Residential delivery area · North Carolina
ZIP Code 27310: Oak Ridge, NC
ZIP code 27310 is in Oak Ridge, North Carolina, entirely in Guilford County (Census 2020 ZIP-county file). About 8,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $165,898 (Census Bureau, ACS 2020-2024). By Census place, 85% of its land lies in Oak Ridge, and 6% in smaller places; 9% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Oak Ridge · its only residential ZIP
- County
- Guilford County
- Census places
- Oak Ridge
- Metro area
- Greensboro-High Point, NC
- House district
- NC-5 119th Congress
- State
- North Carolina
- Time zone
- Eastern
- Land area
- 17.9 sq mi · 481 people per sq mi
Where is ZIP code 27310?
27310 centers on 36.174°, -79.992° and covers 17.9 square miles of land plus 0.2 of water. It borders 5 ZIP codes: 27235, 27284, 27357, 27409, 27358.
The map draws ZIP code areas only. For the streets inside 27310, 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 27310 compare with the rest of Guilford County?
| Measure | 27310 | In Guilford County | In NC |
|---|---|---|---|
| People (ACS 2020-2024) | 8,622 | 26th of 34 | 334th of 853 |
| Median household income | $166k | 1st of 29 | 2nd of 528 |
| Median home value | $499k | 1st of 29 | 46th of 572 |
Its median household income is higher than in 98% 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 27310?
The 2020 Census counted 8,331 people in 27310; the ACS, which samples households over 2020-2024, estimates 8,622. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 8,622
- 2020 Census count
- 8,331
- Households
- 2,959
- Median age
- 44.0
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 27310?
Of the 8,622 people the ACS estimates in 27310, 27.6% are under 18 and 12.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (79.7%).
- Under 1827.6%
- 18 to 6459.8%
- 65 and older12.6%
- White, not Hispanic79.7%
- Asian, not Hispanic9.7%
- Hispanic or Latino4.8%
- Other or two or more3.7%
- Black, not Hispanic2.2%
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 27310 earn?
Median household income is $165,898 (ACS 2020-2024), the highest of the 29 ranked ZIP codes in Guilford County.
- Median household income
- $165,898±$20,631
- Income per person
- $70,831
- Below the poverty line
- 3.5%
- Unemployed (of the labor force)
- 2.6%
- Adults 25+ with a bachelor's degree
- 59.3%
- Adjusted gross income per tax return, 2022
- $166,5224,100 returns; wages 67% 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 27310?
FHFA's house price index for 27310, built from repeat sales and appraisals of the same homes, rose 82% from 2015 to 2025 and rose 53% from 2020 to 2025, and moved +6.4% in 2025.
- Median home value (owners' estimate)
- $498,900
- Median gross rent
- $3,009
- Homes owned by their occupants
- 93.1%
- Housing units
- 3,063
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 27310?
202 business establishments had a location in this ZIP code in 2023, 20 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services37
- Construction29
- Accommodation and food services23
- Health care and social assistance20
- Retail trade17
- Other services (except public administration)16
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 27310?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 27235 | Colfax | 5,237 | $101k | 5.2 mi |
| 27284 | Kernersville | 58,065 | $83k | 6.4 mi |
| 27357 | Stokesdale | 9,922 | $75k | 6.5 mi |
| 27409 | Greensboro | 17,551 | $60k | 7.2 mi |
| 27358 | Summerfield | 15,685 | $139k | 7.3 mi |
| 27009 | Belews Creek | 2,939 | $77k | 6.2 mi (near) |
| 27410 | Greensboro | 54,921 | $85k | 6.6 mi (near) |
| 27051 | Walkertown | 7,873 | $75k | 9.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.