US ZIP Code
83631

Idaho City, ID

Boise County  ·  Idaho

● Active
👥 1,737 Population ↑ 99% since 2019
💰 $80,968 Median HH Income
≈ Avg ↑ 105% since 2019
🎂 44.3 Median Age ↓ 17% since 2019
🏠 $373,500 Median Home Value
▲ 34% above avg ↑ 144% since 2019
🎓 34.4% College Grads
▼ 11% below avg
📊 5.9% Unemployment
▲ 21% above avg ↓ 30% since 2019
ZIP Code Details
ZIP Code83631
CityIdaho City
StateIdaho (ID)
CountyBoise County
Area Code208/986
Elevation4,397 ft
Latitude43.884695
Longitude-115.777315
TimezoneBoise (DST)
FIPS16015
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.9% (850) Female 51.1% (887) ♀

Race & Ethnicity

White: 76.3%Hispanic: 6.3%Black: 0.1%Asian: 0.8%Other: 9%Race
White76.3%
Hispanic6.3%
Black0.1%
Asian0.8%
Other9.0%

Age Breakdown

Under 5
4%
5–17
12%
18–24
9%
25–44
28%
45–64
31%
65+
2%

Key Indicators

Median Age44.3 yrs ↓ 17% since 2019
Avg Household Size2.43
Below Poverty3.3% ▼ 67% below avg
College Grads34.4% ▼ 11% below avg
Unemployment5.9% ▲ 21% above avg
HS Graduate175 (13.8%)
Some College315 (24.8%)
Associates342 (27%)
Bachelors110 (8.7%)
Graduate Degree327 (25.8%)

Education

HS Grad: 13.8%Some College: 24.8%Associates: 27%Bachelors: 8.7%Graduate: 25.8%Edu
HS Grad13.8%
Some College24.8%
Associates27.0%
Bachelors8.7%
Graduate25.8%
Housing & Income

Housing Tenure

Owner: 81.9%Renter: 18.1%Tenure
Owner81.9%
Renter18.1%

Home Value Distribution

Under $50k
21%
$50k–100k
7%
$100k–150k
1%
$150k–200k
0%
$200k–300k
10%
$300k–500k
20%
Over $500k
41%

Financials

Median HH Income$80,968 ≈ Avg ↑ 105% since 2019
Median Home Value$373,500 ▲ 34% above avg ↑ 144% since 2019
Home/Income Ratio4.6x (nat avg ~3.5x)
Median Rent$776/mo ↑ 9% since 2019
Total Units1,115
Vacant Units401
Avg HH Size2.43

Income Distribution

Under $25k
5%
$25k–50k
10%
$50k–75k
22%
$75k–100k
25%
$100k–150k
24%
$150k–200k
14%
Employment & Commute

How People Get to Work

Drove Alone
57%
Walked
11%
Work From Home
32%

Commute Time

Under 15 min
29%
15–30 min
23%
30–45 min
12%
Over 45 min
35%
Housing Stock

Year Built

1940s–1950s
5%
1960s–1970s
17%
1980s–1990s
19%
2000+
59%

Summary

Total Units1,115
Vacant401
Owner Occupied81.9%
Renter Occupied18.1%
Avg HH Size2.43
Frequently Asked Questions
ZIP code 83631 is in Idaho City, ID, in Boise County.
ZIP code 83631 is located in Idaho (ID).
ZIP code 83631 is in Boise County, ID.
ZIP 83631 observes the Boise timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 83631 is 1,737 people (ACS 2023).
The median household income in ZIP code 83631 is $80,968 (ACS 2023).
The median home value in ZIP 83631 is $373,500 (ACS 2023).
About ZIP Code 83631

ZIP code 83631 is located in Idaho City, Idaho, within Boise County. With a population of 1,737, this is a sparsely populated ZIP code with a middle-aged community — the median age is 44.3 years. Economically, 83631 is a middle-income ZIP code: the median household income of $80,968 is near the national average.

Real estate in ZIP code 83631 represents a mid-range housing market. The median home value of $373,500 is above the national average. Renters can expect to pay around $776 per month in median rent. Homeownership is strong here — 81.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 144% since 2019.

The population of 83631 is primarily White (76.28%). Residents are moderately educated — 34.4% hold a bachelor's degree or higher, which is near the national average. Poverty affects a relatively small share of residents at 3.3%. Household income has grown by 105% since 2019.

The unemployment rate in 83631 stands at 5.9%, which is above the national average. A notably high share of workers — 29% — work from home, reflecting the professional makeup of the area. As in most parts of the country, driving alone is the dominant commute mode at 53%.

Overall, ZIP code 83631 in Idaho City, ID is characterized as middle-income, moderately educated, a middle-aged community, and predominantly owner-occupied. With 1,737 residents, a median household income of $80,968, and a median home value of $373,500, it offers a clear picture of life in this part of Idaho.