Union, ME · standard
ZIP Code 04862
Knox County, Maine - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 3,592
- 21/sq mi Moderate-density area
- $73,536
- Median income Near-median income area
- $252,300
- Median home value Near-median home value
- 34.3%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Union pairs an above-median household income with above-median home values, in a rural, homeowner-dominated area.
- Top 48%
- household income, US ZIPs
- Top 42%
- home value, US ZIPs
- 21
- people per sq mi
- 85%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 04862 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 04862 (Union, ME) rose +19.9% from 2023 to 2024. The all-transactions index moved from 278.8 in 2023 to 334.2 in 2024 (2000 = 100).
ZIP code 04862 covers 168.6 square miles in Union, Knox County, Maine (a standard USPS delivery area), with a modest 3,592 residents on file, a density of 21 people per square mile, in the New York time zone.
ZIP 04862 lands in the middle-income range, with a median household income of $73,536 (0% above the average Maine ZIP), while per-capita income is $38,617. The poverty rate is 10.0%, with unemployment at 2.7%; those measures add context to the income figure. Median home value is $252,300 (11% below the average Maine ZIP) and median rent is $1,125; 84.6% of occupied homes are owner-occupied.
A solid share of residents have a four-year degree: 34.3% of adults hold a bachelor's degree or higher, the median age is 43.2, and the average commute is 30 minutes. The page also surfaces 8 ZIP codes within roughly 10 miles and 6 more in Knox County, so 04862 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 04862
Top 5 sectors by establishment count in Union, ME
Which industries have the most business establishments in ZIP 04862.
- Construction
Construction
18 establishments
- Retail trade
Retail trade
15 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
10 establishments
- Other services (except public administration)
Other services (except public administration)
10 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
9 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 04862, Union, ME · 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
3,592
Population
168.6
Area (sq mi)
21
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 04862?
43.2
Median Age
49.3%
Male
50.7%
Female
1.9%
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?
$73,536
Median Household Income
+0% vs state ZIP avg
$38,617
Per Capita Income
10.0%
Poverty Rate
2.7%
Unemployment Rate
29.7 min
Mean Commute Time
How ZIP 04862 ranks among Maine ZIPs
Union, ME household income vs. every Maine ZIP code
Median household income among 395 reporting Maine ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$73,536 Top 42% higher than 58% of 395 Maine ZIPs
Each bar is a $20K-wide band; taller bars hold more Maine 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
2,055housing units
2,055
Total Housing Units
1,725
Occupied Units
330
Vacant Units
2.32
Avg Household Size
Occupancy Type
$252,300
Median Home Value
-11% vs state ZIP avg
$1,125
Median Rent
1982
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
+19.9%
YoY Change (2024)
334
HPI Index (2000 = 100)
+234%
Total Change Since 2000
Home values in ZIP 04862 have increased 19.9% over the past year (2024). Since 2000, this ZIP has seen +234% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +8.8% | 187 |
| 2021 | +18.9% | 222 |
| 2022 | +21.6% | 270 |
| 2023 | +3.4% | 279 |
| 2024 | +19.9% | 334 |
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 107 business establishments in ZIP 04862, employing approximately 561 people with a combined annual payroll of $22,985,000.
107
Businesses
561
Employees
$23.0M
Annual Payroll
13
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 18 | 16.8% |
| Retail trade | 15 | 14.0% |
| Professional, scientific, and technical services | 10 | 9.3% |
| Other services (except public administration) | 10 | 9.3% |
| Administrative and support and waste management and remediation services | 9 | 8.4% |
| Transportation and warehousing | 8 | 7.5% |
| Arts, entertainment, and recreation | 6 | 5.6% |
| Accommodation and food services | 6 | 5.6% |
| Wholesale trade | 5 | 4.7% |
| Manufacturing | 4 | 3.7% |
| Finance and insurance | 4 | 3.7% |
| Real estate and rental and leasing | 4 | 3.7% |
| Health care and social assistance | 4 | 3.7% |
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 04862 vs 04847 →
ZIP 04862 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 04841
Rockland (04841)
7,297 residents
- 04864
Warren (04864)
4,751 residents
- 04862
Union (04862)
3,592 residents
- 04952 1,829
Morrill (04952)
1,829 residents
- 04847 1,536
Hope (04847)
1,536 residents
- 04354 1,535
Palermo (04354)
1,535 residents
- 04574 1,510
Washington (04574)
1,510 residents
- 04973 1,389
Searsmont (04973)
1,389 residents
- 04949 913
Liberty (04949)
913 residents
What this shows Among its immediate neighbors, ZIP 04862 ranks #3 by population - useful context the national average alone can't give.
ZIP 04862 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 04354
Palermo (04354)
$89,095 median income
- 04973
Searsmont (04973)
$87,000 median income
- 04847
Hope (04847)
$86,766 median income
- 04864
Warren (04864)
$74,616 median income
- 04862
Union (04862)
$73,536 median income
- 04949
Liberty (04949)
$71,146 median income
- 04952
Morrill (04952)
$67,763 median income
- 04574
Washington (04574)
$59,861 median income
- 04841
Rockland (04841)
$56,533 median income
What this shows By household income, ZIP 04862 ranks #5 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 04862, both outside ME so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (3,592 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Knox County
Related Areas
Frequently Asked Questions
What county is ZIP code 04862 in?
ZIP code 04862 (Union) is located in Knox County, Maine. Knox County contains multiple ZIP codes, see the full list at /counties/knox-me.
What is the population of ZIP code 04862?
ZIP code 04862 in Union, ME has a population of 3,592 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 04862?
The median household income in ZIP 04862 is $73,536, which is 4% below the national average of $76,288.
What is the average home value in ZIP 04862?
The median home value in ZIP 04862 is $252,300, which is 9% below the national average of $278,155.
What is the demographic makeup of ZIP 04862?
The largest racial group in ZIP 04862 is White at 94.4%. Hispanic or Latino residents make up 0.4% of the population.
How many businesses are in ZIP code 04862?
ZIP code 04862 has 107 business establishments employing approximately 561 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 04862?
The top industries by establishment count in ZIP 04862 are: Construction (18), Retail trade (15), Professional, scientific, and technical services (10). There are 13 industry sectors represented in total.
How have home values changed in ZIP code 04862?
According to the FHFA House Price Index, home values in ZIP 04862 increased by 19.9% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 234%. 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 04862?
In ZIP code 04862, 67.2% of residents aged 25+ have a high school diploma or higher, and 34.3% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 04862?
The mean commute time for workers in ZIP code 04862 is 29.7 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 04862?
In ZIP code 04862, approximately 84.6% of occupied housing units are owner-occupied and 15.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 04862?
The poverty rate in ZIP code 04862 is 10.0% 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 04862's numbers, next.
- See how ZIP 04862 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Union, ME 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.