These Are The 10 Most Diverse Cities In New Hampshire


We used data and science to determine the most diverse cities in New Hampshire.

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Most Diverse Cities In NH

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Race relations in America seem to be hitting a tipping point.

While we still haven’t dealt with racism as a society, the election of Donald Trump to the presidency has only flamed the tensions that have been mounting for years.

Part of the reason for that tension? The country as a whole continues to self segregate across race, income, and party lines. But it’s not all bad on the race relations front.

There are parts of New Hampshire where there’s a high level of diversity — where people of all walks of life come together. We decided to shine a light on those places today.

Using a standard measure of diversity, we ranked all 13 cities in New Hampshire from most to least diverse. Here’s a look at the top ten:

  1. Nashua (Photos)
  2. Manchester (Photos)
  3. Lebanon (Photos)
  4. Somersworth (Photos)
  5. Portsmouth (Photos)
  6. Dover (Photos)
  7. Berlin (Photos)
  8. Concord (Photos)
  9. Keene (Photos)
  10. Rochester (Photos)

Nashua took the number one over all spot for diversity in New Hampshire.

Read on below to see how we crunched the numbers and how your town ranked. To see where New Hampshire ranked as a state, we have a ranking of the most diverse states in Ameria.

You can also check out the whitest places in New Hampshire for a look at the opposite side of the coin.

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How We Determined The Most Diverse Cities In New Hampshire

We still believe in the accuracy of data — especially from the census. So that’s where we went to get the breakdown of race across New Hampshire.

That lead us to the Census’s most recently available data, the 2011-2015 American Community Survey data from the US Census.

Specifically, we looked at table B03002: HISPANIC OR LATINO ORIGIN BY RACE. Here are the category names as defined by the Census:

  • White alone*
  • Black or African American alone*
  • American Indian and Alaska Native alone*
  • Asian alone*
  • Native Hawaiian and Other Pacific Islander alone*
  • Some other race alone*
  • Two or more races*
  • Hispanic or Latino
* Not hispanic or latino

We limited our analysis to non-CDPs with a population greater than 5,000 people. That left us with 13 cities.

We then calculated the HHI for each city by finding the racial breakdown of a city in percent terms, squaring them, and then adding the squares together. This left us with scores ranging from 5908 (Nashua) to 9433 (Claremont).

Finally, we ranked each city based on the HHI with a lower score being more diverse than a high score. Nashua took the distinction of being the most diverse, while Claremont was the least diverse city.

Read on for more information on how the cities in New Hampshire ranked for diversity or, for a more general take on diversity in america, head over to our ranking of the most diverse cities in America.

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1. Nashua

Nashua, New Hampshire

Source: Wikipedia

Population: 87,110
HHI: 5,908
% White: 75.53%
% African American: 2.42%
% Asian: 7.63%

2. Manchester

Manchester, New Hampshire

Source: Wikipedia

Population: 110,139
HHI: 6,526
% White: 80.03%
% African American: 4.6%
% Asian: 4.57%

3. Lebanon

Lebanon, New Hampshire

Source: Wikipedia

Population: 13,535
HHI: 6,875
% White: 82.33%
% African American: 0.62%
% Asian: 7.74%

4. Somersworth

Somersworth, New Hampshire

Source: Wikipedia

Population: 11,778
HHI: 7,140
% White: 84.1%
% African American: 2.83%
% Asian: 6.29%

5. Portsmouth

Portsmouth, New Hampshire

Source: Wikipedia

Population: 21,426
HHI: 7,656
% White: 87.24%
% African American: 1.87%
% Asian: 4.84%

6. Dover

Dover, New Hampshire

Source: Wikipedia

Population: 30,534
HHI: 7,999
% White: 89.24%
% African American: 1.11%
% Asian: 4.58%

7. Berlin

Berlin, New Hampshire

Source: Wikipedia

Population: 9,580
HHI: 8,095
% White: 89.79%
% African American: 4.74%
% Asian: 0.28%

8. Concord

Concord, New Hampshire

Source: Wikipedia

Population: 42,537
HHI: 8,178
% White: 90.31%
% African American: 2.6%
% Asian: 2.98%

9. Keene

Keene, New Hampshire

Source: Wikipedia

Population: 23,403
HHI: 8,578
% White: 92.54%
% African American: 1.03%
% Asian: 1.56%

10. Rochester

Rochester, New Hampshire

Source: Wikipedia

Population: 29,954
HHI: 8,890
% White: 94.24%
% African American: 0.7%
% Asian: 0.96%

There You Have It – Diversity Across New Hampshire

If you’re looking for a scientific breakdown of diversity across New Hampshire, this is an accurate list.

If you’re curious enough, here are the least diverse places in New Hampshire:

  1. Claremont
  2. Laconia
  3. Franklin

For more New Hampshire reading , check out:

Detailed List Of The Most Diverse Cities In New Hampshire

City Rank HHI Population
Nashua 1 5,908 87,110
Manchester 2 6,526 110,139
Lebanon 3 6,875 13,535
Somersworth 4 7,140 11,778
Portsmouth 5 7,656 21,426
Dover 6 7,999 30,534
Berlin 7 8,095 9,580
Concord 8 8,178 42,537
Keene 9 8,578 23,403
Rochester 10 8,890 29,954
Franklin 11 9,047 8,460
Laconia 12 9,083 16,075
Claremont 13 9,433 13,076

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