Trego County, Kansas Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 85th-largest in Kansas

The population of Trego County, Kansas is 2,778 as of the 2023 American Community Survey, making it the 85th-largest county in Kansas. The median household income is $73,375, the median home value is $115,400, and the median age is 47.7.

The population of Trego County has declined 7.7% since 2010 (3,006 → 2,774), a -0.57% annualized rate.

Trego County within Kansas · Source: US Census TIGER/Line via us-atlas

2,778

Population

-0.57%

Annual growth

People / sq mi

$73,375

Median Income

$115,400

Median Home Value

Trego County covers 889 sq mi of land at 3.1 people per square mile.

About Trego County, KS

The poverty rate is what most separates Trego County from the typical county: 3.7% of residents live below the federal poverty line, against 12.4% nationally. Trego County is a county in Kansas with a population of 2,778.

Median household income is $73,375, below the US median of $78,538. Very few residents live in poverty — 3.7%, below the national 12.4%. Homes are comparatively cheap — a median value of $115,400, with typical rent around $694.

College attainment is above the local norm at 28.7%, below the national 35.0%. About 7.8% of the workforce is home-based, below the national 14.0%, and the average commute runs about 16 minutes each way.

Trego County Population History (2010-2024)

The county of Trego County had a population of 3,006 in 2010 and 2,774 in 2024, a -7.7% growth over 14 years. The peak was 3,006 in 2010. Average annual growth rate: -0.57%.

Trego County population, 2010–2024 · Source: U.S. Census Bureau — decennial census & Population Estimates

2,774

Population (2024)

3,006

Population (2010)

3,006

Peak (2010)

-0.57%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	3,006	-	-	estimate
2011	2,953	-53	-1.76%	estimate
2012	2,939	-14	-0.47%	estimate
2013	2,943	+4	+0.14%	estimate
2014	2,893	-50	-1.70%	estimate
2015	2,904	+11	+0.38%	estimate
2016	2,848	-56	-1.93%	estimate
2017	2,842	-6	-0.21%	estimate
2018	2,782	-60	-2.11%	estimate
2019	2,779	-3	-0.11%	estimate
2020	2,804	+25	+0.90%	estimate
2021	2,791	-13	-0.46%	estimate
2022	2,757	-34	-1.22%	estimate
2023	2,758	+1	+0.04%	estimate
2024	2,774	+16	+0.58%	estimate

Race & Ethnicity

White	96.1%
Black or African American	0.1%
Asian	0.0%
Hispanic or Latino (any race)	0.4%
Two or More Races	0.0%

Age & Sex

47.7

Median Age

50.6%

Female

49.4%

Male

26.5%

Age 65+

Age Distribution

Under 5

6.3%

5–9

4.3%

10–14

5.8%

15–19

4.2%

20–24

2.7%

25–34

9.1%

35–44

13.4%

45–54

11.4%

55–59

5.5%

60–64

10.8%

65–74

15.2%

75–84

4.8%

85+

6.5%

Children (under 15): 16.4% · Seniors (65+): 26.5%

Income & Poverty

Median household income	$73,375+$736 vs state
Mean household income	$91,101
Per-capita income	$43,336
Poverty rate	3.7%-4.0% vs state
Unemployment rate	0.7%
Employment-to-population	64.0%

Top Industries by Employment

Professional & business services

22.4%

Agriculture

15.1%

Manufacturing

9.4%

Construction

8.6%

Finance & real estate

6.8%

Retail trade

6.3%

Education & health care

5.3%

Information

5.2%

The largest employment sector in Trego County is professional & business services, accounting for 22.4% of workers.

How residents commute

0.0%

Drive alone

3.4%

Carpool

77.3%

Public transit

7.8%

Work from home

15.7 min

Avg commute

Housing

$115,400$-88,000 vs state

Median home value

$694

Median rent

77.9%

Homeownership rate

1,673

Total housing units

80.5%

Occupied

19.5%

Vacant

22.1%

Renter-occupied

Social & access

94.8%

With health insurance

93.6%

With broadband internet

18.3%

Foreign-born

7.3%

Veterans (18+)

11.5%

With a disability

99.3%

Speak language other than English at home

Education

96.4%

High School+

28.7%

Bachelor's+

Largest cities in Kansas

Wichita (396,488)Overland Park (197,199)Kansas City (154,776)Olathe (143,720)Topeka (126,103)Lawrence (95,459)Shawnee (68,175)Lenexa (57,986)Manhattan (53,951)Salina (46,432)All Kansas cities →

Other counties in Kansas

Johnson County (614,764)Sedgwick County (524,810)Shawnee County (178,315)Wyandotte County (167,277)Douglas County (119,547)Leavenworth County (82,493)Riley County (71,710)Butler County (67,916)Reno County (61,693)Saline County (53,801)All Kansas counties →

Part of Kansas

Kansas demographic profile All Kansas data →

Metro areas in Kansas

Kansas City (2,202,006)Wichita (648,935)Topeka (232,724)Joplin (202,258)Manhattan (133,413)St. Joseph (120,609)Lawrence (119,547)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Trego County, Kansas has a population of 2,778 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 85th-largest county in Kansas. Population density is 3 people per square mile.

The population of Trego County has declined 7.7% since 2010 (3,006 → 2,774), a -0.57% annualized rate.

The median household income in Trego County, Kansas is $73,375, with mean (average) household income of $91,101 and per-capita income of $43,336. 3.7% of residents live below the federal poverty level.

In Trego County, the largest racial and ethnic groups are White (96.1%), Hispanic or Latino (0.4%), Black or African American (0.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Trego County, Kansas is 47.7 years. Residents are 50.6% female and 49.4% male.

The median home value in Trego County is $115,400 and median monthly rent is $694. 77.9% of occupied housing units are owner-occupied. The county has 1,673 total housing units, 19.5% of which are vacant.

The largest employment sector in Trego County, Kansas is professional, scientific, and management services, employing 22.4% of workers. The unemployment rate is 0.7%.

Wichita is among the largest cities associated with Trego County, Kansas, with a population of 396,488.