Londonderry, NH Demographics

A map of Londonderry's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	11,181	10,394	91.5%	89.3%
Hispanic	644	548	5.3%	4.7%
Multiracial	241	417	2.0%	3.6%
Native American/Other	61	47	0.5%	0.4%
Asian	50	155	0.4%	1.3%
Black	48	84	0.4%	0.7%

Londonderry, New Hampshire has an estimated population of 12,225, an increase from the 11,645 recorded in the 2020 Census. The population is 91.5% White, 5.3% Hispanic, 2.0% Multiracial, 0.5% Native American/Other, 0.4% Black, and 0.4% Asian. This demographic dot map shows the population of Londonderry, with one dot drawn for each person counted by the Census, color-coded by race.

Londonderry has become less racially diverse since the 2020 Census. It is considerably less diverse than New Hampshire overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Londonderry, that probability was 20.0% in 2020 and 16.0% in the most recent ACS estimates.

Londonderry is ranked the 12th most populous place in New Hampshire, out of 100 places. This ranking is based on the Census definition of a place, which includes incorporated places like cities, towns, and villages, as well as unincorporated census-designated places (CDPs). Londonderry was ranked the 13th most populous place in the 2020 Census.

Londonderry's White Population

11,181 residents of Londonderry, or 91.5% of the population, identify as White. The share of White residents in Londonderry is slightly higher than in New Hampshire overall, where 86.9% of the population is White. Londonderry ranks 71st statewide in terms of White residents as a share of the population, out of 100 places.

Since the 2020 Census, Londonderry's White population has grown by an estimated 7.6%. White residents' share of Londonderry's population has increased from 89.3% to 91.5%.

Londonderry is more White than neighboring Derry (89.4% White), East Merrimack (88.1% White), Manchester (72.3% White), and Nashua (69.5% White). Londonderry is less White than neighboring Hudson (91.8% White).

Londonderry's Black Population

48 residents of Londonderry, or 0.4% of the population, identify as Black. The share of Black residents in Londonderry is comparable to the share in New Hampshire overall, where 1.3% of the population is Black. Londonderry ranks 40th statewide in terms of Black residents as a share of the population, out of 100 places.

Since the 2020 Census, Londonderry's Black population has declined by an estimated 42.9%. Black residents' share of Londonderry's population has remained roughly unchanged at 0.4%.

Londonderry is more Black than neighboring Derry (0.1% Black). Londonderry is less Black than neighboring Hudson (4.8% Black), East Merrimack (0.9% Black), Manchester (4.2% Black), and Nashua (2.8% Black).

Londonderry's Asian Population

50 residents of Londonderry, or 0.4% of the population, identify as Asian. The share of Asian residents in Londonderry is slightly lower than in New Hampshire overall, where 2.6% of the population is Asian. Londonderry ranks 36th statewide in terms of Asian residents as a share of the population, out of 100 places.

Since the 2020 Census, Londonderry's Asian population has declined by an estimated 67.7%. Asian residents' share of Londonderry's population has decreased from 1.3% to 0.4%.

Londonderry is more Asian than neighboring Hudson (0.1% Asian). Londonderry is less Asian than neighboring Derry (2.8% Asian), East Merrimack (2.9% Asian), Manchester (4.1% Asian), and Nashua (8.3% Asian).

Londonderry's Hispanic Population

644 residents of Londonderry, or 5.3% of the population, identify as Hispanic. The share of Hispanic residents in Londonderry is comparable to the share in New Hampshire overall, where 4.7% of the population is Hispanic. Londonderry ranks 11th statewide in terms of Hispanic residents as a share of the population, out of 100 places.

Since the 2020 Census, Londonderry's Hispanic population has grown by an estimated 17.5%. Hispanic residents' share of Londonderry's population has increased from 4.7% to 5.3%.

Londonderry is more Hispanic than neighboring Derry (4.5% Hispanic), Hudson (1.2% Hispanic), and East Merrimack (3.2% Hispanic). Londonderry is less Hispanic than neighboring Manchester (13.8% Hispanic), and Nashua (14.7% Hispanic).

Londonderry's Native American/Other Population

61 residents of Londonderry, or 0.5% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Londonderry is comparable to the share in New Hampshire overall, where 0.5% of the population is Native American/Other. Londonderry ranks 71st statewide in terms of Native American/Other residents as a share of the population, out of 100 places.

Since the 2020 Census, Londonderry's Native American/Other population has grown by an estimated 29.8%. Native American/Other residents' share of Londonderry's population has remained roughly unchanged at 0.5%.

Londonderry is more Native American/Other than neighboring Derry (0.1% Native American/Other), and Hudson (0.3% Native American/Other). Londonderry is less Native American/Other than neighboring East Merrimack (1.2% Native American/Other), and Manchester (0.6% Native American/Other).

Londonderry's Multiracial Population

241 residents of Londonderry, or 2.0% of the population, identify as Multiracial. The share of Multiracial residents in Londonderry is comparable to the share in New Hampshire overall, where 4% of the population is Multiracial. Londonderry ranks 68th statewide in terms of Multiracial residents as a share of the population, out of 100 places.

Since the 2020 Census, Londonderry's Multiracial population has declined by an estimated 42.2%. Multiracial residents' share of Londonderry's population has decreased from 3.6% to 2.0%.

Londonderry is more Multiracial than neighboring Hudson (1.8% Multiracial). Londonderry is less Multiracial than neighboring Derry (3% Multiracial), East Merrimack (3.7% Multiracial), Manchester (5% Multiracial), and Nashua (4.2% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.