Town · Maine
Smithfield, Maine
Smithfield, town, in Somerset County, Maine. Smithfield had 953 residents on July 1, 2025 by the Census Bureau's estimate, up 2.7% since 2020; the 2020 Census counted 925 and the ACS 2020-2024 5-year estimates put it at 856 (±144). GEOID 2302569155.
Residents, July 2025 estimate
953
Census Bureau estimate (no margin published)
2020 Census count: 925 · ACS 2020-2024: 856 ±144
Median household income
$107,917
±$26,605 (90% margin)
Maine: $74,733
Median home value
$242,800
±$15,291 (90% margin)
Maine: $296,600
Median gross rent
$1,109
±$358 (90% margin)
Maine: $1,139
Where is Smithfield and what county is it in?
Smithfield is a town in Somerset County, Maine. It covers 19.9 square miles of land, 46 residents per square mile in 2020.
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Smithfield, and is it growing?
The Census Bureau estimates that 953 people lived in Smithfield on July 1, 2025, up 2.7% since 2020, slower than Maine (+3.8%). The 2020 Census counted 925 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 856 (±144).
| Measure | Smithfield | Somerset County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 856±144 | 50,959 | no clear change |
| Households | 413±79 | 23,209 | no clear change |
| Average household size | 2.07±0.20 | 2.16 | no clear change |
| Housing units | 683±103 | 30,137 | no clear change |
Smithfield's population since 2000
From 930 in 2000 to 953 in 2025: up 2.5%. The 2000, 2010 and 2020 figures are census counts, each for Smithfield as it was drawn that year: a place that annexed land, or a community that has since incorporated, covered a different area then. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census PEP Vintage 2025 (SUB-EST2025, CO-EST2025); 2020 Census P.L. 94-171 · Check it at data.census.gov
Who lives in Smithfield?
The median resident of Smithfield is 55.8 years old; 10.0% are under 18 and 29.7% are 65 or older. The largest group is non-Hispanic white residents at 98.2%, then non-Hispanic residents of two or more races at 0.8%.
| Measure | Smithfield | Somerset County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 55.8±3.5 | 47.0 | no clear change |
| Under 18 years | 10.0%±3.8 pts | 18.4% | – |
| 65 years and over | 29.7%±5.4 pts | 23.0% | – |
| Male | 51.1%±4.1 pts | 49.8% | – |
| Hispanic or Latino (any race) | 0.7%±0.9 pts | 1.5% | – |
| White alone, not Hispanic | 98.2%±1.4 pts | 93.8% | no clear change |
| Black or African American alone, not Hispanic | 0.0%±3.2 pts | 0.5% | – |
| Asian alone, not Hispanic | 0.2%±0.4 pts | 0.4% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.0%±3.2 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±3.2 pts | 0.0% | – |
| Two or more races, not Hispanic | 0.8%±0.8 pts | 3.4% | – |
| Some other race alone, not Hispanic | 0.0%±3.2 pts | 0.2% | – |
| Born outside the United States | 1.2%±1.0 pts | 1.5% | – |
| Speak a language other than English at home (age 5+) | 0.5%±0.7 pts | 2.2% | – |
| Civilian veterans (age 18+) | 13.1%±6.8 pts | 10.7% | – |
| With a disability | 11.6%±3.8 pts | 19.4% | – |
| No health insurance coverage | 0.7%±0.7 pts | 7.5% | – |
| High school graduate or higher (age 25+) | 94.5%±2.2 pts | 93.2% | – |
| Bachelor's degree or higher (age 25+) | 34.7%±7.4 pts | 21.1% | no clear change |
| Graduate or professional degree (age 25+) | 9.6%±4.1 pts | 5.8% | – |
| Lived in the same house a year earlier | 91.6%±5.9 pts | 88.9% | – |
| Moved from another state in the past year | 5.8%±5.6 pts | 2.1% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Smithfield earn?
Half of Smithfield's 413 households earn less than $107,917 a year (±$26,605), against $58,179 in Somerset County and $74,733 in Maine. In 2015-2019 it was $87,286 in 2024 dollars; the margins of error cannot tell the two periods apart. 5.8% of residents live below the poverty line.
| Measure | Smithfield | Somerset County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $107,917±$26,605 | $58,179 | no clear change |
| Mean household income | $116,497±$11,319 | $76,305 | – |
| Per capita income | $55,791±$6,649 | $34,433 | no clear change |
| People below the poverty line | 5.8%±2.7 pts | 14.2% | – |
| Children under 18 below the poverty line | 0.0%±26.8 pts | 14.8% | – |
| Households receiving SNAP | 5.3%±5.1 pts | 17.7% | – |
| Households with a computer | 97.1%±2.0 pts | 93.0% | – |
| Households with a broadband subscription | 95.9%±2.6 pts | 86.3% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Smithfield?
Owners occupy 88.9% of Smithfield's occupied homes and renters 11.1%. The median owner-occupied home is valued at $242,800 by its owner (±$15,291). The median renter pays $1,109 a month including utilities.
| Measure | Smithfield | Somerset County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $242,800±$15,291 | $166,900 | +$59,304 |
| Median gross rent | $1,109±$358 | $910 | no clear change |
| Renters paying 35% or more of income on rent | 42.9%±35.3 pts | 34.8% | – |
| Median monthly owner costs, with a mortgage | $1,644±$452 | $1,299 | – |
| Owner-occupied homes | 88.9%±6.1 pts | 77.4% | no clear change |
| Renter-occupied homes | 11.1%±6.1 pts | 22.6% | – |
| Housing units | 683±103 | 30,137 | no clear change |
| Homeowner vacancy rate | 0.0%±7.2 pts | 0.3% | – |
| Rental vacancy rate | 0.0%±40.2 pts | 2.3% | – |
| Single-family detached homes | 90.9%±4.3 pts | 75.8% | – |
| Mobile homes | 7.8%±4.1 pts | 14.7% | – |
| Built 2020 or later | 2.9%±2.5 pts | 0.8% | – |
| Built 2010 to 2019 | 10.2%±5.8 pts | 6.1% | – |
| Built 1939 or earlier | 9.1%±4.6 pts | 21.4% | – |
| Households with no vehicle | 2.9%±2.0 pts | 5.8% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Smithfield building?
Builders took permits for 0 new housing units in Smithfield in 2025 (0 in single-family houses), 0.0 per 1,000 residents against 4.9 across Maine.
Counts of units in permits a local office issued; not every permitted unit is built. A year marked with months was reported for part of the year.
Source: Building Permits Survey, annual place files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Smithfield work and get to work?
64.8% of Smithfield's workers drive alone and 22.0% work from home. The average trip to work takes 32.5 minutes. The unemployment rate in 2020-2024 averaged 5.3%.
| Measure | Smithfield | Somerset County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 59.0%±7.1 pts | 55.7% | – |
| Unemployment rate | 5.3%±2.7 pts | 3.5% | no clear change |
| Drove alone to work | 64.8%±8.7 pts | 76.5% | – |
| Carpooled | 12.5%±5.5 pts | 8.4% | – |
| Public transportation | 0.0%±6.5 pts | 0.1% | – |
| Walked | 0.0%±6.5 pts | 3.0% | – |
| Worked from home | 22.0%±7.0 pts | 11.0% | +14.8 pts |
| Mean travel time to work | 32.5 min±4.8 | 28.0 min | no clear change |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What census tracts are in Smithfield?
No census tract lies mostly in Smithfield; 1 tract reaches into it (2020 census blocks).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 9670Somerset County | 2,130 | $74,519 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 block assignment files (tract share = share of the tract's census blocks in Smithfield) · Census block assignment files
How does Smithfield compare with other places in Maine?
By the Census Bureau's July 2025 estimates, Smithfield is the 7,842nd-most populous of the 16,079 U.S. towns and townships that have one and the 262nd-most populous of 454 in Maine.
Smithfield is not ranked by income or the other survey measures: those rankings include places of 1,000 or more residents (2020 Census) with a reliable estimate.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 262nd | 454 |
Smithfield's figures with every place in Maine (CSV)
Every place in Maine, sortable · Compare Smithfield with other places
Source: PlainCities ranks computed from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How reliable are the figures for Smithfield?
20 of the 57 figures for Smithfield on this page carry a coefficient of variation over 40% and are marked with a ring: they come from a small sample, so read them as rough.
The American Community Survey samples about one household in eight over five years, so every figure is an estimate with a 90% margin of error (shown under each value). A ring marks an estimate whose coefficient of variation is over 40%. A change is called only when the gap between the two periods is larger than their combined 90% margin (the square root of the sum of the two squared margins), the Census Bureau's test. How to read a margin of error.
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026): margins of error as published · ACS technical documentation
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Smithfield are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.