Lyndon Population

2010–2026

1,032

2026 projection

0.5% since 2020 (decrease)

02004006008001K1.2K201020122014201620182020202220242026

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 Lyndon. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,03200.00%
20251,032-60.58%
20241,03800.00%
20231,038-40.38%
20221,042-70.67%
20211,049+121.16%
20201,037-50.48%
20191,042+30.29%
20181,039+131.27%
20171,026-30.29%

Showing 10 of 17 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

Lyndon has a population change lower than Osage County, Kansas, and the U.S.

  • United States+3.1%
  • Kansas+1.3%
  • Osage County−0.3%
  • Lyndon−0.6%

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.

Lyndon Demographics

33.4median age

Median age

Female37.3 yrs
Male32.4 yrs

Adults

758
173 seniors (65+) · 23% of adults585 other adults

Sex

Female 53.8% · 550Male 46.2% · 473

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 10 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

Lyndon Income

$67,227median household income

Median household income

$67,227

Half of households earn more, half earn less

Median earnings

$48,276

Typical yearly pay for a worker 25 or older.

Poverty rate

8.8%

About 1 in 11 residents

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

Lyndon Marital Status

47% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married47%48%46%
Never married35%40%31%
Divorced12%10%14%
Widowed6%2%9%
Separated<1%1%0%

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