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
- $89,750
- Median income
- $361,800
- Median home value
- 38.0%
- Bachelor's or higher
The verdict
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.
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 Idaho average), while per-capita income is $41,891. Poverty here runs at 2.8%, with unemployment measured at 2.8%. The typical home here is valued at $361,800 (5% below the state average); renters pay a median of $856 monthly, and 88.2% of units 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 -. We also surface 1 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Latah County, so you can benchmark 83871 against its immediate geography rather than a national average alone.
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
$41,891
Per Capita Income
2.8%
Poverty Rate
2.8%
Unemployment Rate
How ZIP 83871 ranks nationally
Troy, ID household income vs. every US ZIP code
Median household income, the full national distribution, with this ZIP marked
$89,750 Top 27% higher than 73% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US 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?
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
$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 |
More ZIP Codes in Latah County
Related Areas
Frequently Asked Questions
What county is ZIP code 83871 in? ▼
What is the population of ZIP code 83871? ▼
What is the median household income in ZIP 83871? ▼
What is the average home value in ZIP 83871? ▼
What is the demographic makeup of ZIP 83871? ▼
How many businesses are in ZIP code 83871? ▼
What are the main industries in ZIP code 83871? ▼
How have home values changed in ZIP code 83871? ▼
What is the education level in ZIP code 83871? ▼
What percentage of residents own vs. rent in ZIP 83871? ▼
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Read our methodology to see how this data is sourced, computed, and verified.