Smithfield Population

1850–2026

13,470

2026 projection

19.3% since 2020 (increase)

02K4K6K8K10K12K14K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Smithfield. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202613,470+3562.71%
202513,114+3082.41%
202412,806+3302.65%
202312,476+3442.84%
202212,132+3452.93%
202111,787+4954.38%
202011,292+1110.99%
201911,181+930.84%
201811,088+1141.04%
201710,974+950.87%

Showing 10 of 32 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Smithfield is growing faster than North Carolina and the U.S., and slower than Johnston County.

  • Johnston County+17.9%
  • Smithfield+15.2%
  • North Carolina+7.2%
  • United States+3.1%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Smithfield Demographics

44.9median age

Median age

Female43.9 yrs
Male46.4 yrs

Adults

9,365
2,473 seniors (65+) · 26% of adults6,892 other adults

Sex

Female 51.3% · 6,211Male 48.7% · 5,905

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 121 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Smithfield Income

$43,270median household income

Median household income

$43,270

Half of households earn more, half earn less

Median earnings

$42,846

Typical yearly pay for a worker 25 or older.

Poverty rate

27.4%

About 1 in 4 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Smithfield Marital Status

42% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married42%43%41%
Never married31%33%30%
Divorced14%16%11%
Widowed9%6%12%
Separated4%2%6%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201