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ZIP Code 83631, Idaho

ZIP Code 83631 profile, demographic data, and geographic information.

ZCTA5 83631 is a 5-digit ZIP Code area located in Boise County, Idaho. As of official census estimates, it has a reported population of 1,916. The land area covers 168.47 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population 1,916 ±392 2020-2024 / Census ACS 5-Year 2024
Median Age 44.3 yrs ±5 2020-2024 / Census ACS 5-Year 2024
Total Households 808 ±179 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 1,170 ±188
Occupied Housing Units 808 ±179
Vacant Housing Units 362 ±149
Median Home Value $409,800 ±$175,145
Median Gross Rent $780 ±$98
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $80,714 ±$15,628
Per Capita Income $34,344 ±$4,614
Poverty Rate 3.6% ±2.6%
Population Below Poverty Level 69 ±52
Unemployment Rate 4.5% ±6.3%
Civilian Labor Force, Employed 874 ±219
Broadband Internet Rate 84.4% ±9.6%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Local Government & Public Administration

Authoritative general-purpose local government units serving this area U.S. Census Bureau GUS (2026) / GMAF
Government Unit Unit Type Jurisdiction Role Contact / Address
GUS Population: 8,581 (2024)
ID: 211994
County Official County Government
Contact: CHAIRMAN
PO BOX 1300, IDAHO CITY ID 83631-1300

Education

Listing 5 local institutions (NCES 2024-2025) External reference via K12Guides
Institution Type Grades Location
Regular School Nearby PK-06 IDAHO CITY, ID
Regular School Nearby PK-12 GARDEN VALLEY, ID
Regular School Nearby 07-12 IDAHO CITY, ID
Regular School Nearby PK-06 LOWMAN, ID
6 Nearby 12-17 GARDEN VALLEY, ID
Source: k12guides.com.

Community Facilities & Infrastructure

Displaying 4 civic institutions across 1 datasets queried CMS • IPEDS • IMLS
Facility Name Category Relationship Address / Location Contact
BOISE BASIN DISTRICT
Library 5.0 mi away 123 MONTGOMERY ST, IDAHO CITY, ID, 83631
(208) 392-4558
BOISE BASIN DISTRICT BOOKMOBILE
Library 5.0 mi away 123 MONTGOMERY ST, IDAHO CITY, ID, 83631
(208) 392-4558
GARDEN VALLEY DISTRICT
Library 18.4 mi away 85 OLD CROUCH RD, GARDEN VALLEY, ID, 83622
(208) 462-3317
HORSESHOE BEND DISTRICT
Library 21.1 mi away 392 HWY 55, HORSESHOE BEND, ID, 83629
(208) 793-2460
Distances calculated from authoritative source coordinates. Source: CMS, IMLS, NCES IPEDS.

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at IDAHO CITY, ID US, located 4.2 miles from ZCTA5 83631. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 35.3° 13.5° 24.4° 3.16" —
February 40.5° 15.9° 28.2° 1.94" —
March 47.8° 22.0° 34.9° 2.26" —
April 56.0° 27.5° 41.7° 1.59" —
May 66.4° 34.5° 50.5° 2.11" —
June 75.3° 40.3° 57.8° 1.09" —
July 87.1° 45.6° 66.3° 0.32" —
August 86.3° 43.6° 65.0° 0.44" —
September 76.5° 35.6° 56.1° 0.77" —
October 61.5° 27.5° 44.5° 1.50" —
November 44.2° 20.7° 32.5° 2.41" —
December 34.6° 13.9° 24.3° 3.53" —
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Nearby Cities & Communities

Listing adjacent communities by spatial proximity (miles) Proximity discovery
Community Name Classification Distance Population
Idaho City city City 4.7 mi —
Placerville city City 9.3 mi —
Lowman CDP CDP 15.2 mi —
Garden Valley CDP CDP 16.7 mi —
Crouch city City 18.7 mi —
Robie Creek CDP CDP 19.4 mi —

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 83631. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.