Round Lake, NY

Census ZIP code profile for Round Lake, NY — 1 ZIPs, total population 708. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.

2026 data Public-data reference. official source

Source:

Round Lake, NY is covered by 1 USPS ZIP code serving a combined population of 708 according to Census ACS 5-Year Estimates. U.S. cities rarely map cleanly to a single ZIP — Round Lake splits its residents across 1 delivery areas, each with its own demographic and housing profile. The table below lists every ZIP by population, so you can see which neighborhoods carry the weight of the city total and which are smaller pockets of the same municipal boundary.

Aggregated across every ZIP in Round Lake, the median household income averages $98,309 and per-capita income averages $52,578. Poverty rate runs at 2.5% and unemployment at 0.4%. On housing, the average median home value is $342,800 with median rent of $1,615 per month, and 86.3% of occupied units are owner-occupied. These are arithmetic averages across the 1 ZIP — not population-weighted — so small ZIPs influence the headline numbers the same as large ones.

Use this city view to compare ZIPs inside Round Lake against each other rather than hunting for a single "city average." The Affordability Dashboard linked below combines these Census inputs with HUD Fair Market Rents, FBI crime data, and Department of Labor childcare costs into a graded scorecard for Round Lake as a whole, while individual ZIP pages show fine-grained household income, housing profile, education attainment, commute time, and nearby-ZIP benchmarks. Every field on this page is sourced directly from U.S. Census Bureau ACS 2023 5-Year Estimates — no estimates, no proprietary scoring, no editorial adjustment.

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1

ZIP Codes

708

Population

$98,309

Median Income

$342,800

Median Home Value

50.6

Median Age

How much do residents of Round Lake earn?

Median Household Income
$98,309
Per Capita Income
$52,578
Unemployment Rate
0.4%
Poverty Rate
2.5%

What does housing look like in Round Lake?

Median Home Value
$342,800
Median Rent
$1,615/mo
Owner Occupied
86.3%
Housing Units
496

Who lives in Round Lake?

Bachelor's Degree+
53.8%
High School+
74.2%
Foreign Born
7.3%

ZIP Codes in Round Lake, NY

ZIP Code Population Density Timezone
12151 708 106 America/New_York

Frequently Asked Questions

How many ZIP codes are in Round Lake, NY?
Round Lake, NY has 1 ZIP code with a combined population of 708, based on Census ACS 2023 data.
What is the median household income in Round Lake?
The average median household income across Round Lake, NY ZIP codes is $98,309. The poverty rate is 2.5%.
What is the cost of living in Round Lake?
The average median home value in Round Lake, NY is $342,800. Median rent is $1,615/month. 86.3% of homes are owner-occupied.

Source: U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023). Verify with Census Bureau →

Source: HUD USPS Crosswalk (ZIP-to-county mapping) and Source: simplemaps.com (ZIP coordinates & timezones). Verify with HUD →

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the U.S. Census Bureau American Community Survey (ACS). Consult a qualified professional before making decisions based on this data.