Residential delivery area · North Carolina
ZIP Code 28689: Union Grove, NC
ZIP code 28689 uses the postal name Union Grove, North Carolina and lies mostly in Iredell County (64% of its land), reaching into Wilkes County, Yadkin County and Alexander County (Census 2020 ZIP-county file). About 2,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $70,565 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Union Grove · its only residential ZIP
- County
- Iredell County (64%); Wilkes County (17%); Yadkin County (10%); Alexander County (9%)
- Metro area
- Charlotte-Concord-Gastonia, NC-SC
- House districts
- NC-10 (74%), NC-5 (26%) 119th Congress, by share of land
- State
- North Carolina
- Time zone
- Eastern
- Land area
- 45.3 sq mi · 48 people per sq mi
Where is ZIP code 28689?
28689 centers on 36.043°, -80.933° and covers 45.3 square miles of land plus 0.2 of water. It borders 8 ZIP codes: 28660, 27020, 28636, 28634, 28625, 28654, 28659, 28681.
The map draws ZIP code areas only. For the streets inside 28689, 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 28689 compare with the rest of Iredell County?
| Measure | 28689 | In Iredell County | In NC |
|---|---|---|---|
| People (ACS 2020-2024) | 2,188 | 15th of 15 | 577th of 853 |
| Median household income | $71k | 7th of 13 | 212th of 528 |
| Median home value | $157k | 13th of 13 | 488th of 572 |
Its median household income is higher than in 48% of U.S. residential ZIP codes, and it is denser than 42% 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 28689?
The 2020 Census counted 1,846 people in 28689; the ACS, which samples households over 2020-2024, estimates 2,188. Between the 2010 and 2020 censuses its population grew 7.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 2,188±689 (90% margin)
- 2020 Census count
- 1,846+7.8% since 2010 (1,712)
- Households
- 758
- Median age
- 46.1
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 28689?
Of the 2,188 people the ACS estimates in 28689, 20.3% are under 18 and 11.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (74.8%), then Hispanic or Latino (15.8%).
- Under 1820.3%
- 18 to 6468.2%
- 65 and older11.5%
- White, not Hispanic74.8%
- Hispanic or Latino15.8%
- Other or two or more8.9%
- Black, not Hispanic0.5%
- Asian, not Hispanic0.0%
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 28689 earn?
Median household income is $70,565 (ACS 2020-2024), the 7th highest of the 13 ranked ZIP codes in Iredell County. It is not measurably different from 2015-2019 ($90,065 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $70,565±$10,830
- Income per person
- $28,869
- Below the poverty line
- 3.0%
- Unemployed (of the labor force)
- 7.0%
- Adults 25+ with a bachelor's degree
- 15.5%
- Adjusted gross income per tax return, 2022
- $78,053870 returns; wages 64% 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 28689?
FHFA's house price index for 28689, built from repeat sales and appraisals of the same homes, rose 76% from 2020 to 2025.
- Median home value (owners' estimate)
- $157,100
- Median gross rent
- $900
- Homes owned by their occupants
- 73.0%
- Housing units
- 876
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 28689?
43 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction11
- Other services (except public administration)6
- Professional, scientific, and technical services5
- Manufacturing4
- Wholesale trade4
- Retail trade4
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 28689?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 28660 | Olin | 2,501 | $77k | 6.7 mi |
| 27020 | Hamptonville | 6,207 | $51k | 8.3 mi |
| 28636 | Hiddenite | 4,496 | $65k | 10.2 mi |
| 28634 | Harmony | 5,353 | $60k | 11.0 mi |
| 28625 | Statesville | 39,574 | $64k | 12.2 mi |
| 28654 | Moravian Falls | 3,168 | $57k | 12.7 mi |
| 28659 | North Wilkesboro | 21,422 | $50k | 16.9 mi |
| 28681 | Taylorsville | 25,566 | $61k | 18.2 mi |
| 28670 | Ronda | 2,124 | $50k | 10.5 mi (near) |
| 28669 | Roaring River | 2,935 | $47k | 12.9 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.