City · New York
Lockport, New York
Lockport, city, in Niagara County, New York. Lockport had 20,248 residents on July 1, 2025 by the Census Bureau's estimate, down 3.0% since 2020; the 2020 Census counted 20,876 and the ACS 2020-2024 5-year estimates put it at 20,610 (±44). GEOID 3643082.
Residents, July 2025 estimate
20,248
Census Bureau estimate (no margin published)
2020 Census count: 20,876 · ACS 2020-2024: 20,610 ±44
Median household income
$62,410
±$6,751 (90% margin)
New York: $85,974
Median home value
$139,900
±$10,676 (90% margin)
New York: $423,800
Median gross rent
$945
±$43 (90% margin)
New York: $1,621
Where is Lockport and what county is it in?
Lockport is a city in Niagara County, New York. It covers 8.4 square miles of land, 2,485 residents per square mile in 2020.
Lockport is in the Buffalo-Cheektowaga, NY metropolitan statistical area, which takes in 2 counties (Census Bureau delineation, July 2023).
Source: 2024 Gazetteer and 2020 place-by-county files, U.S. Census Bureau · Census reference files
How many people live in Lockport, and is it growing?
The Census Bureau estimates that 20,248 people lived in Lockport on July 1, 2025, down 3.0% since 2020, a steeper fall than New York's (−1.0%). The 2020 Census counted 20,876 residents. The 2020-2024 American Community Survey, a five-year sample, puts the population at 20,610 (±44).
| Measure | Lockport | Niagara County | Change since 2015-2019 |
|---|---|---|---|
| Total population | 20,610 ±44 | 210,721 | +120 |
| Households | 9,197 ±340 | 91,884 | no clear change |
| Average household size | 2.21 ±0.08 | 2.24 | no clear change |
| Housing units | 10,205 ±337 | 100,446 | no clear change |
Lockport's population since 2000
From 22,279 in 2000 to 20,248 in 2025: down 9.1%. The 2000, 2010 and 2020 figures are census counts, each for Lockport 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 Lockport?
The median resident of Lockport is 36.8 years old; 21.5% are under 18 and 16.3% are 65 or older. The largest group is non-Hispanic white residents at 78.2%, then non-Hispanic Black residents at 10.4%. 3.8% of residents were born outside the United States.
| Measure | Lockport | Niagara County | Change since 2015-2019 |
|---|---|---|---|
| Median age | 36.8 ±2.0 | 43.3 | no clear change |
| Under 18 years | 21.5% ±1.9 pts | 19.9% | – |
| 65 years and over | 16.3% ±1.5 pts | 20.7% | – |
| Male | 47.3% ±2.0 pts | 49.2% | – |
| Hispanic or Latino (any race) | 4.9% ±1.6 pts | 4.0% | no clear change |
| White alone, not Hispanic | 78.2% ±3.3 pts | 82.1% | no clear change |
| Black or African American alone, not Hispanic | 10.4% ±2.8 pts | 6.3% | no clear change |
| Asian alone, not Hispanic | 0.4% ±0.3 pts | 1.2% | – |
| American Indian and Alaska Native alone, not Hispanic | 0.2% ±0.3 pts | 0.5% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0% ±0.2 pts | 0.0% | – |
| Two or more races, not Hispanic | 4.9% ±1.2 pts | 5.4% | – |
| Some other race alone, not Hispanic | 0.9% ±1.0 pts | 0.5% | – |
| Born outside the United States | 3.8% ±1.3 pts | 4.4% | no clear change |
| Speak a language other than English at home (age 5+) | 4.6% ±1.7 pts | 5.9% | – |
| Civilian veterans (age 18+) | 6.6% ±1.5 pts | 7.4% | – |
| With a disability | 14.7% ±2.0 pts | 15.7% | – |
| No health insurance coverage | 4.5% ±1.6 pts | 2.9% | no clear change |
| High school graduate or higher (age 25+) | 90.5% ±1.8 pts | 92.1% | – |
| Bachelor's degree or higher (age 25+) | 24.6% ±2.8 pts | 28.0% | no clear change |
| Graduate or professional degree (age 25+) | 9.8% ±1.8 pts | 11.7% | – |
| Lived in the same house a year earlier | 88.8% ±2.8 pts | 90.8% | – |
| Moved from another state in the past year | 0.3% ±0.3 pts | 0.8% | – |
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 Lockport earn?
Half of Lockport's 9,197 households earn less than $62,410 a year (±$6,751), against $69,633 in Niagara County and $85,974 in New York. In 2015-2019 it was $55,403 in 2024 dollars; the margins of error cannot tell the two periods apart. 15.2% of residents live below the poverty line.
| Measure | Lockport | Niagara County | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $62,410 ±$6,751 | $69,633 | no clear change |
| Mean household income | $77,166 ±$4,874 | $89,159 | – |
| Per capita income | $34,502 ±$2,106 | $38,904 | no clear change |
| People below the poverty line | 15.2% ±3.2 pts | 13.5% | no clear change |
| Children under 18 below the poverty line | 22.8% ±7.4 pts | 19.4% | no clear change |
| Households receiving SNAP | 15.7% ±2.5 pts | 14.7% | – |
| Households with a computer | 92.2% ±2.5 pts | 93.4% | – |
| Households with a broadband subscription | 88.9% ±2.6 pts | 89.8% | – |
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 Lockport?
Owners occupy 58.8% of Lockport's occupied homes and renters 41.2%. The median owner-occupied home is valued at $139,900 by its owner (±$10,676). The median renter pays $945 a month including utilities, and 32.0% of renters pay 35% or more of their income on rent.
| Measure | Lockport | Niagara County | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $139,900 ±$10,676 | $189,800 | +$25,445 |
| Median gross rent | $945 ±$43 | $899 | +$88 |
| Renters paying 35% or more of income on rent | 32.0% ±5.7 pts | 39.5% | no clear change |
| Median monthly owner costs, with a mortgage | $1,444 ±$90 | $1,533 | – |
| Owner-occupied homes | 58.8% ±3.0 pts | 71.2% | +5.0 pts |
| Renter-occupied homes | 41.2% ±3.0 pts | 28.8% | – |
| Housing units | 10,205 ±337 | 100,446 | no clear change |
| Homeowner vacancy rate | 0.9% ±1.4 pts | 0.8% | – |
| Rental vacancy rate | 4.9% ±2.8 pts | 4.3% | – |
| Single-family detached homes | 56.7% ±3.0 pts | 67.6% | – |
| Mobile homes | 0.4% ±0.4 pts | 4.0% | – |
| Built 2020 or later | 0.0% ±0.4 pts | 0.5% | – |
| Built 2010 to 2019 | 0.9% ±0.6 pts | 2.8% | – |
| Built 1939 or earlier | 49.1% ±4.5 pts | 28.0% | – |
| Households with no vehicle | 11.0% ±2.4 pts | 9.9% | – |
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 Lockport building?
Builders took permits for 3 new housing units in Lockport in 2025 (3 in single-family houses), 0.1 per 1,000 residents against 1.9 across New York.
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 Lockport work and get to work?
76.3% of Lockport's workers drive alone and 9.0% work from home. The average trip to work takes 23.6 minutes. The unemployment rate in 2020-2024 averaged 4.8%.
| Measure | Lockport | Niagara County | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 67.2% ±2.3 pts | 60.9% | – |
| Unemployment rate | 4.8% ±1.6 pts | 5.9% | no clear change |
| Drove alone to work | 76.3% ±3.6 pts | 77.1% | – |
| Carpooled | 8.1% ±2.6 pts | 7.4% | – |
| Public transportation | 0.0% ±0.4 pts | 0.8% | – |
| Walked | 4.1% ±1.5 pts | 2.5% | – |
| Worked from home | 9.0% ±2.3 pts | 10.6% | +7.2 pts |
| Mean travel time to work | 23.6 min ±1.3 | 22.5 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 Lockport?
6 census tracts lie mostly in Lockport (2020 census blocks). Their median household incomes run from $45,743 (Tract 237) to $86,250 (Tract 239.01).
| Tract | Residents, 2020-2024 | Median household income |
|---|---|---|
| Tract 239.02Niagara County | 4,674 | $62,218 |
| Tract 236Niagara County | 4,124 | $60,526 |
| Tract 239.01Niagara County | 3,980 | $86,250 |
| Tract 238Niagara County | 3,087 | $57,625 |
| Tract 235Niagara County | 2,677 | $59,028 |
| Tract 237Niagara County | 2,068 | $45,743 |
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 Lockport) · Census block assignment files
How does Lockport compare with other places in New York?
By the Census Bureau's July 2025 estimates, Lockport is the 1,923rd-most populous of the 19,476 U.S. incorporated places that have one and the 43rd-most populous of 594 in New York.
Lockport ranks 1,324th of 1,623 places in New York with 1,000 or more residents and a reliable estimate, by median household income.
| Measure | Rank | Of |
|---|---|---|
| Population, July 2025 estimate | 43rd | 594 |
| Growth 2020-2025 (PEP) | 1,047th | 1,225 |
| Residents per square mile | 348th | 1,657 |
| Median household income | 1,324th | 1,623 |
| Per capita income | 1,253rd | 1,653 |
| Median home value | 1,362nd | 1,637 |
| Median gross rent | 1,004th | 1,515 |
| Poverty rate | 319th | 1,331 |
| Bachelor's degree or higher | 1,135th | 1,640 |
| Median age | 1,436th | 1,654 |
| Owner-occupied share | 1,426th | 1,639 |
| Work from home | 1,013th | 1,350 |
| Travel time to work | 1,029th | 1,652 |
Lockport's figures with every place in New York (CSV)
Every place in New York, sortable · Compare Lockport 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 Lockport?
10 of the 57 figures for Lockport 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 Lockport 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' public schools in Lockport.