Winfield Population

1870–2026

11,730

2026 projection

0.4% since 2020 (decrease)

02K4K6K8K10K12K14K18801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Winfield. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202611,730-150.13%
202511,745+370.32%
202411,708+210.18%
202311,687-110.09%
202211,698-860.73%
202111,784+70.06%
202011,777-650.55%
201911,842-1090.91%
201811,951-850.71%
201712,036-1231.01%

Showing 10 of 31 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Winfield has a population change higher than Cowley County, and lower than Kansas and the U.S.

  • United States+3.1%
  • Kansas+1.3%
  • Winfield−0.2%
  • Cowley County−0.4%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Winfield Demographics

38.9median age

Median age

Female42.7 yrs
Male37 yrs

Adults

9,202
2,411 seniors (65+) · 26% of adults6,791 other adults

Sex

Female 48.1% · 5,632Male 51.9% · 6,079

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 117 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Winfield Income

$56,656median household income

Median household income

$56,656

Half of households earn more, half earn less

Median earnings

$39,038

Typical yearly pay for a worker 25 or older.

Poverty rate

15.4%

About 1 in 7 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Winfield Marital Status

38% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married38%37%39%
Never married35%42%28%
Divorced16%15%16%
Widowed10%5%15%
Separated2%2%2%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201