 91.3 % 75.5 %
African-American 1,033 5.2 % 13.1 %
Native American 71 0.4 % 0.8 %
Asian 535 2.7 % 5.6 %
Some Other Race 77 0.4 % 4.9 %
Economic Statistics
Number No. Area % Area National % National
Median Household Income 92,194 55,775
Median Family Income 104,511 68,260
Median Per Capita Income 37,089 29,979
Weather
  • Chance of Sunshine 54.84 %
  • Temperature 49.78 ℉
  • Rainfall 3.96 inches
  • Energy Demand
    [HDD] 23.1
    [CDD] 0
Earthquakes
Magnitude Probability
5.0 0.09 %
6.0 0.02 %
7.0 0.00 %
8.0 0.00 %
9.0 0.00 %
Very Low Risk Area
Public Information
Unemployment Information
Data sourced by HomeFacts.com