Olney Population

2011–2026

36,498

2026 projection

3.2% since 2020 (increase)

010K20K30K40K20122014201620182020202220242026

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 Olney. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202636,498+1660.46%
202536,332+3320.46%
202336,000+4781.35%
202235,522-2930.82%
202135,815+4651.32%
202035,350+1590.45%
201935,191-890.25%
201835,280-4861.36%
201735,766+4301.22%
201635,336+2460.70%

Showing 10 of 15 years.

Olney Demographics

41.6median age

Median age

Female43.2 yrs
Male39.8 yrs

Adults

26,429
5,915 seniors · 22%20,514 other adults

Sex

Female 50.2% · 17,971Male 49.8% · 17,826

Population by age

MaleFemale85+ years, male: 23985+ years, female: 30680–84 years, male: 28480–84 years, female: 42175–79 years, male: 54875–79 years, female: 67470–74 years, male: 74070–74 years, female: 78565–69 years, male: 78865–69 years, female: 1,13060–64 years, male: 1,38560–64 years, female: 1,35055–59 years, male: 1,02555–59 years, female: 1,38950–54 years, male: 1,21750–54 years, female: 1,48845–49 years, male: 1,21845–49 years, female: 1,00340–44 years, male: 1,38940–44 years, female: 1,51735–39 years, male: 1,16435–39 years, female: 97730–34 years, male: 73430–34 years, female: 79525–29 years, male: 65325–29 years, female: 62520–24 years, male: 92320–24 years, female: 96415–19 years, male: 1,48315–19 years, female: 1,55010–14 years, male: 1,36310–14 years, female: 1,0115–9 years, male: 1,6295–9 years, female: 1,1230–4 years, male: 1,0440–4 years, female: 86385+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–45005001K1K1.5K1.5K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 358 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

Olney Income

$171,458median household income

Median household income

$171,458

Half of households earn more, half earn less

Median earnings

$90,252

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

Olney Marital Status

59% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married59%63%56%
Never married29%30%27%
Divorced8%5%11%
Widowed3%<1%6%
Separated<1%<1%1%

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

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year