Most Diverse Cities In Oregon For 2020

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

Editor’s Note: We updated this article for 2020. This is our sixth time ranking the most diverse places in Oregon.

Most Diverse Cities In Oregon

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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 Oregon 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 76 cities in Oregon from most to least diverse.

So what city is the most diverse in Oregon? According to the most Census data, Hillsboro took the number one over all spot for diversity in Oregon.

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

And if you already knew these places were diverse, check out:

The 10 Most Diverse Places In Oregon For 2020

Hillsboro, OR

Overall SnackAbility


Population: 104,730

HHI: 3,935
% White: 56.8%
% African American: 2.0%
% Asian: 11.6%
More on Hillsboro: PhotosData

Hillsboro is the fifth-largest city in the State of Oregon and is the county seat of Washington County. Lying in the Tualatin Valley on the west side of the Portland metropolitan area, the city hosts many high-technology companies, such as Intel, that comprise what has become known as the Silicon Forest. At the 2010 Census, the city's population was 91,611.

Madras, OR

Source: Wikipedia
Overall SnackAbility


Population: 6,674

HHI: 4,025
% White: 48.4%
% African American: 1.4%
% Asian: 1.4%
More on Madras: PhotosData

Madras is a city in Jefferson County, Oregon, United States. Originally called "The Basin" after the circular valley the city is in, it is unclear whether Madras was named in 1903 for the cotton fabric called "Madras" that originated in the city of Madras in Tamil Nadu, India, or from the name of the city itself. The population was 6,046 at the 2010 census. It is the county seat of Jefferson County.

Umatilla, OR

Overall SnackAbility


Population: 7,114

HHI: 4,277
% White: 49.4%
% African American: 3.0%
% Asian: 0.2%
More on Umatilla: PhotosData

Umatilla is a city in Umatilla County, Oregon, United States. It is named for the Umatilla River, which enters the Columbia River on the side of the city. The river is named after the Umatilla Tribe. The city is on the south side of the Columbia River along U.S. Route 730 and I-82.

Cornelius, OR

Overall SnackAbility


Population: 12,575

HHI: 4,446
% White: 42.2%
% African American: 1.1%
% Asian: 2.1%
More on Cornelius: PhotosData

Cornelius is a city in Washington County, Oregon, United States. Located in the Portland metropolitan area, the city's population was 11,869 at the 2010 census. The city lies along Tualatin Valley Highway between Forest Grove to the west and Hillsboro to the east. Cornelius was incorporated in 1893 and is named for founder Thomas R. Cornelius.

Beaverton, OR

Source: Public domain
Overall SnackAbility


Population: 97,012

HHI: 4,504
% White: 63.6%
% African American: 2.0%
% Asian: 12.8%
More on Beaverton: PhotosData

Beaverton is a city in Washington County, in the U.S. state of Oregon. The city center is 7 miles west of downtown Portland in the Tualatin River Valley. As of the 2010 census, the population is 89,803. This makes it the second-largest city in the county and Oregon's sixth-largest city. Fire protection and EMS services are provided through Tualatin Valley Fire and Rescue.

Gresham, OR

Overall SnackAbility


Population: 110,770

HHI: 4,610
% White: 64.2%
% African American: 4.9%
% Asian: 4.1%
More on Gresham: PhotosData

Gresham is a city located in Multnomah County, Oregon, in the United States, immediately east of Portland. Though it began as a settlement in the mid-1800s, it was not officially incorporated as a city until 1905; it was named after Walter Quinton Gresham, the American Civil War general and United States Postmaster General.

Ontario, OR

Overall SnackAbility


Population: 10,997

HHI: 4,651
% White: 51.4%
% African American: 0.4%
% Asian: 1.0%
More on Ontario: PhotosData

Ontario is the largest city in Malheur County, Oregon, United States. It lies along the Snake River at the Idaho border. The population was 11,366 at the 2010 census. The city is the largest community in the region of far eastern Oregon, also known as the Western Treasure Valley.

Milton-Freewater, OR

Source: Wikipedia
Overall SnackAbility


Population: 7,035

HHI: 4,711
% White: 47.8%
% African American: 0.0%
% Asian: 1.2%
More on Milton-Freewater: PhotosData

Milton-Freewater is a city in Umatilla County, Oregon, United States. The city received its current name in 1951 when the neighboring rival cities of Milton and Freewater voted to merge. The population was 7,050 at the 2010 census. It is part of the Pendleton-Hermiston Micropolitan Statistical Area. Milton-Freewater is home to a growing wine industry.

Woodburn, OR

Source: Public domain
Overall SnackAbility


Population: 25,417

HHI: 4,750
% White: 39.9%
% African American: 0.4%
% Asian: 1.0%
More on Woodburn: PhotosData

Woodburn is a city in Marion County, Oregon, United States. Incorporated in 1889, the community had been platted in 1871 after the arrival of the railroad. The city is located in the northern end of the Willamette Valley between Portland and Salem. Interstate 5 connects it to major cities to the north and south. Oregon routes 211, 214, 219, and 99E also serve the city, as do Union Pacific and Willamette Valley Railway freight rail lines.

Hermiston, OR

Overall SnackAbility


Population: 17,346

HHI: 4,844
% White: 54.0%
% African American: 0.4%
% Asian: 0.3%
More on Hermiston: PhotosData

Hermiston is a city in Umatilla County, Oregon, United States. The population of 17,985 makes it the largest city in Eastern Oregon. Hermiston is the largest, and fastest-growing, city in the Hermiston-Pendleton Micropolitan Statistical Area, the eighth largest Core Based Statistical Area in Oregon with a combined population of 87,062 at the 2010 census. Hermiston sits near the junction of I-82 and I-84, & is 7 miles south of the Columbia River, Lake Wallula, and the McNary Dam. The Hermiston area has become a transportation and logistics hub due to the proximity of the I-82 and I-84 interchange, and central location between the major Pacific Northwest metropolitan areas. The city is also known for its watermelons, which are part of its branding.

How we determined the most diverse cities in Oregon for 2020

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 Oregon.

That lead us to the Census's most recently available data, the 2014-2018 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 76 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 3,935 (Hillsboro) to 8,507 (Sweet Home).

Finally, we ranked each city based on the HHI with a lower score being more diverse than a high score. Hillsboro took the distinction of being the most diverse, while Sweet Home was the least diverse city. You can download the data here.

Read on for more information on how the cities in Oregon 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.

There You Have It - Diversity Across Oregon

If you're looking for a scientific breakdown of diversity across Oregon, this is an accurate list.

If you're curious enough, here are the least diverse places in Oregon:

  1. Sweet Home
  2. Florence
  3. Baker City

For more Oregon reading, check out:

Detailed List Of The Most Diverse Cities In Oregon For 2020

Rank City Population HHI
1 Hillsboro, OR 104,730 3,935
2 Madras, OR 6,674 4,025
3 Umatilla, OR 7,114 4,277
4 Cornelius, OR 12,575 4,446
5 Beaverton, OR 97,012 4,504
6 Gresham, OR 110,770 4,610
7 Ontario, OR 10,997 4,651
8 Milton-Freewater, OR 7,035 4,711
9 Woodburn, OR 25,417 4,750
10 Hermiston, OR 17,346 4,844
11 Forest Grove, OR 23,923 5,070
12 Salem, OR 166,756 5,077
13 Independence, OR 9,556 5,122
14 Portland, OR 639,387 5,180
15 Happy Valley, OR 19,471 5,211
16 Monmouth, OR 10,131 5,346
17 Mcminnville, OR 33,662 5,438
18 Sheridan, OR 6,106 5,451
19 Stayton, OR 8,025 5,559
20 Troutdale, OR 16,559 5,611
21 Keizer, OR 38,479 5,648
22 Newport, OR 10,381 5,755
23 Tualatin, OR 27,338 5,766
24 Tigard, OR 52,368 5,906
25 Fairview, OR 9,303 5,966
26 Wilsonville, OR 23,418 5,976
27 Corvallis, OR 57,213 6,020
28 Medford, OR 80,051 6,036
29 Pendleton, OR 16,713 6,085
30 The Dalles, OR 15,320 6,150
31 Klamath Falls, OR 21,138 6,231
32 Eugene, OR 165,997 6,235
33 Hood River, OR 7,688 6,321
34 Molalla, OR 9,082 6,358
35 North Bend, OR 9,615 6,384
36 Lincoln City, OR 8,684 6,480
37 Canby, OR 17,527 6,483
38 Springfield, OR 61,525 6,529
39 Talent, OR 6,424 6,544
40 Newberg, OR 23,167 6,565
41 Tillamook, OR 5,176 6,606
42 Gladstone, OR 12,045 6,646
43 Seaside, OR 6,643 6,704
44 Warrenton, OR 5,453 6,808
45 Albany, OR 52,736 6,810
46 Redmond, OR 29,234 6,889
47 Coos Bay, OR 16,176 6,909
48 Lake Oswego, OR 38,705 6,949
49 Central Point, OR 18,130 6,970
50 Creswell, OR 5,291 6,985
51 Prineville, OR 9,748 7,002
52 Cottage Grove, OR 10,083 7,016
53 Winston, OR 5,406 7,059
54 West Linn, OR 26,511 7,060
55 Milwaukie, OR 20,955 7,079
56 Grants Pass, OR 37,201 7,217
57 Astoria, OR 9,747 7,243
58 St. Helens, OR 13,446 7,259
59 Junction City, OR 5,946 7,288
60 Oregon City, OR 36,040 7,305
61 Sandy, OR 10,834 7,318
62 Bend, OR 90,500 7,427
63 La Grande, OR 13,103 7,468
64 Roseburg, OR 22,988 7,492
65 Ashland, OR 20,912 7,495
66 Lebanon, OR 16,599 7,540
67 Sherwood, OR 19,337 7,580
68 Brookings, OR 6,413 7,624
69 Eagle Point, OR 9,015 7,640
70 Scappoose, OR 7,125 7,962
71 Sutherlin, OR 7,941 8,004
72 Dallas, OR 15,805 8,033
73 Silverton, OR 10,028 8,037
74 Baker City, OR 9,738 8,100
75 Florence, OR 8,815 8,179
76 Sweet Home, OR 9,435 8,507

How Is The Area In ?

About Chris Kolmar

Chris Kolmar has been in the real estate business for almost ten years now. He originally worked for Movoto Real Estate as the director of marketing before founding HomeSnacks.

He believes the key to finding the right place to live comes down to looking at the data, reading about things to do, and, most importantly, checking it out yourself before you move.

If you've been looking for a place to live in the past several years, you've probably stumbled upon his writing already.

You can find out more about him on LinkedIn or his website.