Postal Codes

66434 ZIP Code

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ZIP code 66434 covers Hiawatha, Kansas, with a population of about 4,738 and a median household income of $73,304.

Population
4,73822 per square mile
Median age
41.83.1 points above the US average
Median household income
$73,304about the Kansas median
Poverty rate
9%3.4 points below the US average
Typical home value
$173,883up 52% in five years
Median rent
$67634% below the Kansas median
Degree or higher
19.1%15.9 points below the US average
Homeownership
77%12 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
176

Where 66434 is

Hiawatha, 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

Population4,738
Median age41.8
Family households60%
Born outside the US1.8%
Speaks a language other than English at home1.6%
White (non-Hispanic)88.1%
Black (non-Hispanic)1.8%
Asian (non-Hispanic)0.4%
Hispanic or Latino2.1%
Veterans8.1%
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$73,304
Income per person$35,112
Poverty rate9%
Households on SNAP or cash assistance10.3%

Household income distribution

Under $10k4.2%
$10–15k4.9%
$15–20k1.8%
$20–25k3.6%
$25–30k5.2%
$30–35k1.1%
$35–40k2.9%
$40–45k7.3%
$45–50k4.9%
$50–60k5.7%
$60–75k9.0%
$75–100k22.7%
$100–125k7.1%
$125–150k6.5%
$150–200k6.1%
$200k or more7.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed2,180
Mean adjusted gross income$71,275
Returns declaring $200,000 or more4.6%
Returns, under $25k30.3%
Returns, $25k–$50k25.2%
Returns, $50k–$75k14.7%
Returns, $75k–$100k10.6%
Returns, $100k–$200k14.7%
Returns, $200k or more4.6%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$132,000
Median gross rent$676
Rent as a share of household income24.4%
Owner-occupied77%
Vacant homes17.5%
Median year built1963

What the homes are

Detached house82.3%
Attached house0.6%
2 to 4 units9.5%
5 to 19 units2%
20 or more units4.4%
Mobile home1.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$173,883as of 2026-07
Typical home value, 1 yearup 7.6%
Typical home value, 5 yearsup 52%
Typical home value, 10 yearsup 111.5%
Typical home value since 2000
201120182026$173,883$73,894

$73,894 in 2011 to $173,883 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5%
Bachelor's degree or higher19.1%
High school diploma or higher95.6%
Works from home5.9%
Drives to work alone79.4%
Takes public transport0%
Commutes 45 minutes or more4%
Health

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

Obesity39.1% 5.7 pts above the national average of 33.4%
Diagnosed diabetes12.9% 0.9 pts above the national average of 12%
Currently smokes17.2% 4 pts above the national average of 13.2%
High blood pressure39.8% 5.7 pts above the national average of 34.1%
Fair or poor general health19.6% 0.7 pts below the national average of 20.3%
No health insurance (18–64)8.4% 2.9 pts below the national average of 11.3%
Depression21.3% 0.6 pts below the national average of 21.9%
No leisure-time physical activity28.6% 3.2 pts above the national average of 25.4%
Arthritis32.4% 7.3 pts above the national average of 25.1%
Binge drinking14.7% 1.3 pts below the national average of 16%
Taking blood pressure medication80.8% 6.1 pts above the national average of 74.7%
Cancer (non-skin)10.1% 2.4 pts above the national average of 7.7%
Current asthma10.6% same as the national average of 10.4%
Coronary heart disease8.1% 1.9 pts above the national average of 6.2%
Routine check-up in past year78.8% 2.1 pts above the national average of 76.7%
Cholesterol screening86% same as the national average of 85.9%
Cognitive disability15% same as the national average of 14.8%
Colorectal screening63.1% 1.2 pts below the national average of 64.3%
COPD8.8% 2.2 pts above the national average of 6.6%
Visited a dentist62.5% 1.2 pts above the national average of 61.3%
Any disability33.9% 3.2 pts above the national average of 30.7%
Lacks emotional support20.8% 4 pts below the national average of 24.8%
Food insecurity12.5% 4.6 pts below the national average of 17.1%
Received food stamps7.7% 6.6 pts below the national average of 14.3%
Hearing disability9.3% 2.6 pts above the national average of 6.7%
High cholesterol39% 2.8 pts above the national average of 36.2%
Housing insecurity10.4% 3.4 pts below the national average of 13.8%
Independent living disability8.7% same as the national average of 8.4%
Lacks transport6.9% 2.3 pts below the national average of 9.2%
Loneliness29.4% 5 pts below the national average of 34.4%
Mammography use71.1% 4.8 pts below the national average of 75.9%
Poor mental health (14+ days)16.7% same as the national average of 16.8%
Mobility disability16.6% 2.6 pts above the national average of 14%
Poor physical health (14+ days)14.4% 0.9 pts above the national average of 13.5%
Self-care disability4.1% same as the national average of 4%
Utility shut-off threat8.1% 0.7 pts below the national average of 8.8%
Sleeps under 7 hours32.5% 3.9 pts below the national average of 36.4%
Stroke4.1% 0.7 pts above the national average of 3.4%
All natural teeth lost12.3% 0.7 pts below the national average of 13%
Vision disability5% 0.6 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments176
People employed1,892
Annual payroll$74,242,000
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 78.5% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss80.6 out of 100
Community resilience74.3 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.

Drought97.5Relatively High at its worst in this ZIP code
Tornado96.3Very High at its worst in this ZIP code
Hail94.9Relatively High at its worst in this ZIP code
Wildfire94Relatively Moderate at its worst in this ZIP code
Ice storm91.6Relatively High at its worst in this ZIP code
Strong wind91.1Relatively High at its worst in this ZIP code
Heat wave89.9Relatively High at its worst in this ZIP code
Landslide86.1Relatively Low at its worst in this ZIP code
Winter weather81.5Relatively High at its worst in this ZIP code
Lightning76.9Relatively High at its worst in this ZIP code
River flooding70Relatively High at its worst in this ZIP code
Cold wave68.1Relatively Moderate at its worst in this ZIP code
Earthquake33.1Very 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$73,304$72,639$78,538
Income per person$35,112$39,638$43,289
Poverty rate9%11.5%12.4%
Median home value$132,000$203,400$303,400
Median gross rent$676$1,029$1,348
Homeownership77%66.9%65%
Bachelor's degree or higher19.1%35.2%35%
Unemployment rate5%3.9%5.2%
Works from home5.9%10.7%13.5%
Born outside the US1.8%7.2%13.9%
Median age41.837.238.7
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 stationHIAWATHA 1 S, KS US7.6 km away
Rain in a year35 in
Snow in a year17 in

Average high and low by month

January36.2°F / 15.1°F0.77 in rain, 4.7 in snow
February41.9°F / 19.2°F1.15 in rain, 4.1 in snow
March53.2°F / 28.7°F2.01 in rain, 2.2 in snow
April64.3°F / 40.4°F3.58 in rain, 1.1 in snow
May73.9°F / 52.6°F4.83 in rain
June83.2°F / 62.7°F5.03 in rain
July87.3°F / 66.3°F4.46 in rain
August85.9°F / 63.3°F3.86 in rain
September78.9°F / 54°F3.22 in rain
October67.5°F / 41.8°F2.86 in rain
November52.8°F / 30.3°F1.72 in rain, 1.2 in snow
December40.6°F / 20.4°F1.22 in rain, 3.6 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 supermarket12% of this ZIP code's area
Far from a supermarket12% of this ZIP code's area
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 3 school districts, so the address decides which one, not the ZIP code.

Hiawatha Unified School District 41581.6% of this ZIP code's land area
South Brown County Unified School District 43015.4% of this ZIP code's land area
Prairie Hills Unified School District 1133% 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 vulnerability48more vulnerable than 48% of US census tracts
Socioeconomic status46more vulnerable than 46% of US census tracts
Household characteristics66more vulnerable than 66% of US census tracts
Racial and ethnic minority status38more vulnerable than 38% of US census tracts
Housing type and transport41more vulnerable than 41% 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.

66527 Powhattan, KS10.4 km away
66425 Fairview, KS11.1 km away
66532 Robinson, KS12.6 km away
66439 Horton, KS13.9 km away
66515 Morrill, KS18.7 km away
66424 Everest, KS19.7 km away
66552 Whiting, KS21.6 km away
66534 Sabetha, KS21.6 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.

Brown County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area219.72 sq mi
Water area0.39 sq mi
Population density22 people per sq mi
Latitude, longitude39.7914, -95.6004

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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