Lancaster Population

1820–2026

42,234

2026 projection

3.9% since 2020 (increase)

010K20K30K40K50K1850190019502000

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.
202642,234+2780.66%
202541,956+2030.49%
202441,753+2510.60%
202341,502+2310.56%
202241,271+4361.07%
202140,835+1960.48%
202040,639+970.24%
201940,542+580.14%
201840,484+2080.52%
201740,276+3860.97%

Showing 10 of 36 years.

Lancaster Demographics

37.4median age

Median age

Female38.3 yrs
Male36.5 yrs

Adults

31,901
7,728 seniors · 24%24,173 other adults

Sex

Female 51.5% · 21,256Male 48.5% · 19,993

Population by age

MaleFemale85+ years, male: 32085+ years, female: 90380–84 years, male: 46680–84 years, female: 54775–79 years, male: 53975–79 years, female: 74170–74 years, male: 92470–74 years, female: 1,11165–69 years, male: 1,05765–69 years, female: 1,12060–64 years, male: 97760–64 years, female: 1,15455–59 years, male: 1,46355–59 years, female: 1,11950–54 years, male: 1,11650–54 years, female: 85445–49 years, male: 1,29145–49 years, female: 1,30740–44 years, male: 1,06540–44 years, female: 1,28735–39 years, male: 1,24935–39 years, female: 1,33230–34 years, male: 1,71330–34 years, female: 1,62925–29 years, male: 1,74725–29 years, female: 1,25420–24 years, male: 1,34720–24 years, female: 1,44315–19 years, male: 1,05915–19 years, female: 1,23810–14 years, male: 1,22710–14 years, female: 1,5335–9 years, male: 1,3925–9 years, female: 1,3000–4 years, male: 1,0410–4 years, female: 1,38485+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 412 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

$59,133median household income

Median household income

$59,133

Half of households earn more, half earn less

Median earnings

$47,331

Typical yearly pay for a worker 25 or older.

Poverty rate

12.6%

About 1 in 8 residents

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

Lancaster Marital Status

44% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married44%46%43%
Never married32%35%29%
Divorced15%14%15%
Widowed7%4%10%
Separated2%1%3%

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