Troy, ID · standard
ZIP Code 83871
Latah County, Idaho - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 1,938
- 7/sq mi Low-density area
- $89,750
- Median income Above-median income area
- $361,800
- Median home value Above-median home value
- 38.0%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Troy pairs an above-median household income with upper-quartile home values, in a rural, homeowner-dominated area.
- Top 27%
- household income, US ZIPs
- Top 25%
- home value, US ZIPs
- 7
- people per sq mi
- 88%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 83871 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 83871 (Troy, ID) rose +20.3% from 2023 to 2024. The all-transactions index moved from 320.9 in 2023 to 386.1 in 2024 (2000 = 100).
ZIP code 83871 covers 289.3 square miles in Troy, Latah County, Idaho (a standard USPS delivery area), with a modest 1,938 residents on file, a density of 7 people per square mile, in the Los Angeles time zone.
ZIP 83871 lands in the middle-income range, with a median household income of $89,750 (23% above the average Idaho ZIP), while per-capita income is $41,891. Both reported hardship measures are comparatively low in absolute terms: poverty is 2.8% and unemployment is 2.8%. Median home value is $361,800 (5% below the average Idaho ZIP) and median rent is $856; 88.2% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 38.0% of adults hold a bachelor's degree or higher, the median age is 48.4, and the average commute is -. The page also surfaces 1 ZIP codes within roughly 10 miles and 6 more in Latah County, so 83871 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 83871
Top 5 sectors by establishment count in Troy, ID
Which industries have the most business establishments in ZIP 83871.
- Construction
Construction
12 establishments
- Agriculture, forestry, fishing and hunting
Agriculture, forestry, fishing and hunting
7 establishments
- Manufacturing
Manufacturing
6 establishments
- Wholesale trade 4
Wholesale trade
4 establishments
- Retail trade 4
Retail trade
4 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 83871, Troy, ID · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.
Quick Facts
1,938
Population
289.3
Area (sq mi)
7
People / sq mi
Los Angeles
Time Zone
standard
ZIP Type
Who lives in ZIP 83871?
48.4
Median Age
53.5%
Male
46.5%
Female
0.9%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$89,750
Median Household Income
+23% vs state ZIP avg
$41,891
Per Capita Income
2.8%
Poverty Rate
2.8%
Unemployment Rate
How ZIP 83871 ranks among Idaho ZIPs
Troy, ID household income vs. every Idaho ZIP code
Median household income among 250 reporting Idaho ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$89,750 Top 18% higher than 82% of 250 Idaho ZIPs
Each bar is a $20K-wide band; taller bars hold more Idaho ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
975housing units
975
Total Housing Units
898
Occupied Units
77
Vacant Units
2.49
Avg Household Size
Occupancy Type
$361,800
Median Home Value
-5% vs state ZIP avg
$856
Median Rent
1977
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+20.3%
YoY Change (2024)
386
HPI Index (2000 = 100)
+286%
Total Change Since 2000
Home values in ZIP 83871 have increased 20.3% over the past year (2024). Since 2000, this ZIP has seen +286% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | -1.6% | 205 |
| 2021 | +20.4% | 247 |
| 2022 | +28.6% | 318 |
| 2023 | +1.0% | 321 |
| 2024 | +20.3% | 386 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 43 business establishments in ZIP 83871, employing approximately 165 people with a combined annual payroll of $8,750,000.
43
Businesses
165
Employees
$8.8M
Annual Payroll
6
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 12 | 27.9% |
| Agriculture, forestry, fishing and hunting | 7 | 16.3% |
| Manufacturing | 6 | 13.9% |
| Wholesale trade | 4 | 9.3% |
| Retail trade | 4 | 9.3% |
| Accommodation and food services | 3 | 7.0% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 83871 vs 83857 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 83857 | Princeton, ID | 691 | 10.4 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 83871, both outside ID so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (1,938 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Latah County
Related Areas
Frequently Asked Questions
What county is ZIP code 83871 in?
ZIP code 83871 (Troy) is located in Latah County, Idaho. Latah County contains multiple ZIP codes, see the full list at /counties/latah-id.
What is the population of ZIP code 83871?
ZIP code 83871 in Troy, ID has a population of 1,938 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 83871?
The median household income in ZIP 83871 is $89,750, which is 18% above the national average of $76,288.
What is the average home value in ZIP 83871?
The median home value in ZIP 83871 is $361,800, which is 30% above the national average of $278,155.
What is the demographic makeup of ZIP 83871?
The largest racial group in ZIP 83871 is White at 94.6%. Hispanic or Latino residents make up 2.7% of the population.
How many businesses are in ZIP code 83871?
ZIP code 83871 has 43 business establishments employing approximately 165 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 83871?
The top industries by establishment count in ZIP 83871 are: Construction (12), Agriculture, forestry, fishing and hunting (7), Manufacturing (6). There are 6 industry sectors represented in total.
How have home values changed in ZIP code 83871?
According to the FHFA House Price Index, home values in ZIP 83871 increased by 20.3% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 286%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 83871?
In ZIP code 83871, 65.7% of residents aged 25+ have a high school diploma or higher, and 38.0% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 83871?
In ZIP code 83871, approximately 88.2% of occupied housing units are owner-occupied and 11.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 83871?
The poverty rate in ZIP code 83871 is 2.8% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 83871's numbers, next.
- See how ZIP 83871 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Troy, ID ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.