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ZIP code 12421: Denver, NY

12421 is a ZIP code in Denver, New York, mainly in Delaware County. About 261 people live here.

Population
261
Median household income
$100,819
Typical home value
$356,900+4.4% in 12 months
Median rent
—gross, per month
Median age
70.3
Homeowners
75.2%of occupied homes
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Shaded: ZIP code 12421's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 12421 details

CityDenver
StateNew York
CountyDelaware County
Metro areaNot in a metro or micro area
Time zoneEastern Time (UTC−5), observes daylight saving time
TypeStandard (delivery area)
Land area17.2 sq mi, plus 0 sq mi of water
Population density15 people per sq mi
Bachelor's degree or higher44.8% of adults 25+
Average commute31.3 minutes
Center coordinates42.25706, -74.53523

ZIP codes near 12421

ZIP codeCityDistancePopulation
12474Roxbury, NY3.3 mi857
12430Fleischmanns, NY4.3 mi1,253
12438Halcottsville, NY4.7 mi190
12434Grand Gorge, NY7.4 mi944
12459New Kingston, NY7.4 mi30
12468Prattsville, NY7.5 mi1,329
12441Highmount, NY7.5 mi106
12465Pine Hill, NY7.9 mi255

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 12421?

A typical home in ZIP code 12421 is worth about $356,900 (Zillow Home Value Index). The median household here earns $100,819 a year. See what buying here would cost per month, with New York average taxes and insurance filled in.

Monthly payment for a $356,900 homeWhat can a $100,819 income afford?Rental property numbers

About ZIP code 12421

What city is ZIP code 12421?

ZIP code 12421 is in Denver, NY, in Delaware County.

What county is ZIP code 12421 in?

12421 is mainly in Delaware County, New York.

What is the population of ZIP code 12421?

About 261 people live in ZIP code 12421, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 12421 in?

12421 is in Eastern Time (UTC−5). It observes daylight saving time.