Smithfield ZIP Code List — Johnston County, NC

There is one unique ZIP code in Smithfield, North Carolina and it is 27577. Area code: 919/984.

ZIP codes

103.72

sq mi land

0.50

sq mi water

919/984

area code

Smithfield, NC ZIP code map

About Smithfield, NC

Smithfield, North Carolina, is a charming town that serves as the county seat of Johnston County. It is known for its rich history and friendly community atmosphere, making it a delightful place to live and visit. The town embraces a mix of rural charm and suburban conveniences, appealing to a variety of residents and tourists alike.

Location & geography

Smithfield is strategically located in the heart of Johnston County, approximately 30 miles southeast of Raleigh and 10 miles northwest of Goldsboro. The terrain includes a mix of flat and gently rolling landscapes, with the city covering a total land area of 103.72 square miles and a water area of 0.50 square miles. This makes for a scenic environment, with local parks and natural attractions enhancing the area's beauty.

Community & economy

The community in Smithfield is characterized by its welcoming nature and a strong sense of camaraderie among residents. The local economy boasts a blend of agriculture, retail, and manufacturing industries, providing diverse employment opportunities. Daily life here is enriched by local festivals, cultural events, and a commitment to preserving the small-town charm that defines Smithfield.

Transportation

Smithfield is accessible via major highways, including Interstate 95, which connects the town to larger cities and regions. The nearest named airport is the Raleigh-Durham International Airport, located about 45 miles to the west, offering convenient travel options for residents and visitors. Local transit services may include regional bus routes to nearby communities.

History

Smithfield was founded in the early 18th century and quickly became a vital center for commerce within Johnston County. Key industries have historically included agriculture and pork processing, making the town notable in the state's economy. The town has also been a site of various significant events, particularly during the Civil War, highlighting its rich historical legacy.

Did you know?

A surprising fact about Smithfield is that it is home to the Ava Gardner Museum, dedicated to the life and career of the famous actress who was born in the nearby town of Grabtown. Additionally, the town hosts the annual Carolina Premium Outlets, which attracts shoppers from all over the region.

ZIP codes for Smithfield, NC (1)

ZIP code	City	County	Map
27577	Smithfield	Johnston	View map

Demographics & statistics

26,778

Population

40.3

Median age

$57,281

Median household income

$28,126

Per capita income

$218,600

Median home value

$791

Median monthly rent

67.3%

Home ownership

19.7%

Poverty rate

7.4%

Unemployment

7,378

Housing units

22.0%

Bachelor's or higher

Age distribution

Male Female

734

Under 5

680

840

5–9

778

1,184

10–14

1,097

859

15–19

796

811

20–24

752

1,510

25–34

1,399

1,997

35–44

1,851

2,044

45–54

1,894

849

55–59

786

976

60–64

905

1,327

65–74

1,230

589

75–84

545

179

85+

166

← Male

Female →

Age summary

Group	Count	%
Under 18	6,384	23.8%
18 and over	20,394	76.2%
65 and over	4,036	15.1%
Median age	40.3 years

Race & ethnicity

White 57.2%

Black or African American 18.4%

Hispanic or Latino 10%

Other race 7.4%

Two or more races 5.6%

Asian 1%

American Indian / Alaska Native 0.4%

Group	Count	%
White	17,028	57.2%
Black or African American	5,466	18.4%
Hispanic or Latino	2,984	10%
Other race	2,210	7.4%
Two or more races	1,674	5.6%
Asian	292	1%
American Indian / Alaska Native	108	0.4%

Household income

Under $10k 8.7%

$10k–$15k 8.0%

$15k–$25k 8.5%

$25k–$35k 8.1%

$35k–$50k 9.8%

$50k–$75k 18.8%

$75k–$100k 10.3%

$100k–$150k 16.2%

$150k–$200k 7.4%

$200k+ 4.0%

Range	% of households
Under $10k	8.7%
$10k–$15k	8.0%
$15k–$25k	8.5%
$25k–$35k	8.1%
$35k–$50k	9.8%
$50k–$75k	18.8%
$75k–$100k	10.3%
$100k–$150k	16.2%
$150k–$200k	7.4%
$200k+	4.0%
Median income	$57,281

Housing

Home values

Under $50k 3.4%

$50k–$100k 8.5%

$100k–$150k 12.8%

$150k–$200k 17.4%

$200k–$300k 39.9%

$300k–$500k 16.0%

$500k–$1M 2.0%

Housing overview

Metric	Value
Median home value	$218,600
Median rent / month	$791
Owner occupied	67.3%
Renter occupied	32.7%
Vacant	9.1%
Single-family detached	68.8%
Large apartment buildings	5.9%
Mobile homes	12.4%
Median rooms	5.5
Avg household size (owned)	2.75

Year built

Era	%
2020 or later	0.7%
2010–2019	12.4%
2000–2009	15.8%
1990–1999	13.7%
1980–1989	11.3%
1970–1979	15.8%
1960–1969	9.9%
1950–1959	9.7%
1940–1949	4.7%
1939 or earlier	6.0%

Bedrooms

Size	% of units
No bedroom (studio)	1.8%
1 bedroom	10.1%
2 bedrooms	18.6%
3 bedrooms	52.0%
4 bedrooms	16.1%
5+ bedrooms	1.3%

Vehicles per household

Vehicles	% of households
No vehicle	8.2%
1 vehicle	30.7%
2 vehicles	32.9%
3 or more	28.2%

Heating fuel

Fuel type	%
Utility gas	13.2%
Electricity	75.3%
Propane / LP gas	9.6%
Fuel oil	1.2%
Wood	0.2%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	4,785	50.1%
Cohabiting couple	665	7.0%
Male householder, no spouse	1,637	17.1%
Female householder, no spouse	2,459	25.8%
Households with children under 18	3,188	33.4%
Households with seniors (65+)	2,752	28.8%
Average household size	2.67

Marital status

Status	Male	Female
Never married	37.9%	26.7%
Married	46.1%	48.5%
Separated	2.3%	4.1%
Widowed	2.6%	9.8%
Divorced	11.1%	10.8%

Education

Less than 9th grade 8.9%

Some HS, no diploma 8.9%

HS graduate 29.1%

Some college, no degree 20.8%

Associate's degree 10.3%

Bachelor's degree 15.6%

Graduate / professional 6.4%

Metric	%
HS diploma or higher	82.1%
Bachelor's or higher	22.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	229	3.5%
Kindergarten	375	5.7%
Elementary school	3,126	47.8%
High school	1,644	25.1%
College / grad school	1,163	17.8%

Employment

Industry of employment

Education & healthcare 19.7%

Professional & management 13.5%

Construction 12.6%

Retail trade 11.5%

Manufacturing 11.4%

Arts, food & hospitality 10.2%

Other services 6.0%

Wholesale trade 3.3%

Finance & real estate 3.1%

Public administration 2.7%

Transportation & utilities 2.6%

Information 1.7%

Agriculture & mining 1.6%

Occupation

Category	%
Management, business & arts	33.8%
Service	17.0%
Sales & office	19.3%
Natural resources & construction	16.5%
Production & transportation	13.4%

Employment type

Type	%
Private sector	80.9%
Government	14.2%
Self-employed	4.9%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.7%
Carpool	11.0%
Public transit	0.2%
Walk	1.8%
Other means	0.3%
Avg commute (minutes)	28.8

Poverty

All people 19.7%

Under 18 years 23.3%

18 and over 18.6%

Married-couple families 8.6%

Female-led households 26.7%

Income support

Source	% of households
Social Security	34.2%
Retirement income	27.5%
Supplemental Security	7.1%
Cash public assistance	1.2%
Food stamps / SNAP	18.8%

Health indicators

Condition	%
High blood pressure	37.2%
High cholesterol	34.3%
Heart disease	7.2%
Stroke	3.8%
Asthma	9.4%
Arthritis	25.6%
Kidney disease	3.4%
Pulmonary disease	7.7%
Cancer	6.4%

Behavior / access	%
Binge drinking	14.8%
No physical activity	26.5%
Less than 7 hrs sleep	34.4%
Fair or poor health	16.8%
Poor mental health	14.5%
Poor physical health	11.7%
No health insurance	21.8%
Visited doctor (checkup)	78.4%
Visited dentist	61.2%
Cholesterol screening	88.9%
Teeth loss	18.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,860	9.1%

Disability	%
Any disability	16.7%
Under 18	5.4%
18–64 years	15.1%
65 and over	43.2%

Health insurance coverage

Type	%
Private insurance	59.3%
Public insurance	38.8%
Uninsured under 19	6.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	25,364	94.7%
Spanish	2,068	8.2%
Other Indo-European	1,981	7.8%
Asian & Pacific Islander	0	0.0%
Other languages	70	0.3%

Place of birth & citizenship

Origin	Count	%
Native born (US)	23,995	89.6%
Born in same state	23,640	88.3%
Born in different state	17,555	65.6%
Foreign born	355	1.3%
Naturalized citizen	2,783	10.4%
Not a US citizen	498	17.9%

Ancestry

Ancestry	Count	%
French	3,526	13.2%
Arab	3,056	11.4%
Italian	1,970	7.4%
Dutch	136	0.5%

Ancestry	Count	%
German	45	0.2%
English	43	0.2%
Irish	41	0.2%
Polish	34	0.1%

Technology access

Metric	% of households
Computer access	35.6%
Internet access	93.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Smithfield, NC?

Smithfield, NC has one ZIP code: 27577.

What is the main ZIP code for Smithfield, NC?

The primary ZIP code for Smithfield, NC is 27577. The city uses area code 919 or 984 for phone service.

What county is Smithfield, NC in?

Smithfield is located in Johnston County, North Carolina.

How many ZIP codes are in Smithfield, NC?

Smithfield, NC has 1 ZIP code.

What ZIP code covers downtown Smithfield and the historic courthouse area?

Downtown Smithfield, including the Johnston County Courthouse and the historic town center, is located in ZIP code 27577.

What is the ZIP code for Smithfield's main business district along Market Street?

The main business district along Market Street in Smithfield is serviced by ZIP code 27577.