Derry Population

2011–2026

21,588

2026 projection

5.7% since 2020 (decrease)

05K10K15K20K25K20122014201620182020202220242026

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 Derry. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202621,588-270.12%
202521,615-530.12%
202321,668-1,3595.90%
202223,027-5442.31%
202123,571+6802.97%
202022,891+1,0744.92%
201921,817-5642.52%
201822,381+30.01%
201722,378-140.06%
201622,392+290.13%

Showing 10 of 15 years.

Derry Demographics

41median age

Median age

Female41.8 yrs
Male39.6 yrs

Adults

17,091
3,166 seniors · 19%13,925 other adults

Sex

Female 52.4% · 11,173Male 47.6% · 10,166

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 213 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

Derry Income

$91,673median household income

Median household income

$91,673

Half of households earn more, half earn less

Median earnings

$61,109

Typical yearly pay for a worker 25 or older.

Poverty rate

4.4%

About 1 in 23 residents

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

Derry 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%42%
Never married35%38%32%
Divorced13%10%15%
Widowed6%2%9%
Separated2%<1%3%

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