ZIP Codes of Trego County, KS

Population & People
Population & People
Total Population
2,472
Household Income
Household Income
Median Income
$79,847
Housing
Housing
Total Housing Units
1,489
Business & Economy
Business & Economy
Total Businesses
119
Employment
Employment
Employment Rate
64.11%
Education
Education
Bachelor's Degree+
29.66%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: July 1, 2026
ZIP Codes:3 ZIP Codes (3 Standard, 0 PO Box, 0 Unique) [See All]
Area Code:785
Timezone:Central (GMT -06:00)
Local Time:11:53:33 PM
Population:2,472 [See All]
FIPS:20195
Land Area:616 sq mi
Water Area:5 sq mi
Coordinates:38.9974, -99.9167
Quick Link:
https://www.zip-codes.com/county/ks-trego.asp
Need Trego data in your app? Look up ZIP, county, and city data with a single API call.
Try Free
Notable population decline
Lost 12.8% of residents since 2014.

Standout ZIPs in this County


Most Populous
Wakeeney · 2,159 people
87.3% of county total
Highest Income
Wakeeney · $83,917 median
1.1× county average
Largest Land Area
Wakeeney · 323.1 sq mi
Spans the most ground
Fastest Growth
Wakeeney · -15.0% (10-yr)
2,540 → 2,159 residents
Most Educated
Wakeeney · 31.0% bachelor's+
503 of 1,623 adults 25+

Things worth knowing about Trego County


2,472 residents live across 3 ZIPs covering 616 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 2,836 to 2,472 from 2014 to 2024 — a -12.8% change. 1 ZIPs gained residents, 2 lost.

The county's wealthiest ZIP 67672 (Wakeeney, $83,917 median) and poorest ZIP 67656 (Ogallah, $73,542) are 9.2 miles apart — a 1.1× income gap across local geography.

Median home values vary 2.4× across this county — from $88,200 in 67631 (Collyer) to $209,300 in 67656 (Ogallah).

Density varies 12× across the county — from 1 people/sq mi in 67631 (Collyer) to 7 in 67672 (Wakeeney).

Educational attainment ranges from 16.0% bachelor's+ in 67631 (Collyer) to 31.0% in 67672 (Wakeeney) — the breadth of educational profiles across the area.

Within Kansas, this is the #92 most populous of 106 counties and ranks #12 for median household income .

Weighted by population, the typical household earns about $82,925 across the county — reflecting what a typical resident sees, not a simple ZIP average.

29.7% of adults age 25+ hold a bachelor's degree or higher (549 of 1,851 reporting).

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

Stories about Trego 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
616
square miles
Avg density
4.0
people per sq mi
Population
2,472
across 3 ZIPs
Wakeeney
323.1 sq mi
2,159 residents
Collyer
160.2 sq mi
93 residents
Ogallah
133.2 sq mi
220 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.

Wakeeney

Population decline

Trego County lost 12.8% of residents between 2014 and 2024. ZIPs that shed the largest share:

Wakeeney
-15.0%
2,540 → 2,159 residents

All ZIP Codes in Trego County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
67672WakeeneyStandard2,159$83,917323.1-15.0%
67656OgallahStandard220$73,542133.2436.6%
67631CollyerStandard93$82,083160.2-63.5%

Adjacent & Nearby Counties