ZIP Codes of Finney County, KS

Population & People
Population & People
Total Population
37,808
Household Income
Household Income
Median Income
$64,458
Housing
Housing
Total Housing Units
14,309
Business & Economy
Business & Economy
Total Businesses
1,036
Employment
Employment
Employment Rate
66.31%
Education
Education
Bachelor's Degree+
19.07%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:620
Timezone:Central (GMT -06:00)
Local Time:2:12:11 PM
Population:37,808 [See All]
FIPS:20055
CBSA:Garden City, KS
Land Area:1,134 sq mi
Water Area:1 sq mi
Coordinates:37.9961, -100.8185
Quick Link:
https://www.zip-codes.com/county/ks-finney.asp
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Kansas's #13 most populous county
37,808 residents across 3 ZIPs — #13 of 106 Kansas counties.

Standout ZIPs in this County


Most Populous
Garden City · 34,475 people
91.2% of county total
Highest Income
Holcomb · $83,906 median
1.3× county average
Largest Land Area
Garden City · 879.4 sq mi
Spans the most ground
Fastest Growth
Holcomb · 24.9% (10-yr)
2,519 → 3,145 residents
Most Educated
Holcomb · 21.0% bachelor's+
338 of 1,612 adults 25+

Things worth knowing about Finney County


37,808 residents live across 3 ZIPs covering 1,134 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 36,786 to 37,808 from 2014 to 2024 — a +2.8% change. 2 ZIPs gained residents, 1 lost.

The county's wealthiest ZIP 67851 (Holcomb, $83,906 median) and poorest ZIP 67846 (Garden City, $73,218) are 14.5 miles apart — a 1.1× income gap across local geography.

Median home values vary 1.2× across this county — from $196,100 in 67846 (Garden City) to $241,800 in 67851 (Holcomb).

Density varies across the county — from 17 people/sq mi in 67851 (Holcomb) to 39 in 67846 (Garden City).

Educational attainment ranges from 18.8% bachelor's+ in 67846 (Garden City) to 21.0% in 67851 (Holcomb) — the breadth of educational profiles across the area.

Within Kansas, this is the #13 most populous of 106 counties and ranks #64 for median household income .

Weighted by population, the typical household earns about $73,923 across the county — reflecting what a typical resident sees, not a simple ZIP average.

19.1% of adults age 25+ hold a bachelor's degree or higher (4,312 of 22,611 reporting).

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

Stories about Finney 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
1,134
square miles
Avg density
33.3
people per sq mi
Population
37,808
across 3 ZIPs
Garden City
879.4 sq mi
34,475 residents
Holcomb
189.9 sq mi
3,145 residents
Pierceville
64.8 sq mi
188 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Garden City

All ZIP Codes in Finney County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
67846Garden CityStandard34,475$73,218879.41.5%
67851HolcombStandard3,145$83,906189.924.9%
67868PiercevilleStandard188$36,25064.8-39.0%

Adjacent & Nearby Counties