Idaho City, ID 83631 ZIP Code Profile


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ZIP Code 83631: Basic Data & USPS Preferred City Name

Preferred Name, USPS
Idaho City, ID 83631

Acceptable Alternative
Centerville, ID 83631
New Centerville, ID 83631
Pioneerville, ID 83631
Star Ranch, ID 83631
Steirman, ID 83631

  • ZIP Code Type: STANDARD
  • County: Boise County
  • Centroid: Latitude 43.87, Longitude -115.774
  • Time Zone: Mountain Time Zone (UTC -7 hours)
  • Observes DST: Yes
  • Businesses Addresses: 59
  • PO Box Addresses: 422
  • Residential Addresses: 225
    • Multi-Family Addresses: 0
    • Single Family Addresses: 225

The ZIP Code maps and database are updated 4 times per year.
Database updated: February 1, 2018, Maps updated: February 1, 2018.

EXTREMELY LOCAL Demographic Data

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83631 ZIP Code Map

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Idaho City, ID 83631 Data & Demographics (As of July 1, 2017)


Total Population 1,276
Daytime Population: Workers 812
Daytime Population: Residents 703
Total Daytime Population (TDP) 1,515
Ratio TDP/Total Population1 1.19
Population in Households 1,276
Population in Familes 1,015
Population in Group Qrtrs 0
Population Density2 5
Diversity Index3 17


Median Household Income $42,383
Average Household Income $56,096
Per Capita Income $25,015


Total Housing Units 978 (100%)
Owner Occupied HU 434 (44.4%)
Renter Occupied HU 135 (13.8%)
Vacant Housing Units 409 (41.8%)
Median Home Value $192,308
Average Home Value $245,046


Total Households 569
Average Household Size 2.24
Family Households 368
Average Family Size 3
  1. If the ratio of the TDP to Total Population is greater than 1, the location gains population during the day when commuting workers are present. If the ratio is less than 1, the location is more of a bedroom community where people commute to another place for work.
  2. Population Density = Total Population per square mile.
  3. The Diversity Index is a scale of 0 to 100 that represents the likelihood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.


2010-2017 2017-2022
Population -0.3% -0.17%
Households -0.24% -0.11%
Families -0.37% -0.22%
Median Household Income   0.67%
Per Capita Income   2.25%

Idaho City, ID 83631 - Peer Comparisons by Rank and Percentile

The table below compares 83631 to the other 275 ZIP Codes in Idaho by rank and percentile using July 1, 2017 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 141 49th
Population Density # 196 29th
Diversity Index # 182 34th
Median Household Income # 153 45th
Per Capita Income # 89 68th

Additional comparisons and rankings can be made with a VERY EASY TO USE Idaho Census Data Comparison Tool.

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