Residential delivery area · Maine
ZIP Code 04473: Orono, ME
ZIP code 04473 uses the postal name Orono, Maine and lies entirely in Penobscot County (Census 2020 ZIP-county file). About 8,400 people live there (Census Bureau, ACS 2020-2024), the more populous of Orono's 2 residential ZIP codes. Median household income is $61,528 (Census Bureau, ACS 2020-2024). By Census place, 36% of its land lies in Orono (a census-designated place); 64% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Orono · 2 residential ZIPs
- County
- Penobscot County
- Census places
- Orono census-designated place
- Metro area
- Bangor, ME
- House district
- ME-2 119th Congress
- State
- Maine
- Time zone
- Eastern
- Land area
- 17.3 sq mi · 483 people per sq mi
Where is ZIP code 04473?
04473 centers on 44.882°, -68.739° and covers 17.3 square miles of land plus 1.4 of water. It borders 6 ZIP codes: 04489, 04469, 04401, 04411, 04468, 04428.
The map draws ZIP code areas only. For the streets inside 04473, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 04473 compare with the rest of Orono?
| Measure | 04473 | In Orono | In Penobscot County | In ME |
|---|---|---|---|---|
| People (ACS 2020-2024) | 8,371 | 1st of 2 | 5th of 47 | 41st of 426 |
| Median household income | $62k | 1st of 1 | 14th of 22 | 147th of 200 |
| Median home value | $273k | 1st of 1 | 4th of 28 | 112th of 242 |
Its median household income is higher than in 32% of U.S. residential ZIP codes, and it is denser than 72% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 04473?
The 2020 Census counted 8,070 people in 04473; the ACS, which samples households over 2020-2024, estimates 8,371. Between the 2010 and 2020 censuses its population grew 5.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 8,371
- 2020 Census count
- 8,070+5.4% since 2010 (7,660)
- Households
- 3,308
- Median age
- 26.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 04473?
Of the 8,371 people the ACS estimates in 04473, 9.6% are under 18 and 16.2% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.4%).
- Under 189.6%
- 18 to 6474.1%
- 65 and older16.2%
- White, not Hispanic89.4%
- Other or two or more4.9%
- Asian, not Hispanic2.9%
- Hispanic or Latino2.4%
- Black, not Hispanic0.5%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 04473 earn?
Median household income is $61,528 (ACS 2020-2024), the 14th highest of the 22 ranked ZIP codes in Penobscot County. It is not measurably different from 2015-2019 ($58,316 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $61,528
- Income per person
- $37,978
- Below the poverty line
- 24.9%
- Unemployed (of the labor force)
- 4.2%
- Adults 25+ with a bachelor's degree
- 66.9%
- Adjusted gross income per tax return, 2022
- $72,6622,850 returns; wages 66% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 04473?
FHFA's house price index for 04473, built from repeat sales and appraisals of the same homes, rose 114% from 2015 to 2025 and rose 76% from 2020 to 2025, and moved −1.3% in 2025.
- Median home value (owners' estimate)
- $272,600
- Median gross rent
- $1,255
- Homes owned by their occupants
- 46.6%
- Housing units
- 3,633
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 04473?
131 business establishments had a location in this ZIP code in 2023, 8 more than in 2018; the most are in accommodation and food services (ZIP Code Business Patterns).
- Accommodation and food services22
- Health care and social assistance20
- Retail trade16
- Professional, scientific, and technical services12
- Construction10
- Other services (except public administration)10
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 04473?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 04489 | Stillwater | 214 | – | 3.1 mi |
| 04469 | Orono | 3,531 | – | 3.8 mi |
| 04401 | Bangor | 44,854 | $67k | 5.9 mi |
| 04411 | Bradley | 1,645 | $77k | 9.4 mi |
| 04468 | Old Town | 9,291 | $56k | 10.2 mi |
| 04428 | Eddington | 3,334 | $73k | 10.5 mi |
| 04412 | Brewer | 9,652 | $67k | 6.7 mi (near) |
| 04450 | Kenduskeag | 1,333 | $80k | 9.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.