Jefferson Population

2010–2026

11

2026 projection

22.2% since 2020 (increase)

024681012201020122014201620182020202220242026

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 Jefferson. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261100.00%
20251100.00%
20241100.00%
20231100.00%
20221100.00%
202111+222.22%
20209-110.00%
20191000.00%
201810+111.11%
2017900.00%

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

Jefferson has a population change higher than Grant County, and lower than Oklahoma and the U.S.

  • Oklahoma+4.0%
  • United States+3.1%
  • Jefferson0.0%
  • Grant County−2.8%

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.

Jefferson Demographics

72.3median age

Median age

Female73 yrs
Male0 yrs

Adults

7
7 seniors (65+) · 100% of adults0 other adults

Sex

Female 57.1% · 4Male 42.9% · 3

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 0.07 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

Jefferson Marital Status

0% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married0%0%0%
Never married0%0%0%
Divorced43%100%0%
Widowed57%0%100%
Separated0%0%0%

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