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.

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 · ZIP Code Business Patterns (ZBP) As of 2023

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 27577?

41.3

Median Age

49.6%

Male

50.4%

Female

11.3%

Foreign-Born

White 62.9%
African American 18.1%
Asian 1.2%
American Indian or Alaska Native 0.7%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 7.8%
Hispanic or Latino 19.1%

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

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 54.1%
Bachelor's Degree or Higher 20.2%

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

Owner 73.2%
Renter 26.8%

$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)

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.

residents

What this shows Among its immediate neighbors, ZIP 27577 ranks #2 by population — useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 27577 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
27568 Pine Level, NC 480 5.7 mi
27524 Four Oaks, NC 12,338 7.0 mi
27576 Selma, NC 17,091 7.9 mi
27555 Micro, NC 441 9.2 mi
27520 Clayton, NC 36,357 11.1 mi

More ZIP Codes in Johnston County

Frequently Asked Questions

What county is ZIP code 27577 in?
ZIP code 27577 (Smithfield) is located in Johnston County, North Carolina. Johnston County contains multiple ZIP codes, see the full list at /counties/johnston-nc.
What is the population of ZIP code 27577?
ZIP code 27577 in Smithfield, NC has a population of 22,911 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 27577?
The median household income in ZIP 27577 is $62,758, which is 18% below the national average of $76,288.
What is the average home value in ZIP 27577?
The median home value in ZIP 27577 is $260,300, which is 6% below the national average of $278,155.
What is the demographic makeup of ZIP 27577?
The largest racial group in ZIP 27577 is White at 62.9%. Hispanic or Latino residents make up 19.1% of the population.
How many businesses are in ZIP code 27577?
ZIP code 27577 has 829 business establishments employing approximately 11,205 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 27577?
The top industries by establishment count in ZIP 27577 are: Retail trade (171), Construction (105), Health care and social assistance (97). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 27577?
According to the FHFA House Price Index, home values in ZIP 27577 increased by 4.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 126%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 27577?
In ZIP code 27577, 54.1% of residents aged 25+ have a high school diploma or higher, and 20.2% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 27577?
The mean commute time for workers in ZIP code 27577 is 27.0 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 27577?
In ZIP code 27577, approximately 73.2% of occupied housing units are owner-occupied and 26.8% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 27577?
The poverty rate in ZIP code 27577 is 18.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP Code Research Guides

Official Data Resources for Smithfield, NC

Verify and explore additional data for this area using these official government sources.