Midvale ZIP Code List — Washington County, ID

There is one unique ZIP code in Midvale, Idaho and it is 83645. Area code: 208.

ZIP codes

416.95

sq mi land

5.92

sq mi water

208

area code

Midvale, ID ZIP code map

About Midvale, ID

Midvale, Idaho, is a small and charming city located in Washington County. Known for its rural character and close-knit community, Midvale offers a picturesque setting with beautiful landscapes typical of the American West. The city serves as a quiet retreat for those looking to escape the hustle and bustle of larger urban areas.

Location & geography

Geographically, Midvale is positioned in the southwestern part of Idaho, surrounded by rolling hills and farmland. It is approximately 22 miles from the city of Ontario, Oregon, and 25 miles from Weiser, Idaho. The area spans a total land area of 416.95 square miles, with a small water area of 5.92 square miles, making it ideal for those who enjoy outdoor activities.

Community & economy

The community in Midvale is characterized by its agricultural roots, with many residents involved in farming and ranching industries. Daily life in Midvale is marked by a strong sense of community, with local events and gatherings fostering connections among residents. The city attracts visitors with its tranquil atmosphere and scenic beauty, making it a desirable place for both living and visiting.

Transportation

Transportation in and out of Midvale is mainly facilitated by U.S. Route 95, which connects the city to larger urban centers. The nearest major airport is located in Ontario, Oregon, providing access for residents and visitors flying to and from the region. Public transit options are limited, as the city is primarily served by personal vehicles.

History

Midvale was founded in the late 19th century and has primarily been shaped by agricultural activities, which remain a key part of the local economy. In its early days, the city served as a trading post for farmers in the surrounding area, helping it grow into a community hub. Notable events in its history include the establishment of local schools and churches that contributed to community building.

Did you know?

One surprising fact about Midvale is that it is home to the annual Midvale Rodeo, which showcases local talent and attracts visitors from surrounding areas. The city also features beautiful landscapes that appeal to outdoor enthusiasts and nature lovers alike.

ZIP codes for Midvale, ID (1)

ZIP code	City	County	Map
83645	Midvale	Washington	View map

Demographics & statistics

881

Population

45.8

Median age

$77,188

Median household income

$29,420

Per capita income

$286,800

Median home value

$639

Median monthly rent

83.2%

Home ownership

24.1%

Poverty rate

1.2%

Unemployment

312

Housing units

16.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	207	23.5%
18 and over	674	76.5%
65 and over	201	22.8%
Median age	45.8 years

Race & ethnicity

White 91%

Two or more races 7.1%

Hispanic or Latino 1.3%

Other race 0.6%

Group	Count	%
White	813	91%
Two or more races	63	7.1%
Hispanic or Latino	12	1.3%
Other race	5	0.6%

Household income

Under $10k 6.8%

$10k–$15k 4.2%

$15k–$25k 6.5%

$25k–$35k 9.1%

$35k–$50k 10.4%

$50k–$75k 12.0%

$75k–$100k 14.2%

$100k–$150k 33.3%

$150k–$200k 1.0%

$200k+ 2.6%

Range	% of households
Under $10k	6.8%
$10k–$15k	4.2%
$15k–$25k	6.5%
$25k–$35k	9.1%
$35k–$50k	10.4%
$50k–$75k	12.0%
$75k–$100k	14.2%
$100k–$150k	33.3%
$150k–$200k	1.0%
$200k+	2.6%
Median income	$77,188

Housing

Home values

Under $50k 0.8%

$50k–$100k 8.9%

$100k–$150k 8.9%

$150k–$200k 12.1%

$200k–$300k 21.0%

$300k–$500k 38.5%

$500k–$1M 6.6%

$1M+ 3.1%

Housing overview

Metric	Value
Median home value	$286,800
Median rent / month	$639
Owner occupied	83.2%
Renter occupied	16.8%
Vacant	15.1%
Single-family detached	75.0%
Large apartment buildings	0.0%
Mobile homes	24.2%
Median rooms	5.4
Avg household size (owned)	2.93

Year built

Era	%
2020 or later	0.5%
2010–2019	3.8%
2000–2009	26.6%
1990–1999	14.3%
1980–1989	3.0%
1970–1979	23.1%
1960–1969	2.2%
1950–1959	2.7%
1940–1949	4.9%
1939 or earlier	18.7%

Bedrooms

Size	% of units
No bedroom (studio)	5.8%
1 bedroom	6.0%
2 bedrooms	14.6%
3 bedrooms	48.6%
4 bedrooms	18.4%
5+ bedrooms	6.6%

Vehicles per household

Vehicles	% of households
No vehicle	1.6%
1 vehicle	17.5%
2 vehicles	31.1%
3 or more	49.8%

Heating fuel

Fuel type	%
Utility gas	0.6%
Electricity	42.4%
Propane / LP gas	7.8%
Fuel oil	6.1%
Wood	23.0%

Households & families

Household type	Count	%
Married-couple family	228	73.8%
Cohabiting couple	7	2.3%
Male householder, no spouse	45	14.6%
Female householder, no spouse	29	9.4%
Households with children under 18	85	27.5%
Households with seniors (65+)	118	38.2%
Average household size	2.85

Marital status

Status	Male	Female
Never married	15.9%	22.4%
Married	70.7%	66.8%
Separated	1.1%	0.8%
Widowed	2.0%	4.2%
Divorced	10.3%	5.8%

Education

Less than 9th grade 1.6%

Some HS, no diploma 2.4%

HS graduate 27.6%

Some college, no degree 26.5%

Associate's degree 25.4%

Bachelor's degree 11.7%

Graduate / professional 4.8%

Metric	%
HS diploma or higher	96.0%
Bachelor's or higher	16.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	12	6.4%
Kindergarten	6	3.2%
Elementary school	80	42.8%
High school	80	42.8%
College / grad school	9	4.8%

Employment

Industry of employment

Public administration 21.6%

Education & healthcare 20.1%

Agriculture & mining 18.9%

Construction 11.9%

Arts, food & hospitality 6.6%

Information 5.6%

Transportation & utilities 4.1%

Professional & management 3.4%

Retail trade 2.4%

Manufacturing 1.7%

Other services 1.7%

Finance & real estate 1.5%

Wholesale trade 0.5%

Occupation

Category	%
Management, business & arts	26.7%
Service	15.0%
Sales & office	17.5%
Natural resources & construction	32.8%
Production & transportation	8.0%

Employment type

Type	%
Private sector	40.5%
Government	38.6%
Self-employed	20.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.0%
Carpool	3.6%
Public transit	0.0%
Walk	1.5%
Other means	4.3%
Avg commute (minutes)	16.3

Poverty

All people 24.1%

Under 18 years 39.6%

18 and over 19.3%

Married-couple families 10.5%

Female-led households 85.7%

Income support

Source	% of households
Social Security	37.5%
Retirement income	20.4%
Supplemental Security	7.1%
Cash public assistance	2.6%
Food stamps / SNAP	3.9%

Health indicators

Condition	%
High blood pressure	41.1%
High cholesterol	37.1%
Heart disease	10.1%
Stroke	4.6%
Asthma	9.9%
Arthritis	32.8%
Kidney disease	4.1%
Pulmonary disease	9.4%
Cancer	9.2%

Behavior / access	%
Binge drinking	12.0%
No physical activity	25.0%
Less than 7 hrs sleep	28.4%
Fair or poor health	17.8%
Poor mental health	12.6%
Poor physical health	13.8%
No health insurance	14.2%
Visited doctor (checkup)	75.4%
Visited dentist	63.0%
Cholesterol screening	90.2%
Teeth loss	16.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	68	10.1%

Disability	%
Any disability	14.9%
Under 18	0.0%
18–64 years	14.2%
65 and over	31.8%

Health insurance coverage

Type	%
Private insurance	58.2%
Public insurance	40.3%
Uninsured under 19	18.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	830	94.2%
Spanish	16	1.9%
Other Indo-European	16	1.9%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	877	99.5%
Born in same state	877	99.5%
Born in different state	391	44.4%
Foreign born	0	0.0%
Naturalized citizen	4	0.5%
Not a US citizen	3	75.0%

Ancestry

Ancestry	Count	%
French	123	14%
Italian	102	11.6%
Polish	35	4%

Ancestry	Count	%
Arab	29	3.3%
Dutch	15	1.7%
English	2	0.2%

Technology access

Metric	% of households
Computer access	35.1%
Internet access	90.3%

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

Frequently asked questions

What is the ZIP code for Midvale, ID?

Midvale, ID has one ZIP code: 83645.

What is the main ZIP code for Midvale, ID?

The primary ZIP code for Midvale, ID is 83645. The city uses area code 208 for phone service.

What county is Midvale, ID in?

Midvale is located in Washington County, Idaho.

How many ZIP codes are in Midvale, ID?

Midvale, ID has 1 ZIP code.

What is the ZIP code for downtown Midvale, Idaho?

Downtown Midvale is located in ZIP code 83645, which serves the central business district and residential areas of this Washington County community.

What ZIP code should I use for mailing addresses in Midvale, Idaho?

All mailing addresses in Midvale, Idaho use the ZIP code 83645, as this is the only ZIP code designated for the city.