Postal Codes

27577 ZIP Code

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ZIP code 27577 covers Smithfield, North Carolina, with a population of about 26,946 and a median household income of $56,237.

Population
26,946260 per square mile
Median age
40.72 points above the US average
Median household income
$56,23720% below the North Carolina median
Poverty rate
21%8.6 points above the US average
Typical home value
$293,166up 24.6% in five years
Median rent
$80231% below the North Carolina median
Degree or higher
21.5%13.5 points below the US average
Homeownership
67.2%2.2 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
817

Where 27577 is

Smithfield, North Carolina — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population26,946
Median age40.7
Family households66.8%
Born outside the US11.6%
Speaks a language other than English at home19.5%
White (non-Hispanic)56.9%
Black (non-Hispanic)18.6%
Asian (non-Hispanic)1.3%
Hispanic or Latino20.8%
Veterans8.8%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$56,237
Income per person$28,443
Poverty rate21%
Households on SNAP or cash assistance19.1%

Household income distribution

Under $10k9.8%
$10–15k7.7%
$15–20k5.2%
$20–25k3.6%
$25–30k4.3%
$30–35k3.3%
$35–40k3.6%
$40–45k4.5%
$45–50k3.9%
$50–60k7.8%
$60–75k9.2%
$75–100k9.9%
$100–125k8.1%
$125–150k7.1%
$150–200k7.5%
$200k or more4.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed11,230
Mean adjusted gross income$68,331
Returns declaring $200,000 or more3.7%
Returns, under $25k30.6%
Returns, $25k–$50k26.4%
Returns, $50k–$75k15.5%
Returns, $75k–$100k9.7%
Returns, $100k–$200k14.0%
Returns, $200k or more3.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$230,200
Median gross rent$802
Rent as a share of household income31.9%
Owner-occupied67.2%
Vacant homes8%
Median year built1984

What the homes are

Detached house67.4%
Attached house3.5%
2 to 4 units6.5%
5 to 19 units3.7%
20 or more units6.2%
Mobile home12.5%
Boat, RV or van0.2%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$293,166as of 2026-07
Typical home value, 1 yeardown 0.5%
Typical home value, 5 yearsup 24.6%
Typical home value, 10 yearsup 103.3%
Typical asking rent$1,787as of 2026-07
Typical asking rent, 1 yearup 4.2%
Typical home value since 2000
200220142026$300,618$126,822

$126,866 in 2002 to $293,166 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6.5%
Bachelor's degree or higher21.5%
High school diploma or higher81.6%
Works from home5.3%
Drives to work alone84.8%
Takes public transport0%
Commutes 45 minutes or more24.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity37.5% 4.1 pts above the national average of 33.4%
Diagnosed diabetes14.7% 2.7 pts above the national average of 12%
Currently smokes16.9% 3.7 pts above the national average of 13.2%
High blood pressure39.6% 5.5 pts above the national average of 34.1%
Fair or poor general health24.2% 3.9 pts above the national average of 20.3%
No health insurance (18–64)15% 3.7 pts above the national average of 11.3%
Depression24.2% 2.3 pts above the national average of 21.9%
No leisure-time physical activity29% 3.6 pts above the national average of 25.4%
Arthritis28.9% 3.8 pts above the national average of 25.1%
Binge drinking13.8% 2.2 pts below the national average of 16%
Taking blood pressure medication77.6% 2.9 pts above the national average of 74.7%
Cancer (non-skin)7.8% same as the national average of 7.7%
Current asthma11.1% 0.7 pts above the national average of 10.4%
Coronary heart disease7.7% 1.5 pts above the national average of 6.2%
Routine check-up in past year79.6% 2.9 pts above the national average of 76.7%
Cholesterol screening86.3% same as the national average of 85.9%
Cognitive disability17.4% 2.6 pts above the national average of 14.8%
Colorectal screening64.5% same as the national average of 64.3%
COPD9% 2.4 pts above the national average of 6.6%
Visited a dentist57.9% 3.4 pts below the national average of 61.3%
Any disability37.9% 7.2 pts above the national average of 30.7%
Lacks emotional support24% 0.8 pts below the national average of 24.8%
Food insecurity20.9% 3.8 pts above the national average of 17.1%
Received food stamps17.8% 3.5 pts above the national average of 14.3%
Hearing disability8.4% 1.7 pts above the national average of 6.7%
High cholesterol37% 0.8 pts above the national average of 36.2%
Housing insecurity15.7% 1.9 pts above the national average of 13.8%
Independent living disability10.3% 1.9 pts above the national average of 8.4%
Lacks transport10.8% 1.6 pts above the national average of 9.2%
Loneliness33% 1.4 pts below the national average of 34.4%
Mammography use78% 2.1 pts above the national average of 75.9%
Poor mental health (14+ days)17.6% 0.8 pts above the national average of 16.8%
Mobility disability18.1% 4.1 pts above the national average of 14%
Poor physical health (14+ days)15.2% 1.7 pts above the national average of 13.5%
Self-care disability5.4% 1.4 pts above the national average of 4%
Utility shut-off threat10.7% 1.9 pts above the national average of 8.8%
Sleeps under 7 hours35.6% 0.8 pts below the national average of 36.4%
Stroke4.5% 1.1 pts above the national average of 3.4%
All natural teeth lost21.3% 8.3 pts above the national average of 13%
Vision disability7.3% 1.7 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments817
People employed11,532
Annual payroll$482,703,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 57.7% of US census tracts
FEMA ratingVery Low to Relatively Moderate across the 13 census tracts this ZIP code covers
Expected annual loss47.8 out of 100
Community resilience37.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather96.5Very High at its worst in this ZIP code
Drought92.5Relatively Moderate at its worst in this ZIP code
Tornado81.7Relatively High at its worst in this ZIP code
Hurricane81.3Relatively Moderate at its worst in this ZIP code
Hail80.7Relatively Moderate at its worst in this ZIP code
Strong wind75.4Relatively High at its worst in this ZIP code
Lightning71.8Relatively High at its worst in this ZIP code
Ice storm70.3Relatively Moderate at its worst in this ZIP code
Heat wave70.1Relatively Moderate at its worst in this ZIP code
Wildfire69.5Relatively Low at its worst in this ZIP code
Landslide69.1Relatively Low at its worst in this ZIP code
River flooding63.1Relatively High at its worst in this ZIP code
Cold wave54.1Relatively Moderate at its worst in this ZIP code
Earthquake51.4Relatively Low at its worst in this ZIP code
Compared with North Carolina and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPNorth CarolinaUnited States
Median household income$56,237$69,904$78,538
Income per person$28,443$39,616$43,289
Poverty rate21%13.2%12.4%
Median home value$230,200$259,400$303,400
Median gross rent$802$1,162$1,348
Homeownership67.2%66.4%65%
Bachelor's degree or higher21.5%34.7%35%
Unemployment rate6.5%4.8%5.2%
Works from home5.3%14.5%13.5%
Born outside the US11.6%8.7%13.9%
Median age40.739.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationSMITHFIELD, NC US1.2 km away
Rain in a year49 in
Snow in a year1 in

Average high and low by month

January53.6°F / 31.4°F3.45 in rain, 0.1 in snow
February57°F / 33.3°F3.31 in rain
March64.5°F / 39.3°F4.01 in rain
April74.1°F / 47.5°F3.69 in rain
May81°F / 57.4°F4.2 in rain
June88.3°F / 65.9°F4.67 in rain
July91.7°F / 70.8°F5.54 in rain
August89.3°F / 68.6°F5.28 in rain
September83.6°F / 62.9°F5.51 in rain
October74.3°F / 50.1°F3.21 in rain
November64.4°F / 39°F3.25 in rain
December56.7°F / 33.8°F3.25 in rain, 0.7 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarket5% of this ZIP code's area
No vehicle and far from a supermarket33% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Johnston County Schools100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability82more vulnerable than 82% of US census tracts
Socioeconomic status78more vulnerable than 78% of US census tracts
Household characteristics80more vulnerable than 80% of US census tracts
Racial and ethnic minority status62more vulnerable than 62% of US census tracts
Housing type and transport76more vulnerable than 76% of US census tracts
Walkability6.2 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

27576 Selma, NC9.4 km away
27568 Pine Level, NC9.4 km away
27593 Wilsons Mills, NC9.4 km away
27524 Four Oaks, NC13 km away
27555 Micro, NC14.4 km away
27520 Clayton, NC17 km away
27527 Clayton, NC17.1 km away
27569 Princeton, NC17.3 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Johnston County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area103.72 sq mi
Water area0.5 sq mi
Population density260 people per sq mi
Latitude, longitude35.5068, -78.3479

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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