County · Illinois

Montgomery County, Illinois

Montgomery County, Illinois. Montgomery County had 28,076 residents in 2025 by the Census Bureau's estimate, down 0.9% since 2020, in line with Illinois (−0.8%). It holds 37 places (20 cities, villages and boroughs and 17 towns and townships) and 8 census tracts. GEOID 17135.

Residents, July 2025 estimate

28,076

Census Bureau estimate (no margin published)
2020 Census count: 28,288 · ACS 2020-2024: 27,942

Median household income

$63,620

±$4,881 (90% margin)
Illinois: $83,390

Median home value

$112,300

±$7,660 (90% margin)
Illinois: $263,300

Median gross rent

$723

±$37 (90% margin)
Illinois: $1,274

How many people live in Montgomery County, and is it growing?

The 2020 Census counted 28,288 residents in Montgomery County. The Census Bureau estimates 28,076 for July 1, 2025, down 0.9% since 2020, in line with Illinois (−0.8%). The 2020-2024 American Community Survey puts the population at 27,942 over 704 square miles of land.

July 2020→2021 −116 (28,128)
2021→2022 −170 (27,958)
2022→2023 −167 (27,791)
2023→2024 +46 (27,837)
2024→2025 +239 (28,076)

Montgomery County in Illinois. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Montgomery County	Illinois	Change since 2015-2019
Total population	27,942	12,694,798	−886
Households	11,319±276	5,036,449	no clear change
Average household size	2.27±0.05	2.46	no clear change
Housing units	12,495±109	5,457,452	−628

Montgomery County's population since 2000

From 30,652 in 2000 to 28,076 in 2025: down 8.4%. 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.

2000 Census 30,652
2005 (estimate) 30,288
2010 Census 30,104
2015 (estimate) 29,196
2020 Census 28,288
2025 (estimate) 28,076

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 Montgomery County?

Montgomery County holds 37 places: 20 cities, villages and boroughs (incorporated places) and 17 towns and townships (county subdivisions with their own government). The largest is Litchfield with 6,598 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Montgomery County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Litchfield	city	6,605	6,834±300	$53,958	$104,200	16.3%	100%
Hillsboro Township	township	6,563	6,875±35	$51,215	$101,800	11.4%	100%
Hillsboro	city	5,902	5,803±277	$50,158	$111,700	11.6%	100%
North Litchfield Township	township	4,939	4,875±30	$72,857	$126,000	10.8%	100%
South Litchfield Township	township	3,273	3,260±47	$37,279	$110,900	19.5%	100%
Nokomis Township	township	2,783	2,779±28	$63,167	$90,000	8.0%	100%
East Fork Township, Montgomery County	township	2,450	2,133±290	$68,250	$123,500	13.1%	100%
Nokomis	city	2,142	2,147±164	$60,326	$83,900	9.4%	100%
Raymond Township, Montgomery County	township	1,126	1,113±267	$63,500	$100,400	21.5%	100%
Witt Township	township	1,038	1,164±213	$61,856	$54,000	16.8%	100%
Raymond	village	949	1,030±236	$66,591	$108,200	23.2%	100%
Bois D'Arc Township	township	924	904±239	$77,063	$132,600	5.8%	100%
Irving Township	township	860	747±176	$79,167	$171,200	11.0%	100%
Witt	city	785	875±190	$52,500	$50,700	22.3%	100%
Butler Grove TownshipGEOID 1713510175	township	747	799±263	$64,436	$168,600	8.6%	100%
Taylor Springs	village	724	633±125	$45,000	$67,400	19.7%	100%
Farmersville	village	689	763±226	$63,750	$116,900	6.9%	100%
Coffeen	city	647	592±156	$72,500	$60,800	21.0%	100%
Grisham Township	township	628	559±158	$82,554	$67,400	15.7%	100%
Schram City	village	563	578±166	$51,250	$94,300	16.3%	100%
Audubon TownshipGEOID 1713502960	township	516	354±136	$60,972	not published	12.1%	100%
Zanesville TownshipGEOID 1713584129	township	443	416±166	$145,625	$186,000	2.0%	100%
Pitman TownshipGEOID 1713560183	township	412	374±169	$93,000	not published	8.6%	100%
Irving	village	373	355±124	$70,625	$43,100	10.4%	100%
CoaltonGEOID 1715209	village	317	357±114	$76,875	$92,300	5.9%	100%
Walshville TownshipGEOID 1713578669	township	309	317±156	$84,194	$210,900	4.4%	100%
FillmoreGEOID 1726077	village	305	241±59	$47,813	$66,400	16.6%	100%
Rountree TownshipGEOID 1713566092	township	247	152±66	$66,618	$155,800	18.4%	100%
Panama	village	337	420±133	$72,917	$54,700	9.5%	64%
Harvel TownshipGEOID 1713533370	township	198	264±131	$93,611	$127,500	14.0%	100%
WaggonerGEOID 1778383	village	181	169±74	$70,417	$37,500	18.9%	100%
ButlerGEOID 1710149	village	164	194±121	$51,927	$83,200	4.6%	100%
DonnellsonGEOID 1720318	village	153	129±74	$45,875	$51,700	41.9%	95%
HarvelGEOID 1733357	village	178	201±71	$61,250	$55,000	23.9%	67%
OhlmanGEOID 1755418	village	109	59±26	$46,250	$46,200	15.3%	100%
WalshvilleGEOID 1778656	village	61	158±124	$72,917	not published	8.9%	100%
WenonahGEOID 1779826	village	32	29±20	$98,125	$125,000	0.0%	100%

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 Montgomery County?

The median resident of Montgomery County is 42.8 years old; 20.1% are under 18 and 21.5% are 65 or older. The largest group is non-Hispanic white residents at 91.7%, then non-Hispanic Black residents at 3.3%. 0.8% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Montgomery County	Illinois	Change since 2015-2019
Median age	42.8±0.5	39.0	no clear change
Under 18 years	20.1%±0.2 pts	21.8%	–
65 years and over	21.5%±0.3 pts	17.0%	–
Hispanic or Latino (any race)	2.2%	18.8%	+0.4 pts
White alone, not Hispanic	91.7%±0.4 pts	58.1%	−1.6 pts
Black or African American alone, not Hispanic	3.3%±0.5 pts	13.3%	no clear change
Asian alone, not Hispanic	0.4%±0.2 pts	5.9%	no clear change
American Indian and Alaska Native alone, not Hispanic	0.1%±0.1 pts	0.1%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.1 pts	0.0%	–
Two or more races, not Hispanic	2.1%±0.6 pts	3.4%	–
Some other race alone, not Hispanic	0.2%±0.3 pts	0.4%	–
Born outside the United States	0.8%±0.4 pts	14.7%	no clear change
Speak a language other than English at home (age 5+)	2.5%±0.6 pts	24.0%	–
Civilian veterans (age 18+)	8.6%±1.1 pts	4.8%	–
With a disability	16.6%±1.7 pts	12.1%	–
No health insurance coverage	4.5%±0.8 pts	6.9%	no clear change
High school graduate or higher (age 25+)	90.2%±1.4 pts	90.5%	–
Bachelor's degree or higher (age 25+)	18.3%±1.8 pts	37.8%	no clear change
Graduate or professional degree (age 25+)	6.2%±1.0 pts	15.3%	–
Moved from another state in the past year	0.9%±0.4 pts	1.6%	–

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 Montgomery County earn?

Half of Montgomery County's 11,319 households earn less than $63,620 a year (±$4,881), against $83,390 in Illinois. In 2015-2019 it was $64,917 in 2024 dollars; the margins of error cannot tell the two periods apart. 12.6% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Montgomery County	Illinois	Change since 2015-2019
Median household income	$63,620±$4,881	$83,390	no clear change
Mean household income	$81,686±$4,998	$115,638	–
Per capita income	$33,451±$1,857	$46,406	no clear change
People below the poverty line	12.6%±1.8 pts	11.8%	−4.0 pts
Children under 18 below the poverty line	13.9%±3.9 pts	15.1%	−14.5 pts
Households receiving SNAP	15.4%±1.8 pts	13.8%	–
Households with a broadband subscription	84.5%±2.1 pts	90.8%	–

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 Montgomery County?

Owners occupy 77.4% of Montgomery County's occupied homes and renters 22.6%. The median owner-occupied home is valued at $112,300 by its owner (±$7,660). The median renter pays $723 a month including utilities, and 34.0% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Montgomery County	Illinois	Change since 2015-2019
Median home value (owner-occupied)	$112,300±$7,660	$263,300	no clear change
Median gross rent	$723±$37	$1,274	no clear change
Renters paying 35% or more of income on rent	34.0%±8.2 pts	39.0%	no clear change
Median monthly owner costs, with a mortgage	$1,199±$50	$1,987	–
Owner-occupied homes	77.4%±2.6 pts	67.1%	no clear change
Housing units	12,495±109	5,457,452	−628
Homeowner vacancy rate	1.3%±0.8 pts	1.0%	–
Rental vacancy rate	7.5%±4.0 pts	5.0%	–
Single-family detached homes	82.5%±2.4 pts	58.2%	–
Mobile homes	6.1%±1.3 pts	2.3%	–
Built 2020 or later	0.5%±0.3 pts	0.7%	–
Built 1939 or earlier	26.5%±2.4 pts	20.2%	–

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 Montgomery County building?

Builders took permits for 11 new housing units across Montgomery County in 2025 (11 single-family), 0.4 per 1,000 residents.

2019 27 units
2020 25 units
2021 22 units
2022 10 units
2023 21 units
2024 9 units
2025 11 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Montgomery County get to work?

81.2% of Montgomery County's workers drive alone and 9.0% work from home. The average trip to work takes 22.8 minutes. The unemployment rate in 2020-2024 averaged 4.7%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Montgomery County	Illinois	Change since 2015-2019
In the labor force (age 16+)	52.5%±1.6 pts	65.0%	–
Unemployment rate	4.7%±1.1 pts	5.8%	no clear change
Drove alone to work	81.2%±2.9 pts	65.9%	–
Carpooled	5.6%±1.5 pts	7.8%	–
Public transportation	0.0%±0.1 pts	5.8%	–
Walked	2.8%±1.8 pts	2.8%	–
Worked from home	9.0%±1.9 pts	15.9%	+4.4 pts
Mean travel time to work	22.8 min±1.5	27.8 min	−2.2 min

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 Montgomery County's census tracts?

Montgomery County is divided into 8 census tracts. Among those with a reliable estimate, median household income runs from $35,686 (Tract 9578) to $96,184 (Tract 9576).

Census tracts of Montgomery County, ACS 2020-2024 5-year estimates; sort by any column

Tract 957317135957300	Nokomis (47%)	3,286	3,133±138	$62,390	$90,300	$901	8.4%
Tract 957417135957400	Witt (24%)	2,236	2,280±229	$65,521	$85,900	$704	13.5%
Tract 957517135957500	Raymond (16%)	2,990	3,028±362	$83,654	$120,000	$783	12.2%
Tract 957617135957600	Litchfield (17%)	3,455	3,288±343	$96,184	$216,600	not published	3.8%
Tract 957717135957700	Litchfield (89%)	2,935	2,952±258	$60,313	$110,400	$745	14.2%
Tract 957817135957800	Litchfield (97%)	3,217	3,285±358	$35,686	$91,000	$633	21.5%
Tract 957917135957900	Hillsboro (64%)	4,590	4,596±321	$51,061	$115,500	$722	12.2%
Tract 958017135958000	Taylor Springs (11%)	5,579	5,380±278	$65,865	$88,000	$762	15.7%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Montgomery County compare with Illinois's other counties?

Montgomery County's rank among Illinois's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	48th of 102
Growth 2020-2025	26th of 102
Residents per square mile	59th of 102
Median household income	66th of 102
Median home value	74th of 102
Median gross rent	87th of 102
Poverty rate	51st of 102
Bachelor's degree or higher	78th of 102
Median age	46th of 102

Every county in Illinois

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 Montgomery 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.