Sterling County Population

1900–2026

1,325

2026 projection

4.2% since 2020 (decrease)

05001K1.5K2K1900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual 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 Sterling County. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20261,325-241.78%
20251,349-241.75%
20241,373-10.07%
20231,374-372.62%
20221,411+352.54%
20211,376-70.51%
20201,383+886.80%
20191,295-110.84%
20181,306+211.63%
20171,285-523.89%

Showing 10 of 27 years.

Sterling County Demographics

32.1median age

Median age

Female34.8 yrs
Male23 yrs

Adults

959
230 seniors (65+) · 24% of adults729 other adults

Sex

Female 51.6% · 757Male 48.4% · 711

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 15 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

Sterling County Income

$64,954median household income

Median household income

$64,954

Half of households earn more, half earn less

Median earnings

$45,333

Typical yearly pay for a worker 25 or older.

Poverty rate

4.3%

About 1 in 23 residents

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

Sterling County Marital Status

60% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married60%64%56%
Never married22%29%17%
Divorced14%5%21%
Widowed4%2%6%
Separated<1%<1%0%

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