County · Oklahoma
McClain County, Oklahoma
McClain County, Oklahoma. McClain County had 49,647 residents in 2025 by the Census Bureau's estimate, up 19.1% since 2020, faster than Oklahoma (+4.1%). It holds 11 places (11 cities, villages and boroughs) and 9 census tracts. GEOID 40087.
McClain County is one of the 7 counties of the Oklahoma City, OK metropolitan statistical area (the Census Bureau's July 2023 delineation).
Residents, July 2025 estimate
49,647
Census Bureau estimate (no margin published)
2020 Census count: 41,662 · ACS 2020-2024: 45,273
Median household income
$84,552
±$4,718 (90% margin)
Oklahoma: $65,039
Median home value
$255,900
±$13,168 (90% margin)
Oklahoma: $199,800
Median gross rent
$954
±$49 (90% margin)
Oklahoma: $1,014
How many people live in McClain County, and is it growing?
The 2020 Census counted 41,662 residents in McClain County. The Census Bureau estimates 49,647 for July 1, 2025, up 19.1% since 2020, faster than Oklahoma (+4.1%). The 2020-2024 American Community Survey puts the population at 45,273 over 571 square miles of land.
| Measure | McClain County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Total population | 45,273 | 4,028,634 | +6,026 |
| Households | 16,421±184 | 1,562,389 | +1,993 |
| Average household size | 2.74±0.03 | 2.50 | no clear change |
| Housing units | 17,630±62 | 1,775,127 | +2,037 |
McClain County's population since 2000
From 27,740 in 2000 to 49,647 in 2025: up 79.0%. The 2000, 2010 and 2020 figures are census counts. 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); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in McClain County?
McClain County holds 11 places: 11 cities, villages and boroughs (incorporated places). The largest is Newcastle with 15,198 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Newcastle | 10,984 | $93,398 |
|---|---|---|
| Blanchard | 8,879 | $91,473 |
| Purcell | 6,651 | $63,457 |
| Goldsby | 2,694 | $103,333 |
| Dibble | 867 | $71,471 |
| Washington | 673 | $90,321 |
| Wayne | 625 | $66,071 |
| Cole | 624 | $90,000 |
| ByarsGEOID 4010550 | 184 | $41,500 |
| RosedaleGEOID 4064000 | 62 | $48,125 |
| Maysville | 1,087 | $60,931 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in McClain County?
The median resident of McClain County is 38.6 years old; 25.1% are under 18 and 15.6% are 65 or older. The largest group is non-Hispanic white residents at 75.4%, then Hispanic or Latino residents (of any race) at 9.7%. 3.5% of residents were born outside the United States.
| Measure | McClain County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median age | 38.6±0.5 | 37.0 | no clear change |
| Under 18 years | 25.1% | 24.0% | – |
| 65 years and over | 15.6%±0.2 pts | 16.3% | – |
| Hispanic or Latino (any race) | 9.7% | 12.7% | +1.7 pts |
| White alone, not Hispanic | 75.4%±0.6 pts | 62.1% | −3.8 pts |
| Black or African American alone, not Hispanic | 1.2%±0.2 pts | 6.8% | no clear change |
| Asian alone, not Hispanic | 0.6%±0.2 pts | 2.4% | – |
| American Indian and Alaska Native alone, not Hispanic | 5.5%±0.7 pts | 6.6% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.2% | – |
| Two or more races, not Hispanic | 7.2%±0.9 pts | 8.9% | – |
| Some other race alone, not Hispanic | 0.3%±0.2 pts | 0.3% | – |
| Born outside the United States | 3.5%±0.5 pts | 6.4% | no clear change |
| Speak a language other than English at home (age 5+) | 7.0%±0.9 pts | 11.5% | – |
| Civilian veterans (age 18+) | 8.1%±0.9 pts | 7.9% | – |
| With a disability | 14.9%±1.1 pts | 17.2% | – |
| No health insurance coverage | 9.5%±1.1 pts | 12.9% | −2.2 pts |
| High school graduate or higher (age 25+) | 89.5%±1.2 pts | 89.4% | – |
| Bachelor's degree or higher (age 25+) | 28.7%±2.2 pts | 28.3% | +3.7 pts |
| Graduate or professional degree (age 25+) | 8.3%±1.3 pts | 9.9% | – |
| Moved from another state in the past year | 1.1%±0.4 pts | 2.7% | – |
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 McClain County earn?
Half of McClain County's 16,421 households earn less than $84,552 a year (±$4,718), against $65,039 in Oklahoma. In 2015-2019 it was $83,271 in 2024 dollars; the margins of error cannot tell the two periods apart. 8.5% of residents live below the poverty line.
| Measure | McClain County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $84,552±$4,718 | $65,039 | no clear change |
| Mean household income | $106,677±$5,610 | $88,936 | – |
| Per capita income | $40,394±$2,292 | $35,624 | no clear change |
| People below the poverty line | 8.5%±1.2 pts | 15.3% | no clear change |
| Children under 18 below the poverty line | 10.3%±2.4 pts | 20.1% | no clear change |
| Households receiving SNAP | 7.8%±1.4 pts | 14.1% | – |
| Households with a broadband subscription | 92.2%±1.4 pts | 88.9% | – |
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 McClain County?
Owners occupy 79.3% of McClain County's occupied homes and renters 20.7%. The median owner-occupied home is valued at $255,900 by its owner (±$13,168). The median renter pays $954 a month including utilities, and 39.3% of renters pay 35% or more of their income on rent.
| Measure | McClain County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $255,900±$13,168 | $199,800 | +$37,452 |
| Median gross rent | $954±$49 | $1,014 | no clear change |
| Renters paying 35% or more of income on rent | 39.3%±6.6 pts | 37.5% | no clear change |
| Median monthly owner costs, with a mortgage | $1,802±$69 | $1,539 | – |
| Owner-occupied homes | 79.3%±1.9 pts | 65.8% | no clear change |
| Housing units | 17,630±62 | 1,775,127 | +2,037 |
| Homeowner vacancy rate | 0.7%±0.4 pts | 1.2% | – |
| Rental vacancy rate | 3.3%±1.7 pts | 6.5% | – |
| Single-family detached homes | 82.8%±1.8 pts | 72.7% | – |
| Mobile homes | 10.2%±1.4 pts | 8.2% | – |
| Built 2020 or later | 6.8%±1.2 pts | 2.0% | – |
| Built 1939 or earlier | 3.0%±0.8 pts | 6.9% | – |
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 McClain County building?
Builders took permits for 393 new housing units across McClain County in 2025 (381 single-family), 7.9 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in McClain County get to work?
80.1% of McClain County's workers drive alone and 9.6% work from home. The average trip to work takes 27.9 minutes. The unemployment rate in 2020-2024 averaged 4.7%.
| Measure | McClain County | Oklahoma | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 64.2%±1.5 pts | 61.2% | – |
| Unemployment rate | 4.7%±1.1 pts | 5.0% | no clear change |
| Drove alone to work | 80.1%±2.4 pts | 77.4% | – |
| Carpooled | 8.4%±1.8 pts | 9.7% | – |
| Public transportation | 0.1%±0.1 pts | 0.3% | – |
| Walked | 1.2%±0.5 pts | 1.8% | – |
| Worked from home | 9.6%±1.6 pts | 9.4% | +4.0 pts |
| Mean travel time to work | 27.9 min±1.1 | 22.4 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 are McClain County's census tracts?
McClain County is divided into 9 census tracts. Among those with a reliable estimate, median household income runs from $66,197 (Tract 4003) to $106,932 (Tract 4002.04).
| Tract 4001.0340087400103 | 6,085±519 | $90,500 |
|---|---|---|
| Tract 4001.0440087400104 | 5,964±310 | $85,550 |
| Tract 4001.0540087400105 | 5,260±476 | $91,964 |
| Tract 4001.0640087400106 | 6,016±408 | $78,516 |
| Tract 4002.0140087400201 | 4,054±369 | $78,789 |
| Tract 4002.0340087400203 | 5,162±424 | $85,543 |
| Tract 4002.0440087400204 | 5,718±374 | $106,932 |
| Tract 400340087400300 | 5,893±224 | $66,197 |
| Tract 400440087400400 | 1,121±165 | $76,250 |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does McClain County compare with Oklahoma's other counties?
| Measure | Rank |
|---|---|
| Population | 21st of 77 |
| Growth 2020-2025 | 2nd of 77 |
| Residents per square mile | 13th of 77 |
| Median household income | 2nd of 77 |
| Median home value | 1st of 77 |
| Median gross rent | 10th of 77 |
| Poverty rate | 75th of 77 |
| Bachelor's degree or higher | 14th of 77 |
| Median age | 50th of 77 |
Source: PlainCities ranks 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 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 McClain County 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.