Lancaster Population

1880–2026

40,430

2026 projection

2% since 2020 (decrease)

010K20K30K40K50K18801900192019401960198020002020

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 Lancaster. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202640,430-960.24%
202540,526-3430.84%
202440,869+2240.55%
202340,645+1240.31%
202240,521-1880.46%
202140,709-5441.32%
202041,253+2,0315.18%
201939,222-840.21%
201839,306-980.25%
201739,404+2670.68%

Showing 10 of 30 years.

Lancaster Demographics

35.7median age

Median age

Female39.4 yrs
Male31.3 yrs

Adults

29,334
4,958 seniors · 17%24,376 other adults

Sex

Female 52.3% · 21,347Male 47.7% · 19,473

Population by age

MaleFemale85+ years, male: 13485+ years, female: 30880–84 years, male: 10980–84 years, female: 27275–79 years, male: 57575–79 years, female: 49970–74 years, male: 40470–74 years, female: 96965–69 years, male: 62265–69 years, female: 1,06660–64 years, male: 1,29960–64 years, female: 1,33355–59 years, male: 1,35955–59 years, female: 1,61350–54 years, male: 1,27350–54 years, female: 1,43045–49 years, male: 88445–49 years, female: 1,45840–44 years, male: 1,09440–44 years, female: 1,63235–39 years, male: 1,13835–39 years, female: 1,25730–34 years, male: 1,06830–34 years, female: 1,57225–29 years, male: 1,34725–29 years, female: 1,30820–24 years, male: 1,22620–24 years, female: 83815–19 years, male: 1,81015–19 years, female: 1,55510–14 years, male: 2,13410–14 years, female: 1,0825–9 years, male: 1,1935–9 years, female: 1,7220–4 years, male: 1,8040–4 years, female: 1,43385+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K

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 408 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

Lancaster Income

$68,302median household income

Median household income

$68,302

Half of households earn more, half earn less

Median earnings

$50,644

Typical yearly pay for a worker 25 or older.

Poverty rate

15%

About 1 in 7 residents

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

Lancaster Marital Status

45% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married45%49%41%
Never married38%43%34%
Divorced10%6%13%
Widowed5%2%8%
Separated3%1%4%

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