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ZIP code 66944: Haddam, KS

66944 is a ZIP code in Haddam, Kansas, mainly in Washington County. About 304 people live here.

Population
304
Median household income
$75,625
Typical home value
—
Median rent
—gross, per month
Median age
49.8
Homeowners
96.8%of occupied homes
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Shaded: ZIP code 66944's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 66944 details

CityHaddam
StateKansas
CountyWashington County
Metro areaNot in a metro or micro area
Time zoneCentral Time (UTC−6), observes daylight saving time
TypeStandard (delivery area)
Land area93.2 sq mi, plus 0.2 sq mi of water
Population density3 people per sq mi
Bachelor's degree or higher52.7% of adults 25+
Average commute34.5 minutes
Center coordinates39.84023, -97.29310

ZIP codes near 66944

ZIP codeCityDistancePopulation
66958Morrowville, KS7.0 mi198
66940Cuba, KS8.9 mi283
66960Narka, KS9.5 mi125
66955Mahaska, KS9.8 mi47
66968Washington, KS12.2 mi1,454
66959Munden, KS13.8 mi339
66930Agenda, KS14.1 mi131
66953Linn, KS14.5 mi628

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

About ZIP code 66944

What city is ZIP code 66944?

ZIP code 66944 is in Haddam, KS, in Washington County.

What county is ZIP code 66944 in?

66944 is mainly in Washington County, Kansas.

What is the population of ZIP code 66944?

About 304 people live in ZIP code 66944, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 66944 in?

66944 is in Central Time (UTC−6). It observes daylight saving time.