Smithfield, NC · standard
ZIP Code 27577
Johnston County, North Carolina — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 22,911
- 85/sq mi
- $62,758
- Median income
- $260,300
- Median home value
- 20.2%
- Bachelor's or higher
The verdict
Smithfield pairs a below-median household income with above-median home values, in a rural, homeowner-dominated area.
- 34th pct
- household income, US ZIPs
- Top 40%
- home value, US ZIPs
- 85
- people per sq mi
- 73%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 27577 against every reporting US ZIP.
ZIP code 27577 is classified by USPS as a standard delivery area and covers roughly 269.9 square miles in Smithfield, Johnston County, North Carolina. The area is home to 22,911 residents, producing a population density of 85 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 27577 against North Carolina and the nation.
On the economic side, the median household income for ZIP 27577 sits at $62,758 (9% below the North Carolina average), while per-capita income is $30,924. The poverty rate stands at 18.4% and the unemployment rate at 5.4%. On housing, the median home value is $260,300 (0% above the state average) with median rent at $837 per month, and 73.2% of occupied units are owner-occupied, a direct signal of whether 27577 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 20.2% of adults hold a bachelor's degree or higher, the median age is 41.3, and the average commute is 27 minutes. We also surface 5 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Johnston County, so you can benchmark 27577 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 27577
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 27577.
- Retail trade
Retail trade
171 establishments
- Construction
Construction
105 establishments
- Health care and social assistance
Health care and social assistance
97 establishments
- Accommodation and food services
Accommodation and food services
88 establishments
- Other services (except public administration)
Other services (except public administration)
69 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 27577, Smithfield, NC · 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
22,911
Population
269.9
Area (sq mi)
85
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 27577?
41.3
Median Age
49.6%
Male
50.4%
Female
11.3%
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?
$62,758
Median Household Income
-9% vs state
$30,924
Per Capita Income
18.4%
Poverty Rate
5.4%
Unemployment Rate
27.0 min
Mean Commute Time
How ZIP 27577 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$62,758 34th percentile higher than 34% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US 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?
11,159
Total Housing Units
10,297
Occupied Units
862
Vacant Units
2.63
Avg Household Size
Occupancy Type
$260,300
Median Home Value
+0% vs state
$837
Median Rent
1985
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
+4.2%
YoY Change (2024)
226
HPI Index (2000 = 100)
+126%
Total Change Since 2000
Home values in ZIP 27577 have increased 4.2% over the past year (2024). Since 2000, this ZIP has seen +126% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +5.9% | 141 |
| 2021 | +11.6% | 157 |
| 2022 | +27.1% | 199 |
| 2023 | +9.0% | 217 |
| 2024 | +4.2% | 226 |
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 829 business establishments in ZIP 27577, employing approximately 11,205 people with a combined annual payroll of $444,051,000.
829
Businesses
11,205
Employees
$444.1M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Retail trade | 171 | 20.6% |
| Construction | 105 | 12.7% |
| Health care and social assistance | 97 | 11.7% |
| Accommodation and food services | 88 | 10.6% |
| Other services (except public administration) | 69 | 8.3% |
| Finance and insurance | 58 | 7.0% |
| Professional, scientific, and technical services | 56 | 6.8% |
| Administrative and support and waste management and remediation services | 42 | 5.1% |
| Real estate and rental and leasing | 33 | 4.0% |
| Wholesale trade | 26 | 3.1% |
| Manufacturing | 25 | 3.0% |
| Transportation and warehousing | 19 | 2.3% |
| Information | 13 | 1.6% |
| Educational services | 10 | 1.2% |
| Arts, entertainment, and recreation | 9 | 1.1% |
| Agriculture, forestry, fishing and hunting | 4 | 0.5% |
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 27577 vs 27568 →
ZIP 27577 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 27520
Clayton (27520)
36,357 residents
- 27577
Smithfield (27577)
22,911 residents
- 27576
Selma (27576)
17,091 residents
- 27524 12,338
Four Oaks (27524)
12,338 residents
- 27568 480
Pine Level (27568)
480 residents
- 27555 441
Micro (27555)
441 residents
What this shows Among its immediate neighbors, ZIP 27577 ranks #2 by population — useful context the national average alone can't give.
ZIP 27577 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 27520
Clayton (27520)
$86,322 median income
- 27524
Four Oaks (27524)
$75,827 median income
- 27576
Selma (27576)
$66,831 median income
- 27568
Pine Level (27568)
$66,071 median income
- 27577
Smithfield (27577)
$62,758 median income
- 27555
Micro (27555)
$44,531 median income
What this shows By household income, ZIP 27577 ranks #5 of 6 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Johnston County
Related Areas
Frequently Asked Questions
What county is ZIP code 27577 in? ▼
What is the population of ZIP code 27577? ▼
What is the median household income in ZIP 27577? ▼
What is the average home value in ZIP 27577? ▼
What is the demographic makeup of ZIP 27577? ▼
How many businesses are in ZIP code 27577? ▼
What are the main industries in ZIP code 27577? ▼
How have home values changed in ZIP code 27577? ▼
What is the education level in ZIP code 27577? ▼
What is the average commute time in ZIP 27577? ▼
What percentage of residents own vs. rent in ZIP 27577? ▼
What is the poverty rate in ZIP code 27577? ▼
ZIP Code Research Guides
Official Data Resources for Smithfield, NC
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.