Postal Codes

66944 ZIP Code

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ZIP code 66944 covers Haddam, Kansas, with a population of about 330 and a median household income of $77,375.

Population
3304 per square mile
Median age
61.222.5 points above the US average
Median household income
$77,3751.1× the Kansas median
Poverty rate
10.6%1.8 points below the US average
Degree or higher
42.2%7.2 points above the US average
Homeownership
97.3%32.3 points above the US average
Time zone
Central UTC-06:00observes daylight saving time

Where 66944 is

Haddam, Kansas — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population330
Median age61.2
Family households83.2%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)99.7%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans19.1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$77,375
Income per person$42,807
Poverty rate10.6%
Households on SNAP or cash assistance3.5%

Household income distribution

Under $10k13.3%
$10–15k0.9%
$15–20k0.9%
$20–25k3.5%
$25–30k0.0%
$30–35k5.3%
$35–40k4.4%
$40–45k0.0%
$45–50k0.0%
$50–60k1.8%
$60–75k11.5%
$75–100k20.4%
$100–125k9.7%
$125–150k0.0%
$150–200k7.1%
$200k or more21.2%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied97.3%
Vacant homes10.3%
Median year built1946

What the homes are

Detached house95.2%
Mobile home4.8%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher42.2%
High school diploma or higher98%
Works from home23.5%
Drives to work alone57.1%
Takes public transport0%
Commutes 45 minutes or more20%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity33.3% same as the national average of 33.4%
Diagnosed diabetes12% same as the national average of 12%
Currently smokes14.2% 1 pts above the national average of 13.2%
High blood pressure37.9% 3.8 pts above the national average of 34.1%
Fair or poor general health17.2% 3.1 pts below the national average of 20.3%
No health insurance (18–64)7.4% 3.9 pts below the national average of 11.3%
Depression19.6% 2.3 pts below the national average of 21.9%
No leisure-time physical activity27.3% 1.9 pts above the national average of 25.4%
Arthritis30.7% 5.6 pts above the national average of 25.1%
Binge drinking15.8% same as the national average of 16%
Taking blood pressure medication82.2% 7.5 pts above the national average of 74.7%
Cancer (non-skin)10.9% 3.2 pts above the national average of 7.7%
Current asthma9.6% 0.8 pts below the national average of 10.4%
Coronary heart disease8.3% 2.1 pts above the national average of 6.2%
Routine check-up in past year78.4% 1.7 pts above the national average of 76.7%
Cholesterol screening86.1% same as the national average of 85.9%
Cognitive disability13.4% 1.4 pts below the national average of 14.8%
Colorectal screening69.6% 5.3 pts above the national average of 64.3%
COPD7.9% 1.3 pts above the national average of 6.6%
Visited a dentist63.7% 2.4 pts above the national average of 61.3%
Any disability31.9% 1.2 pts above the national average of 30.7%
Lacks emotional support20% 4.8 pts below the national average of 24.8%
Food insecurity9.5% 7.6 pts below the national average of 17.1%
Received food stamps5.3% 9 pts below the national average of 14.3%
Hearing disability9.6% 2.9 pts above the national average of 6.7%
High cholesterol39.8% 3.6 pts above the national average of 36.2%
Housing insecurity8% 5.8 pts below the national average of 13.8%
Independent living disability7.5% 0.9 pts below the national average of 8.4%
Lacks transport5.6% 3.6 pts below the national average of 9.2%
Loneliness29% 5.4 pts below the national average of 34.4%
Mammography use75.1% 0.8 pts below the national average of 75.9%
Poor mental health (14+ days)15% 1.8 pts below the national average of 16.8%
Mobility disability15.1% 1.1 pts above the national average of 14%
Poor physical health (14+ days)12.9% 0.6 pts below the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Utility shut-off threat6% 2.8 pts below the national average of 8.8%
Sleeps under 7 hours33.8% 2.6 pts below the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost14.6% 1.6 pts above the national average of 13%
Vision disability4.2% 1.4 pts below the national average of 5.6%
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 89.8% of US census tracts
FEMA ratingRelatively High
Expected annual loss89.8 out of 100
Community resilience58.4 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hail99.4Very High at its worst in this ZIP code
Strong wind99.4Very High at its worst in this ZIP code
Ice storm97.4Relatively High at its worst in this ZIP code
Winter weather97.3Very High at its worst in this ZIP code
Wildfire96.4Relatively High at its worst in this ZIP code
Tornado95.6Very High at its worst in this ZIP code
Landslide91.4Relatively Low at its worst in this ZIP code
Drought90.9Relatively Low at its worst in this ZIP code
River flooding86.7Relatively High at its worst in this ZIP code
Heat wave79.4Relatively Moderate at its worst in this ZIP code
Lightning76.4Relatively Moderate at its worst in this ZIP code
Cold wave72Relatively Moderate at its worst in this ZIP code
Earthquake30Very Low at its worst in this ZIP code
Compared with Kansas and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPKansasUnited States
Median household income$77,375$72,639$78,538
Income per person$42,807$39,638$43,289
Poverty rate10.6%11.5%12.4%
Median home value$203,400$303,400
Median gross rent$1,029$1,348
Homeownership97.3%66.9%65%
Bachelor's degree or higher42.2%35.2%35%
Unemployment rate0%3.9%5.2%
Works from home23.5%10.7%13.5%
Born outside the US0%7.2%13.9%
Median age61.237.238.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationWASHINGTON, KS US22.1 km away
Rain in a year32 in
Snow in a year14 in

Average high and low by month

January37.2°F / 15°F0.79 in rain, 4.6 in snow
February42.6°F / 18.4°F1.14 in rain, 4.6 in snow
March54.5°F / 28.4°F1.8 in rain, 1.4 in snow
April64.9°F / 39.2°F3.14 in rain, 0.3 in snow
May74.9°F / 51.7°F4.44 in rain
June85.4°F / 62.4°F4.74 in rain
July90.3°F / 67.2°F4.13 in rain
August87.9°F / 64°F4.26 in rain
September80.5°F / 54.7°F3.07 in rain
October67.8°F / 41.4°F2.18 in rain, 0.1 in snow
November52.5°F / 28.3°F1.49 in rain, 1 in snow
December40.2°F / 19°F1.23 in rain, 2.4 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket66% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Washington Co. Schools Unified School District 10895% of this ZIP code's land area
Republic County-Hillcrest Rural Schools Unified School District 1094.5% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability39more vulnerable than 39% of US census tracts
Socioeconomic status19more vulnerable than 19% of US census tracts
Household characteristics73more vulnerable than 73% of US census tracts
Racial and ethnic minority status9more vulnerable than 9% of US census tracts
Housing type and transport65more vulnerable than 65% of US census tracts
Walkability5.8 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

66958 Morrowville, KS10.8 km away
66940 Cuba, KS13.5 km away
66955 Mahaska, KS15.1 km away
66960 Narka, KS15.4 km away
66930 Agenda, KS20.2 km away
66959 Munden, KS21.5 km away
66968 Washington, KS22.4 km away
68429 Reynolds, NE23.9 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Washington County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area93.2 sq mi
Water area0.21 sq mi
Population density4 people per sq mi
Latitude, longitude39.8520, -97.3081

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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