ZIP Code 04330
standardSource:
Augusta · Kennebec County · Maine
- Population
- 26,086
- Median income
- $54,775
- Median home value
- $217,300
- Bachelor's or higher
- 28.8%
- Land area
- 303.3 sq mi
86/sq mi
▼ 28% vs US
higher than 21% of US ZIPs
▼ 22% vs US
higher than 48% of US ZIPs
Median age 42.6
New York
ZIP code 04330 in Augusta, Maine has a population of 26,086. The median household income is $54,775, which is 28% below the national average. Median home value is $217,300, 22% below the US average. 28.8% of residents hold a bachelor's degree or higher.
ZIP code 04330 is classified by USPS as a standard delivery area and covers roughly 303.3 square miles in Augusta, Kennebec County, Maine. The area is home to 26,086 residents, producing a population density of 86 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 04330 against Maine and the nation.
On the economic side, the median household income for ZIP 04330 sits at $54,775 (25% below the Maine average), while per-capita income is $36,923. The poverty rate stands at 15.0% and the unemployment rate at 5.3%. On housing, the median home value is $217,300 (23% below the state average) with median rent at $950 per month, and 62.2% of occupied units are owner-occupied, a direct signal of whether 04330 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 28.8% of adults hold a bachelor's degree or higher, the median age is 42.6, and the average commute is 22 minutes. We also surface 7 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Kennebec County, so you can benchmark 04330 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 04330
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 04330.
- Health care and social assistance
Health care and social assistance
199 establishments
- Retail trade
Retail trade
171 establishments
- Other services (except public administration)
Other services (except public administration)
135 establishments
- Accommodation and food services
Accommodation and food services
94 establishments
- Professional, scientific, and technical services 78
Professional, scientific, and technical services
78 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 + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 04330, Augusta, ME · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
26,086
Population
303.3
Area (sq mi)
86
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 04330?
42.6
Median Age
45.5%
Male
54.5%
Female
2.6%
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?
$54,775
Median Household Income
-25% vs state
$36,923
Per Capita Income
15.0%
Poverty Rate
5.3%
Unemployment Rate
21.9 min
Mean Commute Time
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?
13,342
Total Housing Units
12,370
Occupied Units
972
Vacant Units
2.08
Avg Household Size
Occupancy Type
$217,300
Median Home Value
-23% vs state
$950
Median Rent
1972
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
+6.2%
YoY Change (2024)
290
HPI Index (2000 = 100)
+190%
Total Change Since 2000
Home values in ZIP 04330 have increased 6.2% over the past year (2024). Since 2000, this ZIP has seen +190% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +7.5% | 173 |
| 2021 | +17.8% | 204 |
| 2022 | +12.7% | 230 |
| 2023 | +18.5% | 273 |
| 2024 | +6.2% | 290 |
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 1,031 business establishments in ZIP 04330, employing approximately 20,287 people with a combined annual payroll of $1,226,108,000.
1,031
Businesses
20,287
Employees
$1.2B
Annual Payroll
18
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 199 | 19.3% |
| Retail trade | 171 | 16.6% |
| Other services (except public administration) | 135 | 13.1% |
| Accommodation and food services | 94 | 9.1% |
| Professional, scientific, and technical services | 78 | 7.6% |
| Construction | 70 | 6.8% |
| Finance and insurance | 56 | 5.4% |
| Administrative and support and waste management and remediation services | 52 | 5.0% |
| Real estate and rental and leasing | 38 | 3.7% |
| Wholesale trade | 29 | 2.8% |
| Transportation and warehousing | 21 | 2.0% |
| Educational services | 21 | 2.0% |
| Information | 20 | 1.9% |
| Manufacturing | 16 | 1.6% |
| Arts, entertainment, and recreation | 13 | 1.3% |
| Management of companies and enterprises | 9 | 0.9% |
| Agriculture, forestry, fishing and hunting | 4 | 0.4% |
| Utilities | 4 | 0.4% |
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 04330 vs 04346 →
More ZIP Codes in Kennebec County
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Frequently Asked Questions
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What is the demographic makeup of ZIP 04330? ▼
How many businesses are in ZIP code 04330? ▼
What are the main industries in ZIP code 04330? ▼
How have home values changed in ZIP code 04330? ▼
What is the education level in ZIP code 04330? ▼
What is the average commute time in ZIP 04330? ▼
What percentage of residents own vs. rent in ZIP 04330? ▼
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ZIP Code Research Guides
Official Data Resources for Augusta, ME
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.