83704 ZIP Code — Boise, ID

Ada County, Idaho

ZIP code 83704 is located in Boise, Idaho, within Ada County. It covers approximately 8.75 square miles and serves a population of 40,520 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 208/986.

About ZIP code 83704

The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $320,900. Owner-occupancy sits near the national average at 64%.

Median household income is $68,285. 31% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 18 minutes is near the national average.

Educational attainment is near the national average, with 32% of residents holding a bachelor's degree or higher.

40,520
population
8.75
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
83704 ZIP code map
Cities in ZIP code 83704

Below are the cities the US Postal Service accepts for ZIP code 83704. Using any city not on this list may result in mail delivery delays.

City Status
Boise Acceptable
Boise Preferred
Nearby ZIP codes
83713 Boise (2.7 mi) 83713 Boise (2.7 mi) 83703 Boise (2.9 mi) 83756 Boise (4.3 mi) 83735 Boise (4.3 mi) 83732 Boise (4.3 mi) 83722 Boise (4.3 mi) 83724 Boise (4.3 mi) 83729 Boise (4.3 mi) 83726 Boise (4.3 mi) 83728 Boise (4.3 mi) 83720 Boise (4.3 mi)
Demographics updated 05/2026
Population
Total population 40,520
Population density 4,631 / sq mi
State FIPS 16
County FIPS 001
Geography
Land area 8.75 sq mi
Water area 0.04 sq mi
Latitude 43.6322
Longitude -116.2849
Timezone Mountain (MT)
Area code 208/986
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 45.1% 33.8% 41.8%
$50k – $100k 37.4% 34.4% 34.0%
$100k – $200k 14.4% 23.7% 19.5%
Over $200k 3.2% 8.2% 4.7%

Demographics & statistics

40,520
Population
4,631
People per sq mi
38.4
Median age
$68,285
Median household income
$34,937
Per capita income
$320,900
Median home value
$1,219
Median monthly rent
64.1%
Home ownership
10.2%
Poverty rate
4.0%
Unemployment
11,366
Housing units
32.4%
Bachelor's or higher

Age distribution

Male Female
1,028
Under 5
1,031
872
5–9
874
989
10–14
991
1,294
15–19
1,297
1,378
20–24
1,382
3,540
25–34
3,551
2,866
35–44
2,874
2,132
45–54
2,138
1,118
55–59
1,122
1,235
60–64
1,239
2,278
65–74
2,284
1,083
75–84
1,087
418
85+
419
← Male
Female →

Age summary

GroupCount%
Under 187,43818.4%
18 and over33,08281.6%
65 and over7,56918.7%
Median age38.4 years

Race & ethnicity

White 78.1%
Two or more races 7.1%
Hispanic or Latino 6.3%
Other race 3.6%
Asian 2.7%
American Indian / Alaska Native 1.3%
Black or African American 0.9%
Native Hawaiian / Pacific Islander 0.1%
GroupCount%
White33,76378.1%
Two or more races3,0767.1%
Hispanic or Latino2,7176.3%
Other race1,5393.6%
Asian1,1482.7%
American Indian / Alaska Native5551.3%
Black or African American4010.9%
Native Hawaiian / Pacific Islander380.1%

Household income

Income range This ZIP County avg State avg
Under $50k 45.1% 33.8% 41.8%
$50k – $100k 37.4% 34.4% 34.0%
$100k – $200k 14.4% 23.7% 19.5%
Over $200k 3.2% 8.2% 4.7%
Under $10k 3.2%
$10k–$15k 1.5%
$15k–$25k 6.7%
$25k–$35k 9.3%
$35k–$50k 14.2%
$50k–$75k 22.1%
$75k–$100k 17.8%
$100k–$150k 15.1%
$150k–$200k 5.5%
$200k+ 4.7%
Range% of households
Under $10k3.2%
$10k–$15k1.5%
$15k–$25k6.7%
$25k–$35k9.3%
$35k–$50k14.2%
$50k–$75k22.1%
$75k–$100k17.8%
$100k–$150k15.1%
$150k–$200k5.5%
$200k+4.7%
Median income$68,285

Housing

Home values

Under $50k 6.5%
$50k–$100k 0.7%
$100k–$150k 2.4%
$150k–$200k 5.2%
$200k–$300k 29.3%
$300k–$500k 42.2%
$500k–$1M 13.3%
$1M+ 0.3%

Housing overview

MetricValue
Median home value$320,900
Median rent / month$1,219
Owner occupied64.1%
Renter occupied35.9%
Vacant4.6%
Single-family detached58.2%
Large apartment buildings6.5%
Mobile homes6.9%
Median rooms5.3
Avg household size (owned)2.46

Year built

Era%
2020 or later0.3%
2010–20195.5%
2000–20096.8%
1990–199919.6%
1980–198917.0%
1970–197928.5%
1960–196912.0%
1950–19597.1%
1940–19492.0%
1939 or earlier1.2%

Bedrooms

Size% of units
No bedroom (studio)2.3%
1 bedroom7.2%
2 bedrooms29.4%
3 bedrooms41.8%
4 bedrooms13.2%
5+ bedrooms6.1%

Vehicles per household

Vehicles% of households
No vehicle3.8%
1 vehicle34.4%
2 vehicles38.6%
3 or more23.2%

Heating fuel

Fuel type%
Utility gas62.9%
Electricity31.5%
Propane / LP gas3.0%
Fuel oil0.4%
Wood1.5%
Solar0.1%
No fuel used0.5%

Households & families

Household typeCount%
Married-couple family7,40244.9%
Cohabiting couple1,4648.9%
Male householder, no spouse3,01518.3%
Female householder, no spouse4,59727.9%
Households with children under 184,02024.4%
Households with seniors (65+)5,13431.2%
Average household size2.40

Marital status

StatusMaleFemale
Never married36.8%29.1%
Married46.2%44.9%
Separated0.4%1.1%
Widowed2.5%8.1%
Divorced14.1%16.8%

Education

Less than 9th grade 2.8%
Some HS, no diploma 4.3%
HS graduate 26.0%
Some college, no degree 25.3%
Associate's degree 9.2%
Bachelor's degree 22.7%
Graduate / professional 9.7%
Metric%
HS diploma or higher92.9%
Bachelor's or higher32.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool2803.5%
Kindergarten3013.8%
Elementary school2,97737.4%
High school2,02525.4%
College / grad school2,38129.9%

Employment

Industry of employment

Education & healthcare 21.4%
Construction 12.0%
Retail trade 11.8%
Professional & management 11.4%
Arts, food & hospitality 8.7%
Manufacturing 7.8%
Finance & real estate 6.8%
Public administration 5.2%
Other services 4.7%
Transportation & utilities 4.1%
Wholesale trade 3.3%
Information 2.2%
Agriculture & mining 0.7%

Occupation

Category%
Management, business & arts41.4%
Service16.3%
Sales & office21.1%
Natural resources & construction10.4%
Production & transportation10.8%

Employment type

Type%
Private sector80.0%
Government12.1%
Self-employed7.8%
Unpaid family workers0.1%

Commute

Method%
Drive alone72.7%
Carpool9.2%
Public transit0.4%
Walk3.4%
Work from home12.0%
Other means2.3%
Avg commute (minutes)18.1

Poverty

All people 10.2%
Under 18 years 13.5%
18 and over 9.5%
Married-couple families 4.7%
Female-led households 16.2%

Income support

Source% of households
Social Security31.1%
Retirement income26.3%
Supplemental Security4.3%
Cash public assistance3.8%
Food stamps / SNAP8.2%

Health indicators

Condition%
Obesity28.6%
High blood pressure29.0%
High cholesterol29.6%
Diabetes8.3%
Heart disease5.6%
Stroke2.7%
Asthma10.0%
Arthritis20.5%
Kidney disease2.7%
Pulmonary disease5.7%
Cancer6.0%
Behavior / access%
Smoking15.8%
Binge drinking17.1%
No physical activity19.9%
Less than 7 hrs sleep28.9%
Depression21.3%
Fair or poor health12.8%
Poor mental health13.9%
Poor physical health9.9%
No health insurance15.4%
Visited doctor (checkup)73.1%
Visited dentist66.4%
Cholesterol screening84.8%
Teeth loss13.0%

Veterans & disability

VeteransCount%
Civilian veterans2,9428.9%
Disability%
Any disability14.7%
Under 185.1%
18–64 years12.5%
65 and over32.5%

Health insurance coverage

Type%
Private insurance65.6%
Public insurance40.0%
No insurance8.4%
Uninsured under 195.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only38,46194.9%
Spanish1,6494.3%
Other Indo-European9102.4%
Asian & Pacific Islander4031.0%
Other languages2130.6%

Place of birth & citizenship

OriginCount%
Native born (US)37,57492.7%
Born in same state36,91491.1%
Born in different state17,57543.4%
Foreign born6601.6%
Naturalized citizen2,9467.3%
Not a US citizen1,46549.7%

Ancestry

AncestryCount%
French7,46218.4%
Italian5,29113.1%
Arab1,8984.7%
Polish9982.5%
English7271.8%
AncestryCount%
German4181%
Dutch2380.6%
Irish2030.5%
Norwegian40%

Technology access

Metric% of households
Computer access40.7%
Internet access96.6%

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

Frequently asked questions about ZIP code 83704

What city is ZIP code 83704 in?

ZIP code 83704 is primarily assigned to Boise, Idaho.

What county is ZIP code 83704 in?

ZIP code 83704 falls within Ada County, Idaho.

What is the typical home value in ZIP code 83704?

The median home value in ZIP code 83704 is $320,900.

What is the population of ZIP code 83704?

ZIP code 83704 has an estimated population of 40,520 residents, with a density of 4,630 people per square mile.

What is the median household income in ZIP code 83704?

The median household income in ZIP code 83704 is $68,285, below the national median of ~$75,000.

What timezone is ZIP code 83704 in?

ZIP code 83704 observes the MST timezone.

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