North Plains ZIP Codes — Washington County, OR

There is one unique ZIP code in North Plains, Oregon and it is 97133. Area code: 503/971.

ZIP codes

76.81

sq mi land

0.02

sq mi water

503/971

area code

North Plains, OR ZIP code map

About North Plains, OR

North Plains, Oregon, is a charming city located within Washington County. With its picturesque landscapes and close-knit community, it offers a unique blend of rural charm and access to urban conveniences. The city's vibrant atmosphere makes it a great place for families and individuals looking for a peaceful lifestyle.

Location & geography

Situated in the northwestern part of Oregon, North Plains occupies a land area of 76.81 square miles and has a minor water area of 0.02 square miles. It is approximately 20 miles northwest of Portland, making it a convenient location for commuters. Neighboring cities include Hillsboro, which is about 10 miles to the south, at a similar distance from Cornelius and Forest Grove.

Community & economy

The community of North Plains is characterized by its friendly residents and a strong sense of local pride. Key industries include agriculture, with many farms contributing to the regional economy, as well as a growing tech sector due to its proximity to Portland. Daily life enjoys a balance of outdoor recreational activities and local events that strengthen community ties.

Transportation

North Plains is well connected through Highway 26, a major route that facilitates travel to surrounding areas including Portland. The nearest named airport is Portland International Airport, located about 25 miles southeast of the city. Public transportation options may be limited, but residents rely on personal vehicles and local transit services.

History

Founded in the mid-1800s, North Plains originally developed around farming and agriculture, which remain significant to this day. The city has seen growth in recent years, with an influx of residents attracted by its affordable housing and small-town feel. Notable events include the annual North Plains Harvest Festival, celebrating the community’s agricultural roots.

Did you know?

A surprising fact about North Plains is that it was originally named 'North Tualatin' before its official incorporation in 1974. Additionally, the city is known for its vast open spaces, which provide ample opportunities for outdoor activities such as biking and hiking.

ZIP codes for North Plains, OR (1)

ZIP code	City	County	Map
97133	North Plains	Washington	View map

Demographics & statistics

5,708

Population

43.1

Median age

$116,116

Median household income

$57,198

Per capita income

$605,600

Median home value

$1,673

Median monthly rent

79.4%

Home ownership

5.1%

Poverty rate

3.9%

Unemployment

1,813

Housing units

45.6%

Bachelor's or higher

Age distribution

Male Female

161

Under 5

146

219

5–9

199

156

10–14

141

122

15–19

110

191

20–24

173

374

25–34

340

324

35–44

294

490

45–54

445

226

55–59

205

149

60–64

135

404

65–74

367

149

75–84

136

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,186	20.8%
18 and over	4,522	79.2%
65 and over	1,108	19.4%
Median age	43.1 years

Race & ethnicity

White 74.4%

Asian 8.4%

Two or more races 8%

Black or African American 4.3%

Hispanic or Latino 2.9%

Native Hawaiian / Pacific Islander 0.9%

Other race 0.8%

American Indian / Alaska Native 0.4%

Group	Count	%
White	4,374	74.4%
Asian	496	8.4%
Two or more races	470	8%
Black or African American	250	4.3%
Hispanic or Latino	169	2.9%
Native Hawaiian / Pacific Islander	51	0.9%
Other race	46	0.8%
American Indian / Alaska Native	21	0.4%

Household income

Under $10k 2.3%

$10k–$15k 3.2%

$15k–$25k 10.0%

$25k–$35k 5.0%

$35k–$50k 3.1%

$50k–$75k 6.5%

$75k–$100k 11.0%

$100k–$150k 23.3%

$150k–$200k 12.8%

$200k+ 22.9%

Range	% of households
Under $10k	2.3%
$10k–$15k	3.2%
$15k–$25k	10.0%
$25k–$35k	5.0%
$35k–$50k	3.1%
$50k–$75k	6.5%
$75k–$100k	11.0%
$100k–$150k	23.3%
$150k–$200k	12.8%
$200k+	22.9%
Median income	$116,116

Housing

Home values

Under $50k 1.3%

$100k–$150k 0.5%

$200k–$300k 5.7%

$300k–$500k 29.8%

$500k–$1M 56.5%

$1M+ 6.3%

Housing overview

Metric	Value
Median home value	$605,600
Median rent / month	$1,673
Owner occupied	79.4%
Renter occupied	20.6%
Vacant	2.4%
Single-family detached	89.8%
Large apartment buildings	1.1%
Mobile homes	3.1%
Median rooms	6.1
Avg household size (owned)	2.78

Year built

Era	%
2020 or later	1.9%
2010–2019	30.6%
2000–2009	7.8%
1990–1999	19.2%
1980–1989	13.8%
1970–1979	11.0%
1960–1969	5.4%
1950–1959	0.5%
1940–1949	2.2%
1939 or earlier	7.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.2%
1 bedroom	5.4%
2 bedrooms	14.1%
3 bedrooms	50.1%
4 bedrooms	24.7%
5+ bedrooms	5.6%

Vehicles per household

Vehicles	% of households
No vehicle	1.0%
1 vehicle	24.4%
2 vehicles	39.4%
3 or more	35.2%

Heating fuel

Fuel type	%
Utility gas	44.8%
Electricity	37.3%
Propane / LP gas	3.9%
Fuel oil	6.4%
Wood	4.3%
Solar	2.8%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	1,322	59.7%
Cohabiting couple	82	3.7%
Male householder, no spouse	410	18.5%
Female householder, no spouse	401	18.1%
Households with children under 18	577	26.0%
Households with seniors (65+)	791	35.7%
Average household size	2.56

Marital status

Status	Male	Female
Never married	28.4%	14.9%
Married	60.1%	67.0%
Separated	0.0%	0.0%
Widowed	2.5%	10.0%
Divorced	8.9%	8.1%

Education

Less than 9th grade 0.6%

Some HS, no diploma 2.8%

HS graduate 20.9%

Some college, no degree 23.2%

Associate's degree 6.9%

Bachelor's degree 28.6%

Graduate / professional 17.0%

Metric	%
HS diploma or higher	96.6%
Bachelor's or higher	45.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	109	8.8%
Kindergarten	74	6.0%
Elementary school	497	40.1%
High school	216	17.4%
College / grad school	342	27.6%

Employment

Industry of employment

Manufacturing 24.1%

Retail trade 18.0%

Professional & management 14.9%

Education & healthcare 11.9%

Public administration 8.2%

Finance & real estate 5.2%

Arts, food & hospitality 4.3%

Construction 3.7%

Transportation & utilities 3.3%

Wholesale trade 2.5%

Information 2.0%

Agriculture & mining 1.6%

Other services 0.4%

Occupation

Category	%
Management, business & arts	48.6%
Service	8.7%
Sales & office	26.2%
Natural resources & construction	7.8%
Production & transportation	8.7%

Employment type

Type	%
Private sector	82.4%
Government	13.5%
Self-employed	4.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	76.3%
Carpool	4.4%
Public transit	0.5%
Walk	1.9%
Other means	2.9%
Avg commute (minutes)	22.8

Poverty

All people 5.1%

Under 18 years 1.2%

18 and over 6.1%

Married-couple families 4.9%

Female-led households 7.4%

Income support

Source	% of households
Social Security	29.9%
Retirement income	21.9%
Supplemental Security	2.7%
Cash public assistance	1.6%
Food stamps / SNAP	4.1%

Health indicators

Condition	%
High blood pressure	29.3%
High cholesterol	29.8%
Heart disease	5.1%
Stroke	2.5%
Asthma	10.1%
Arthritis	21.3%
Kidney disease	2.4%
Pulmonary disease	5.2%
Cancer	6.8%

Behavior / access	%
Binge drinking	17.5%
No physical activity	16.0%
Less than 7 hrs sleep	26.2%
Fair or poor health	10.7%
Poor mental health	13.2%
Poor physical health	8.6%
No health insurance	8.7%
Visited doctor (checkup)	74.4%
Visited dentist	74.1%
Cholesterol screening	91.9%
Teeth loss	9.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	243	5.4%

Disability	%
Any disability	9.5%
Under 18	0.9%
18–64 years	5.8%
65 and over	30.3%

Health insurance coverage

Type	%
Private insurance	80.8%
Public insurance	27.4%
Uninsured under 19	5.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	5,401	94.6%
Spanish	107	2.0%
Other Indo-European	3	0.1%
Asian & Pacific Islander	34	0.6%
Other languages	59	1.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	5,007	87.7%
Born in same state	4,873	85.4%
Born in different state	2,657	46.5%
Foreign born	134	2.3%
Naturalized citizen	701	12.3%
Not a US citizen	269	38.4%

Ancestry

Ancestry	Count	%
French	1,136	19.9%
Italian	707	12.4%
English	276	4.8%
Polish	152	2.7%
Arab	89	1.6%

Ancestry	Count	%
Dutch	66	1.2%
German	22	0.4%
Irish	5	0.1%
Norwegian	2	0%

Technology access

Metric	% of households
Computer access	38.8%
Internet access	98.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does North Plains, OR have?

North Plains, OR has one ZIP code: 97133. Each ZIP code serves a distinct delivery area within the city and surrounding region.