Monroe ZIP Codes — Benton County, OR

There is one unique ZIP code in Monroe, Oregon and it is 97456. Area code: 541.

ZIP codes

91.86

sq mi land

0.70

sq mi water

541

area code

Monroe, OR ZIP code map

About Monroe, OR

Monroe is a charming city located in Benton County, Oregon, known for its friendly community and serene rural atmosphere. As a small town, it offers a close-knit environment where residents enjoy a slower pace of life. The city is an ideal location for those looking for a quaint living experience surrounded by picturesque landscapes.

Location & geography

Monroe sits in the central part of Benton County, offering easy access to nearby cities such as Corvallis, which is approximately 14 miles to the northwest, and Junction City, roughly 10 miles to the northeast. The terrain is characterized by rolling hills and lush farmland, reflecting the beautiful natural environment of the Willamette Valley. Covering 91.86 square miles of land and 0.70 square miles of water, Monroe features a variety of landscapes and open spaces.

Community & economy

The character of Monroe is marked by its agricultural roots, with many residents engaged in farming and related industries. The city celebrates its community spirit with various local events and gatherings that foster a sense of belonging among its residents. Daily life here often revolves around local schools, parks, and the vibrant interaction of neighbors.

Transportation

Monroe is conveniently accessible via Highway 99W, which runs through the city and connects it to larger nearby towns and cities. The nearest airport is the Eugene Airport, located about 22 miles to the south, offering both domestic and regional flights. Public transportation options may be limited but are supplemented by local driving routes and community carpooling.

History

Monroe was established in the late 19th century and has roots in agricultural development, reflecting the rich farmland of the surrounding area. Over the years, the city has maintained a focus on farming and has seen growth in local businesses that support this industry. Although small in size, Monroe has a vivid history that includes community-driven events that commemorate its founding.

Did you know?

A little-known fact about Monroe is that it is home to a variety of scenic parks and recreation areas, making it a hidden gem for outdoor enthusiasts. Additionally, the city hosts a yearly fair that celebrates its agricultural heritage and brings the community together.

ZIP codes for Monroe, OR (1)

ZIP code	City	County	Map
97456	Monroe	Benton	View map

Demographics & statistics

3,190

Population

41.6

Median age

$64,625

Median household income

$31,397

Per capita income

$355,900

Median home value

$1,068

Median monthly rent

77.3%

Home ownership

22.2%

Poverty rate

13.4%

Unemployment

957

Housing units

24.9%

Bachelor's or higher

Age distribution

Male Female

Under 5

102

5–9

111

10–14

125

15–19

104

20–24

102

114

25–34

128

265

35–44

299

109

45–54

123

103

55–59

116

168

60–64

189

235

65–74

266

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	684	21.4%
18 and over	2,506	78.6%
65 and over	599	18.8%
Median age	41.6 years

Race & ethnicity

White 69.4%

Hispanic or Latino 10.1%

Other race 9.9%

Two or more races 7.6%

American Indian / Alaska Native 2%

Asian 1%

Group	Count	%
White	2,462	69.4%
Hispanic or Latino	357	10.1%
Other race	350	9.9%
Two or more races	270	7.6%
American Indian / Alaska Native	72	2%
Asian	36	1%

Household income

Under $10k 4.8%

$10k–$15k 2.3%

$15k–$25k 6.5%

$25k–$35k 9.6%

$35k–$50k 12.5%

$50k–$75k 18.4%

$75k–$100k 11.8%

$100k–$150k 17.3%

$150k–$200k 11.1%

$200k+ 5.7%

Range	% of households
Under $10k	4.8%
$10k–$15k	2.3%
$15k–$25k	6.5%
$25k–$35k	9.6%
$35k–$50k	12.5%
$50k–$75k	18.4%
$75k–$100k	11.8%
$100k–$150k	17.3%
$150k–$200k	11.1%
$200k+	5.7%
Median income	$64,625

Housing

Home values

Under $50k 6.5%

$50k–$100k 1.1%

$100k–$150k 3.6%

$150k–$200k 0.9%

$200k–$300k 31.9%

$300k–$500k 19.3%

$500k–$1M 32.4%

$1M+ 4.3%

Housing overview

Metric	Value
Median home value	$355,900
Median rent / month	$1,068
Owner occupied	77.3%
Renter occupied	22.7%
Vacant	5.7%
Single-family detached	65.8%
Large apartment buildings	0.0%
Mobile homes	32.1%
Median rooms	6.2
Avg household size (owned)	2.60

Year built

Era	%
2020 or later	1.9%
2010–2019	10.8%
2000–2009	12.3%
1990–1999	14.5%
1980–1989	10.3%
1970–1979	21.4%
1960–1969	6.2%
1950–1959	1.9%
1940–1949	7.7%
1939 or earlier	12.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.5%
2 bedrooms	19.6%
3 bedrooms	47.6%
4 bedrooms	21.0%
5+ bedrooms	8.2%

Vehicles per household

Vehicles	% of households
No vehicle	5.2%
1 vehicle	15.9%
2 vehicles	47.6%
3 or more	31.4%

Heating fuel

Fuel type	%
Utility gas	0.4%
Electricity	61.1%
Propane / LP gas	7.0%
Fuel oil	1.3%
Wood	28.0%

Households & families

Household type	Count	%
Married-couple family	645	56.2%
Cohabiting couple	86	7.5%
Male householder, no spouse	136	11.8%
Female householder, no spouse	281	24.5%
Households with children under 18	355	30.9%
Households with seniors (65+)	387	33.7%
Average household size	2.78

Marital status

Status	Male	Female
Never married	28.2%	29.6%
Married	58.1%	48.1%
Separated	4.9%	5.8%
Widowed	0.6%	4.4%
Divorced	8.2%	12.1%

Education

Less than 9th grade 3.4%

Some HS, no diploma 11.4%

HS graduate 28.9%

Some college, no degree 23.9%

Associate's degree 7.5%

Bachelor's degree 15.9%

Graduate / professional 9.0%

Metric	%
HS diploma or higher	85.2%
Bachelor's or higher	24.9%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	53	9.0%
Kindergarten	13	2.2%
Elementary school	332	56.7%
High school	138	23.5%
College / grad school	50	8.5%

Employment

Industry of employment

Education & healthcare 19.3%

Construction 12.3%

Manufacturing 11.6%

Agriculture & mining 11.2%

Public administration 7.6%

Professional & management 7.4%

Retail trade 6.0%

Finance & real estate 6.0%

Information 5.8%

Transportation & utilities 5.2%

Other services 3.8%

Arts, food & hospitality 2.5%

Wholesale trade 1.4%

Occupation

Category	%
Management, business & arts	44.2%
Service	10.2%
Sales & office	16.3%
Natural resources & construction	15.1%
Production & transportation	14.1%

Employment type

Type	%
Private sector	69.5%
Government	18.1%
Self-employed	12.1%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	66.8%
Carpool	5.8%
Public transit	0.0%
Walk	9.3%
Other means	0.8%
Avg commute (minutes)	36.8

Poverty

All people 22.2%

Under 18 years 36.8%

18 and over 18.2%

Married-couple families 12.4%

Female-led households 32.4%

Income support

Source	% of households
Social Security	36.5%
Retirement income	28.0%
Supplemental Security	8.9%
Cash public assistance	1.0%
Food stamps / SNAP	18.0%

Health indicators

Condition	%
High blood pressure	30.5%
High cholesterol	32.3%
Heart disease	6.5%
Stroke	3.1%
Asthma	10.5%
Arthritis	24.4%
Kidney disease	2.9%
Pulmonary disease	6.8%
Cancer	7.4%

Behavior / access	%
Binge drinking	16.6%
No physical activity	17.7%
Less than 7 hrs sleep	26.5%
Fair or poor health	13.2%
Poor mental health	14.4%
Poor physical health	10.3%
No health insurance	10.4%
Visited doctor (checkup)	72.4%
Visited dentist	68.1%
Cholesterol screening	91.2%
Teeth loss	12.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	195	7.8%

Disability	%
Any disability	11.7%
Under 18	6.4%
18–64 years	12.3%
65 and over	15.7%

Health insurance coverage

Type	%
Private insurance	52.4%
Public insurance	45.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,998	94.0%
Spanish	115	3.8%
Other Indo-European	103	3.4%
Asian & Pacific Islander	0	0.0%
Other languages	12	0.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,941	92.2%
Born in same state	2,906	91.1%
Born in different state	1,658	52.0%
Foreign born	35	1.1%
Naturalized citizen	249	7.8%
Not a US citizen	46	18.5%

Ancestry

Ancestry	Count	%
French	767	24%
Italian	318	10%
Arab	99	3.1%
Polish	60	1.9%

Ancestry	Count	%
Dutch	37	1.2%
Irish	19	0.6%
German	13	0.4%
English	9	0.3%

Technology access

Metric	% of households
Computer access	36.0%
Internet access	87.3%

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

Frequently asked questions

What ZIP codes does Monroe, OR have?

Monroe, OR has one ZIP code: 97456. Each ZIP code serves a distinct delivery area within the city and surrounding region.