Londonderry vs Newmarket

A side-by-side comparison of Londonderry and Newmarket: population, income, housing, and more.

Londonderry and Newmarket are places in New Hampshire. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Londonderry has the higher population (12,307 vs 5,730 in Newmarket). Londonderry has the higher median household income ($113,109 vs $83,871 in Newmarket). Londonderry has the higher median home value ($433,100 vs $364,800 in Newmarket).

Population, income & housing

	Londonderry	Newmarket
Population	12,307	5,730
Median age	42.5 yrs	35.9 yrs
Median household income	$113,109	$83,871
Median home value	$433,100	$364,800
Median gross rent	$1,917	$1,668
Housing units	4,634	2,938
Homeownership rate	83.3%	37.9%
Bachelor's degree or higher	46.1%	51.9%
Unemployment rate	4.5%	1.7%

Trends (ACS 5-year, 2019–2023)

	Londonderry	Newmarket
Population	11,841 → 12,307 (+3.9%)	5,660 → 5,730 (+1.2%)
Median household income	$97,596 → $113,109 (+15.9%)	$68,500 → $83,871 (+22.4%)
Median home value	$310,200 → $433,100 (+39.6%)	$255,400 → $364,800 (+42.8%)
Median gross rent	$1,459 → $1,917 (+31.4%)	$1,278 → $1,668 (+30.5%)

Londonderry

Population

11,84112,307

Median household income

$97,596$113,109

Median home value

$310,200$433,100

Median gross rent

$1,459$1,917

Newmarket

Population

5,6605,730

Median household income

$68,500$83,871

Median home value

$255,400$364,800

Median gross rent

$1,278$1,668

Age & race/ethnicity

Age distribution (share)

	Londonderry	Newmarket
Under 5	4.1%	5.7%
5 to 17	14.4%	7.7%
18 to 24	12.1%	8.8%
25 to 34	11.1%	26.1%
35 to 44	12.1%	14.9%
45 to 54	13.9%	12.3%
55 to 64	15.3%	11.0%
65 to 74	9.2%	10.6%
75 and over	7.7%	2.9%

Race & ethnicity (share)

	Londonderry	Newmarket
White (non-Hispanic)	93.1%	88.9%
Black or African American	0.4%	1.0%
American Indian & Alaska Native	0.0%	0.0%
Asian	0.2%	2.7%
Native Hawaiian & Pacific Islander	0.2%	0.0%
Some other race	0.1%	0.1%
Two or more races	1.4%	5.4%
Hispanic or Latino	4.6%	1.9%

Educational attainment (age 25+)

Share of adults 25+

	Londonderry	Newmarket
No high school diploma	3.4%	0.8%
High school graduate	26.5%	12.9%
Some college or associate's	24.0%	34.4%
Bachelor's degree	29.9%	31.4%
Graduate or professional degree	16.3%	20.5%

Commute to work

How workers get to work (share)

	Londonderry	Newmarket
Drove alone	73.0%	75.5%
Carpooled	7.9%	4.1%
Public transit	0.3%	0.6%
Walked	0.5%	5.6%
Bicycle	0.0%	0.0%
Worked from home	16.8%	14.2%
Other means	1.5%	0.0%

Housing

Units in structure (share)

	Londonderry	Newmarket
1-unit, detached	60.4%	26.9%
1-unit, attached	18.2%	12.6%
2 to 4 units	2.4%	11.9%
5 to 19 units	12.1%	17.5%
20 or more units	4.4%	28.7%
Mobile home & other	2.4%	2.4%

Poverty & households

	Londonderry	Newmarket
Poverty rate	2.8%	6.6%
Average household size	2.74	2.01
Mean commute (minutes)	27	27
Median year structure built	1983	1982