66434 ZIP Code — Hiawatha, KS
Brown County, Kansas
ZIP code 66434 is located in Hiawatha, Kansas, within Brown County. It covers approximately 219.72 square miles and serves a population of 4,570 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 785.
About ZIP code 66434
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $117,400. Owner-occupancy sits near the national average at 74%.
Median household income is $64,817. 40% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 14 minutes is near the national average.
Educational attainment is near the national average, with 21% of residents holding a bachelor's degree or higher.
4,570
population
219.72
sq mi land
Standard
ZIP type
Central (CT)
timezone
66434 ZIP code map
Cities in ZIP code 66434
Below are the cities the US Postal Service accepts for ZIP code 66434. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Hiawatha | Acceptable |
| Hiawatha | Preferred |
Nearby ZIP codes
66532 Robinson (9.6 mi)
66425 Fairview (9.6 mi)
66515 Morrill (10.5 mi)
66527 Powhattan (12.3 mi)
66094 White Cloud (12.6 mi)
66439 Horton (14 mi)
66534 Sabetha (14.9 mi)
66424 Everest (15 mi)
66035 Highland (15.4 mi)
68431 Rulo (15.8 mi)
66017 Denton (17.3 mi)
66516 Netawaka (18.5 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 4,570 |
| Population density | 21 / sq mi |
| State FIPS | 20 |
| County FIPS | 013 |
| Geography | |
|---|---|
| Land area | 219.72 sq mi |
| Water area | 0.39 sq mi |
| Latitude | 39.8555 |
| Longitude | -95.5363 |
| Timezone | Central (CT) |
| Area code | 785 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 47.3% | 49.5% | 41.1% |
| $50k – $100k | 37.5% | 33.1% | 32.2% |
| $100k – $200k | 13.2% | 15.3% | 21.0% |
| Over $200k | 2.0% | 2.1% | 5.7% |
Demographics & statistics
4,570
Population
21
People per sq mi
43.5
Median age
$64,817
Median household income
$33,126
Per capita income
$117,400
Median home value
$679
Median monthly rent
73.6%
Home ownership
7.8%
Poverty rate
3.6%
Unemployment
1,769
Housing units
21.4%
Bachelor's or higher
Age distribution
Male
Female
82
Under 5
91
197
5–9
217
197
10–14
217
119
15–19
130
80
20–24
89
183
25–34
201
290
35–44
318
244
45–54
268
143
55–59
157
196
60–64
216
250
65–74
275
145
75–84
160
50
85+
55
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 1,169 | 25.6% |
| 18 and over | 3,401 | 74.4% |
| 65 and over | 935 | 20.5% |
| Median age | 43.5 years | |
Race & ethnicity
White
87.4%
Two or more races
6.3%
American Indian / Alaska Native
1.6%
Hispanic or Latino
1.6%
Other race
1.3%
Black or African American
1.2%
Asian
0.4%
| Group | Count | % |
|---|---|---|
| White | 4,061 | 87.4% |
| Two or more races | 294 | 6.3% |
| American Indian / Alaska Native | 76 | 1.6% |
| Hispanic or Latino | 75 | 1.6% |
| Other race | 61 | 1.3% |
| Black or African American | 58 | 1.2% |
| Asian | 20 | 0.4% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 47.3% | 49.5% | 41.1% |
| $50k – $100k | 37.5% | 33.1% | 32.2% |
| $100k – $200k | 13.2% | 15.3% | 21.0% |
| Over $200k | 2.0% | 2.1% | 5.7% |
Under $10k
2.7%
$10k–$15k
3.9%
$15k–$25k
6.7%
$25k–$35k
9.4%
$35k–$50k
17.3%
$50k–$75k
16.0%
$75k–$100k
18.8%
$100k–$150k
15.8%
$150k–$200k
4.6%
$200k+
4.7%
| Range | % of households |
|---|---|
| Under $10k | 2.7% |
| $10k–$15k | 3.9% |
| $15k–$25k | 6.7% |
| $25k–$35k | 9.4% |
| $35k–$50k | 17.3% |
| $50k–$75k | 16.0% |
| $75k–$100k | 18.8% |
| $100k–$150k | 15.8% |
| $150k–$200k | 4.6% |
| $200k+ | 4.7% |
| Median income | $64,817 |
Housing
Home values
Under $50k
9.8%
$50k–$100k
30.3%
$100k–$150k
20.4%
$150k–$200k
14.1%
$200k–$300k
13.4%
$300k–$500k
9.1%
$500k–$1M
2.3%
$1M+
0.7%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $117,400 |
| Median rent / month | $679 |
| Owner occupied | 73.6% |
| Renter occupied | 26.4% |
| Vacant | 21.6% |
| Single-family detached | 83.1% |
| Large apartment buildings | 5.0% |
| Mobile homes | 1.3% |
| Median rooms | 6.5 |
| Avg household size (owned) | 2.78 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.6% |
| 2010–2019 | 1.3% |
| 2000–2009 | 9.2% |
| 1990–1999 | 7.2% |
| 1980–1989 | 13.7% |
| 1970–1979 | 7.8% |
| 1960–1969 | 12.8% |
| 1950–1959 | 10.5% |
| 1940–1949 | 5.1% |
| 1939 or earlier | 31.8% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.8% |
| 1 bedroom | 10.2% |
| 2 bedrooms | 19.3% |
| 3 bedrooms | 50.0% |
| 4 bedrooms | 15.9% |
| 5+ bedrooms | 3.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.7% |
| 1 vehicle | 29.6% |
| 2 vehicles | 38.0% |
| 3 or more | 27.7% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 65.0% |
| Electricity | 18.5% |
| Propane / LP gas | 14.1% |
| Wood | 1.8% |
| Solar | 0.1% |
| No fuel used | 0.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 874 | 50.0% |
| Cohabiting couple | 139 | 7.9% |
| Male householder, no spouse | 351 | 20.1% |
| Female householder, no spouse | 385 | 22.0% |
| Households with children under 18 | 465 | 26.6% |
| Households with seniors (65+) | 580 | 33.2% |
| Average household size | 2.57 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 22.8% | 18.6% |
| Married | 57.0% | 53.1% |
| Separated | 0.3% | 1.3% |
| Widowed | 4.1% | 10.2% |
| Divorced | 15.8% | 16.9% |
Education
Less than 9th grade
1.1%
Some HS, no diploma
6.2%
HS graduate
39.2%
Some college, no degree
21.9%
Associate's degree
10.2%
Bachelor's degree
15.4%
Graduate / professional
6.0%
| Metric | % |
|---|---|
| HS diploma or higher | 92.7% |
| Bachelor's or higher | 21.4% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 25 | 2.2% |
| Kindergarten | 106 | 9.1% |
| Elementary school | 674 | 58.1% |
| High school | 255 | 22.0% |
| College / grad school | 100 | 8.6% |
Employment
Industry of employment
Education & healthcare
29.9%
Retail trade
15.9%
Manufacturing
12.3%
Transportation & utilities
6.6%
Public administration
5.3%
Professional & management
4.8%
Finance & real estate
4.7%
Other services
4.6%
Agriculture & mining
4.1%
Construction
4.1%
Arts, food & hospitality
3.9%
Information
2.2%
Wholesale trade
1.7%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 36.8% |
| Service | 16.6% |
| Sales & office | 24.7% |
| Natural resources & construction | 6.7% |
| Production & transportation | 15.2% |
Employment type
| Type | % |
|---|---|
| Private sector | 78.0% |
| Government | 15.5% |
| Self-employed | 6.3% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 81.9% |
| Carpool | 9.5% |
| Public transit | 0.0% |
| Walk | 1.9% |
| Work from home | 4.5% |
| Other means | 2.2% |
| Avg commute (minutes) | 13.6 |
Poverty
All people
7.8%
Under 18 years
5.0%
18 and over
8.8%
Married-couple families
5.1%
Female-led households
10.8%
Income support
| Source | % of households |
|---|---|
| Social Security | 40.1% |
| Retirement income | 27.6% |
| Supplemental Security | 4.6% |
| Cash public assistance | 0.3% |
| Food stamps / SNAP | 7.1% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 36.4% |
| High blood pressure | 37.8% |
| High cholesterol | 36.8% |
| Diabetes | 12.2% |
| Heart disease | 7.8% |
| Stroke | 3.6% |
| Asthma | 9.6% |
| Arthritis | 28.4% |
| Kidney disease | 3.4% |
| Pulmonary disease | 7.7% |
| Cancer | 7.9% |
| Behavior / access | % |
|---|---|
| Smoking | 19.1% |
| Binge drinking | 15.9% |
| No physical activity | 27.3% |
| Less than 7 hrs sleep | 31.2% |
| Depression | 19.5% |
| Fair or poor health | 15.5% |
| Poor mental health | 13.6% |
| Poor physical health | 11.0% |
| No health insurance | 14.0% |
| Visited doctor (checkup) | 72.3% |
| Visited dentist | 63.0% |
| Cholesterol screening | 89.5% |
| Teeth loss | 15.1% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 236 | 6.9% |
| Disability | % |
|---|---|
| Any disability | 11.9% |
| Under 18 | 3.3% |
| 18–64 years | 11.3% |
| 65 and over | 24.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 72.6% |
| Public insurance | 33.0% |
| No insurance | 9.1% |
| Uninsured under 19 | 5.6% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 4,397 | 96.2% |
| Spanish | 7 | 0.2% |
| Other Indo-European | 7 | 0.2% |
| Asian & Pacific Islander | 0 | 0.0% |
| Other languages | 0 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 4,544 | 99.4% |
| Born in same state | 4,513 | 98.8% |
| Born in different state | 3,172 | 69.4% |
| Foreign born | 31 | 0.7% |
| Naturalized citizen | 26 | 0.6% |
| Not a US citizen | 20 | 76.9% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 616 | 13.5% |
| Italian | 381 | 8.3% |
| Arab | 215 | 4.7% |
| Ancestry | Count | % |
|---|---|---|
| English | 107 | 2.3% |
| Polish | 106 | 2.3% |
| German | 11 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 38.3% |
| Internet access | 91.9% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 66434
What city is ZIP code 66434 in?
ZIP code 66434 is primarily assigned to Hiawatha, Kansas.
What county is ZIP code 66434 in?
ZIP code 66434 falls within Brown County, Kansas.
Does ZIP code 66434 have a large retiree population?
40% of households in ZIP code 66434 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 66434?
The median home value in ZIP code 66434 is $117,400.
What is the population of ZIP code 66434?
ZIP code 66434 has an estimated population of 4,570 residents, with a density of 21 people per square mile.
What is the median household income in ZIP code 66434?
The median household income in ZIP code 66434 is $64,817, below the national median of ~$75,000.
What timezone is ZIP code 66434 in?
ZIP code 66434 observes the CST timezone.