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Everything You Need to Know About Zip Code 11791

Zip code 11791 corresponds to Commack, a hamlet and census-designated place in Suffolk County, New York, on Long Island. This area is known for its suburban atmosphere, good sch...

Mara Ellison Jul 11, 2026
Everything You Need to Know About Zip Code 11791

Zip code 11791 corresponds to Commack, a hamlet and census-designated place in Suffolk County, New York, on Long Island. This area is known for its suburban atmosphere, good schools, and access to major employment centers in New York City.

Residents and businesses in 11791 benefit from a mix of residential neighborhoods, local parks, and proximity to both ocean and city amenities. The following sections provide targeted insights into community data, housing dynamics, school quality, and transportation options.

Profile Item Commack (11791) County Average Notes
Area Type Hamlet and CDP Mixed CDP and Villages Suburban, residential
County Suffolk County Suffolk County Long Island, New York
Population Estimate 36,000 Variant by town Based on recent census data
Median Household Income $165,000+ $120,000 Above county average
Key Sectors Healthcare, Education, Finance Diverse Commuting to NYC is common

Community Overview and Daily Life

Commack offers a low-density suburban environment with tree-lined streets and a mix of single-family homes. The area maintains a family-friendly character, supported by local civic groups and active neighborhood associations.

Daily life in 11791 combines access to parks, small business districts, and reputable school programs. Residents often commute to nearby cities for work, while enjoying the quieter pace of Long Island suburban living.

The housing market in zip code 11791 features a balance of mid-century and newer construction, with many homes on sizable lots. Listings typically include colonials, ranch-style homes, and contemporary builds.

Price points in Commack remain strong due to school quality and proximity to amenities. Buyers often compare metrics such as square footage, lot size, and recent renovations when evaluating options.

Metric Value Unit Source
Median Sale Price 850000 USD Recent 12-month data
Average Days on Market 22 Days Local MLS
Median Bedrooms 4 Bedrooms Listing statistics
Median Bathrooms 2.5 Bathrooms Listing statistics
Typical Lot Size 0.3 Acres Assessor records

Education and School Districts

Commack is served by the Commack Union-Free School District, which is recognized for strong academic performance and diverse programs. Elementary, middle, and high school students all attend schools ranked above many neighboring districts.

Graduation rates in the district remain high, with many students pursuing higher education at competitive colleges. Parents often highlight the blend of academic rigor and extracurricular opportunities as a key strength of local schools.

Transportation and Accessibility

Commack benefits from road networks that provide relatively straightforward access to major highways, including the Heckscher State Parkway and the Long Island Expressway. Driving times to Manhattan are typically under two hours, depending on traffic.

Public transportation options include local bus service and nearby train stations, though many residents rely on personal vehicles. The proximity to both Long Island Sound and the Atlantic Ocean also supports biking and walking in warmer months.

Living in Commack Long Term

Long-term residents appreciate the stability of property values, strong community ties, and reliable public services in 11791. The neighborhood remains attractive to families and professionals alike.

  • Verify school placement and district boundaries before purchasing property
  • Review commute times during peak hours if working in New York City
  • Assess property tax rates alongside overall cost of ownership
  • Explore nearby parks and recreational facilities for lifestyle fit
  • Check local market trends for pricing and days-on-market insights

FAQ

Reader questions

What types of homes are most common in zip code 11791?

Single-family detached homes, including colonials and ranch-style houses, dominate the housing landscape in Commack.

How are the schools in Commack Union-Free School District rated?

The district consistently earns high ratings for academics, extracurriculars, and overall performance compared to other Long Island districts.

How far is Commack from Manhattan, and what is the typical commute?

Commack is roughly 45 to 60 miles from Manhattan, with average commute times around 1.5 to 2 hours by car depending on traffic.

What amenities are within walking distance in Commack?

Local shopping centers, parks, libraries, and a variety of dining options are available within Commack itself, supporting daily needs and recreation.

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