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ZIP 11742 · Holtsville

Who lives in ZIP code 11742 (Holtsville, NY): age, income, housing, education and work.

Source: uszips 2026 (ACS-based ZIP file)

2026 ZIP profile

Holtsville, NY · Suffolk County

uszips 2026
People13,202
Median age39.3
Household income$125,162
Home value$516,005
Median rent$2,400/mo
Poverty5.6%
College degree+36.1%
Commute31 min

Place

Metro area
New York-Newark-Jersey City, NY-NJ
Wider region
New York-Newark, NY-NJ-CT-PA
Metro division
Nassau County-Suffolk County, NY
Time zone
Eastern
Density
990 / sq mi
Housing units
4,651

County

Suffolk100%

Share of the ZIP's people in each county.

Age mix

Under 1011.9%
10–1912.0%
20s11.0%
30s16.5%
40s12.9%
50s15.8%
60s11.3%
70s6.5%
80+2.2%

13.8% are 65 or older; 79.5% are adults.

Household income

Under $25K5.8%
$25K–50K13.4%
$50K–75K10.0%
$75K–100K11.4%
$100K–150K17.0%
$150K+42.2%

59.2% of households earn $100K+. Median per person: $54,535.

Education (adults 25+)

Less than high school9.9%
High school25.5%
Some college28.5%
Bachelor's18.1%
Graduate18.0%

41.5% of degrees are in STEM fields.

Race

White77.5%
Black4.1%
Asian2.5%
Native American1.2%
Pacific Islander0.0%
Other5.1%
Two or more9.5%

16.8% Hispanic or Latino (of any race).

Households & family

Married
48.0%
Never married
36.5%
Divorced
11.3%
Widowed
4.2%
Family size
3.23
Dual-income families
66.4%

Housing

Own their home
83.6%
Rent burden
33.5%
Men / women
51% / 49%

Work

In labor force
70.4%
Unemployment
3.1%
Self-employed
9.1%
Farmers
0.0%

Community

Charitable givers
45.3%
Veterans
4.1%
With a disability
9.5%
No health insurance
3.5%
Limited English
1.4%

Source: uszips 2026 (ACS-based ZIP file). Shares are percentages of people, households or adults as the measure implies.

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