Lancaster township Population

2010–2026

18,531

2026 projection

0.6% since 2020 (decrease)

05K10K15K20K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

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Population by year

Population estimates for Lancaster township. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202618,531-610.33%
202518,592-610.33%
202418,653-800.43%
202318,733+1520.82%
202218,581-240.13%
202118,605-300.16%
202018,635+1,4828.64%
201917,153+30.02%
201817,150-10.01%
201717,151+390.23%

Showing 10 of 17 years.

Lancaster township Demographics

39.3median age

Median age

Female38.5 yrs
Male39.6 yrs

Adults

14,557
4,242 seniors · 29%10,315 other adults

Sex

Female 54.1% · 10,088Male 45.9% · 8,553

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 186 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 township Income

$88,912median household income

Median household income

$88,912

Half of households earn more, half earn less

Median earnings

$49,741

Typical yearly pay for a worker 25 or older.

Poverty rate

7%

About 1 in 14 residents

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

Lancaster township Marital Status

53% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married53%57%50%
Never married27%29%26%
Divorced11%10%12%
Widowed7%3%10%
Separated2%2%3%

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