What city is ZIP code 66434?

ZIP code 66434 is in Hiawatha, KS (Brown County).

What county is ZIP code 66434 in?

ZIP code 66434 is mostly in Brown County, Kansas.

How many people live in ZIP code 66434?

About 4,740 people live in the 66434 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 66434

Hiawatha, KS, Brown County

Population

4,740

Land area

219.7sq mi

People per sq mi

City

Hiawatha

ZIP 66434 and nearby ZIP codes

Full map

ZIP 66434 at a glance

ZIP 66434 (Hiawatha) is 40% less dense than Kansas as a whole.
Households here earn a median of $76,613 a year, 3% more than the Kansas figure of $74,275.
A typical owner-occupied home is valued at $143,400 (34% below Kansas) and median rent is $625 a month.

Local data for ZIP 66434

Counts from official public data

Housing and community stats

ZIP 66434, American Community Survey 2020-2024

Full profile

Median household income

$76,613

Poverty rate

10.5%

Median home value

$143,400

Prices +13.6% in a year

Median rent

$625/mo

Homeownership

79.1%

Bachelor's or higher

20.2%

Median age

41.2

Average commute

12.9 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

171

ZIP Business Patterns 2023

Employees

1,874

$78.7M annual payroll

PPP loans

$14.3M

378 loans

Campaign donations

$12.5K

6% D, 13% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 66434, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: drought

Storm events since 1996

485

Countywide, mostly hail

Flood insurance policies

0.0% of homes, county

July high / Jan low

87° / 15°F

34.7 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 66434, CDC PLACES estimates

All 40 measures

Obesity

39.1%

U.S. 33.3% +5.8 pts

Diabetes

12.9%

U.S. 12.1% +0.8 pts

Smoking

17.2%

U.S. 12.8% +4.4 pts

Uninsured (18-64)

8.4%

U.S. 11.1% -2.7 pts

Frequently asked questions

What city is ZIP code 66434?: ZIP code 66434 is in Hiawatha, KS (Brown County).
What county is ZIP code 66434 in?: ZIP code 66434 is mostly in Brown County, Kansas.
How many people live in ZIP code 66434?: About 4,740 people live in the 66434 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.