Sheridan Population

1890–2026

20,267

2026 projection

8.2% since 2020 (increase)

05K10K15K20K25K1900192019401960198020002020

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 Sheridan. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202620,267+2521.26%
202520,015+2211.12%
202419,794+1710.87%
202319,623+3922.04%
202219,231+1730.91%
202119,058+3211.71%
202018,737+1110.60%
201918,626+2111.15%
201818,415+420.23%
201718,373+1210.66%

Showing 10 of 29 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

Sheridan is growing faster than Wyoming and the U.S., and slower than Sheridan County.

  • Sheridan County+7.2%
  • Sheridan+6.5%
  • United States+3.1%
  • Wyoming+1.9%

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.

Sheridan Demographics

39.1median age

Median age

Female39.2 yrs
Male38.9 yrs

Adults

15,013
3,852 seniors (65+) · 26% of adults11,161 other adults

Sex

Female 50.8% · 9,796Male 49.2% · 9,489

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 193 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

Sheridan Income

$62,867median household income

Median household income

$62,867

Half of households earn more, half earn less

Median earnings

$46,043

Typical yearly pay for a worker 25 or older.

Poverty rate

12.5%

About 1 in 8 residents

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

Sheridan Marital Status

51% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married51%54%47%
Never married28%30%25%
Divorced14%12%15%
Widowed7%2%12%
Separated1%2%<1%

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