Troy, ID Profile: Facts & Data


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Troy, Idaho - Basic Facts

The City of Troy had a population of 1,018 as of July 1, 2020. Troy ranks in the lower quartile for Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Idaho. See peer rankings below.

The primary coordinate point for Troy is located at latitude 46.7368 and longitude -116.7696 in Latah County. The formal boundaries for the City of Troy encompass a land area of 0.79 sq. miles and a water area of 0 sq. miles. Latah County is in the Pacific time zone (GMT -8). The elevation is 2,487 feet.

The City of Troy (GNIS ID: 2412099) has a C1 Census Class Code which indicates an active incorporated place that does not serve as a county subdivision equivalent. It also has a Functional Status Code of "A" which identifies an active government providing primary general-purpose functions.

Idaho is one of 20 states where Census County Divisions (CCDs) are used for statistical tracking of subdivisions within each county. The City of Troy is located within Troy-Juliaetta-Kendrick Division of Latah County.

Alternate Unofficial Names for Troy: Huffs Gulch, Vollmer.


Troy, ID Data & Demographics (As of July 1, 2020)


Total Population 1,018 (100%)
Population in Households 1,018 (100.0%)
Population in Families 869 (85.4%)
Population in Group Quarters1 0
Population Density 1,287
Diversity Index2 15


Median Household Income $64,261
Average Household Income $79,540
% of Income for Mortgage4 15%
Per Capita Income $30,746
Wealth Index5 83


Total HU (Housing Units) 414 (100%)
Owner Occupied HU 305 (73.7%)
Renter Occupied HU 76 (18.4%)
Vacant Housing Units 33 ( 8.0%)
Median Home Value $225,926
Average Home Value $233,882
Housing Affordability Index3 178


Total Households 381
Average Household Size 2.67
Family Households 281
Average Family Size 3
  1. Group Quarters - a place where people live or stay in a group living arrangement. Includes college residents halls, nursing facilities, military barracks, and correctional facilities.
  2. 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 races 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.
  3. The Housing Affordability Index base is 100 and represents a balance point where a resident with a median household income can normally qualify to purchase a median price home. Values above 100 indicate increased affordability, while values below 100 indicate decreased affordability.
  4. The % of Income for Mortgage quantifies the percentage of median household income dedicated to mortgage payments on a home priced at the median value (assuming a 30-year mortgage and a 20% down payment).
  5. The Wealth Index is based on a number of indicators of affluence including average household income and average net worth, but it also includes the value of material possessions and resources. It represents the wealth of the area relative to the national level. Values above or below 100 represent above-average wealth or below-average wealth compared to the national level.


2010-2020 2020-2025
Population 1.78% 1.67%
Households 1.72% 1.68%
Families 1.63% 1.52%
Median Household Income   1.85%
Per Capita Income   2.71%
Owner Occupied HU   1.65%


Troy, ID - Peer Comparisons by Rank and Percentile

The table below compares Troy to the other 227 incorporated cities, towns and CDPs in Idaho by rank and percentile using July 1, 2020 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 # 92 60th
Population Density # 86 63rd
Median Household Income # 26 89th
Housing Affordability Index # 155 68th
Per Capita Income # 39 83rd
Diversity Index # 190 17th

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

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