ZIP Codes of Jewell County, KS

Population & People
Population & People
Total Population
2,751
Household Income
Household Income
Median Income
$57,649
Housing
Housing
Total Housing Units
1,673
Business & Economy
Business & Economy
Total Businesses
77
Employment
Employment
Employment Rate
58.95%
Education
Education
Bachelor's Degree+
18.26%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 7 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:7 ZIP Codes (7 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:785
Timezone:Central (GMT -06:00)
Local Time:2:12:12 PM
Population:2,751 [See All]
FIPS:20089
Land Area:822 sq mi
Water Area:4 sq mi
Coordinates:39.8007, -98.1743
Quick Link:
https://www.zip-codes.com/county/ks-jewell.asp
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Kansas's #86 most populous county
2,751 residents across 7 ZIPs — #86 of 106 Kansas counties.

Standout ZIPs in this County


Most Populous
Mankato · 1,351 people
49.1% of county total
Highest Income
Formoso · $97,955 median
1.7× county average
Largest Land Area
Mankato · 226.2 sq mi
Spans the most ground
Fastest Growth
Mankato · 22.4% (10-yr)
1,104 → 1,351 residents
Most Educated
— no education data

Things worth knowing about Jewell County


2,751 residents live across 7 ZIPs covering 822 sq mi, served by 7 distinct USPS-recognized cities.

Population moved from 2,949 to 2,751 from 2014 to 2024 — a -6.7% change. 3 ZIPs gained residents, 4 lost.

The county's wealthiest ZIP 66942 (Formoso, $97,955 median) and poorest ZIP 66963 (Randall, $45,096) are 10.2 miles apart — a 2.2× income gap across local geography.

Median home values vary 2.1× across this county — from $59,100 in 66956 (Mankato) to $125,600 in 66941 (Esbon).

Density varies across the county — from 1 people/sq mi in 66941 (Esbon) to 6 in 66956 (Mankato).

Educational attainment ranges from 12.0% bachelor's+ in 66942 (Formoso) to 35.0% in 66936 (Burr Oak) — the breadth of educational profiles across the area.

Within Kansas, this is the #86 most populous of 106 counties and ranks #94 for median household income .

Weighted by population, the typical household earns about $59,081 across the county — reflecting what a typical resident sees, not a simple ZIP average.

18.3% of adults age 25+ hold a bachelor's degree or higher (371 of 2,032 reporting).

7 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Jewell County


Big & sparse

A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.

Total area
822
square miles
Avg density
3.3
people per sq mi
Population
2,751
across 7 ZIPs
Mankato
226.2 sq mi
1,351 residents
Burr Oak
140.4 sq mi
194 residents
Esbon
127.1 sq mi
130 residents

Population decline

Jewell County lost 6.7% of residents between 2014 and 2024. ZIPs that shed the largest share:

Jewell
-22.8%
679 → 524 residents

All ZIP Codes in Jewell County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
66956MankatoStandard1,351$57,232226.222.4%
66949JewellStandard524$46,250124.9-22.8%
66942FormosoStandard305$97,95591.13.4%
66963RandallStandard208$45,09667.362.5%
66936Burr OakStandard194140.4-39.2%
66941EsbonStandard130$70,156127.1-49.0%
66970WebberStandard39$29,20544.8-76.9%

Adjacent & Nearby Counties