PlainZIP

Smithfield, NC

Single-footprint Census roll-up for Smithfield, NC: 1 USPS ZIP, population 22,911. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.

U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage

ACS city ledger plate

Sheet SMITHFIELD-NC · Smithfield, NC 1 ZIPs · 22,911 pop · #16496/25278 · Johnston County

INC-MID · RANK-LOWER · BELOW-PEER · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-MID

  • INC-MID $62,758
  • RANK-LOWER #16496/25278
  • BELOW-PEER under Kenly
  • BOOK-ONE 1 ZIP
  • OWN-MID 73% owners
  • POP-TOWN 22,911
  • SPREAD-UNK Single-ZIP book
  • HOME-MID $260,300

Nearest income peer: Kenly, NC (+ $3,280 income $)

Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.

Income neighbourhood around Smithfield

Lowest/highest poles plus county-sharing cities nearest Smithfield on average ZIP median household income. Full ladder: /cities.

median HH income

What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2026-08-25

National city placement

According to ACS 5-Year Estimates, Smithfield, NC sits among US cities with a below-median household income, on a town-scale population base, across a single-ZIP footprint.

35th pct
household income vs 25,278 US cities
22,911
city population (Census)
1
USPS ZIP codes covered
$62,758
avg ZIP median income

Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.

Below-median income with few delivery areas (1): read cost-of-living from the primary ZIP. Household income $62,758 and poverty 18.4% concentrate in 27577.

Owner-occupancy sits in a mixed band (73.2%) - check the ZIP page's tenure split before treating Smithfield as a pure owner town.

Within North Carolina, Warrensville is the closest lower-income city and Graham the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Smithfield.

Population concentration

Smithfield reads through its lone ZIP, 27577

22,911 ACS residents, one ZIP: 27577 is not the leading code inside Smithfield, it is the only one on file. Treat the ZIP page as the primary source for anything below the city-wide total.

Census ZBP business roll-up

Dense ZBP book packed into Smithfield's one ZIP

Citywide ZBP: 829 establishments, 11,205 employees , annual payroll $444,051k (~36 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 27577 (829 units) ; leading NAICS Retail trade (171) · also Construction · Health care and social assistance .

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ZIP Codes in Smithfield, NC

These ZIP codes sit in Johnston County, which covers 10 ZIP codes in all; 1 of them fall in Smithfield. See the Johnston County roll-up →

Smithfield sits in the lower half of Johnston County on income: Clayton, Selma and Benson report more, and only Micro reports less. Clayton marks the far end of that range at $100,679, 60% above Smithfield.

ZIP Code Population Median income Establishments Density
27577 22,911 $62,758 829 85
How we build city roll-ups · Guide: reading ZIP code data · BLS wages

Smithfield roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Smithfield, .