• county
  • FIPS 17129
  • Largest town: Petersburg

Menard County, Illinois

Menard County had 11,963 residents in the Census Vintage 2024 estimate, on 314.4 square miles of land. It ranks 83rd of 102 in Illinois by population and 90th by land area.

Population
11,963
#83 of 102 in Illinois · #2,284 in US
Area
314.4 sq mi
#90 of 102 in Illinois · #2,775 in US
Density
38 / sq mi
#62 of 102 in Illinois · #1,718 in US
Median household income
$80,964
#14 of 102 in Illinois · #443 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Menard County within Illinois. Pin: Springfield.

Measure from here

Tools and pages that start from Menard County

Menard County population, land area and income

Menard County had 11,963 residents in the Census Vintage 2024 estimate, on 314.4 square miles of land. It ranks 83rd of 102 in Illinois by population and 90th by land area. That works out to 38.1 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Illinois has 24,447 residents, so Menard County has 49% of the typical county's population.

Its SAIPE 2023 median household income of $80,964 is in the top quarter among 3,143 counties with an estimate.

National rank among 3,144

Population

11,963

3144th1st

2284th of 3,144 (US)

Land area

314 sq mi

3144th1st

2775th of 3,144 (US)

Density

38.1 / sq mi

3144th1st

1718th of 3,144 (US)

Median household income

$80,964

3143rd1st

443rd of 3,143 (US)

Rank within Illinois (102)

Population

11,963

102nd1st

83rd of 102 (IL)

Land area

314 sq mi

102nd1st

90th of 102 (IL)

Density

38.1 / sq mi

102nd1st

62nd of 102 (IL)

Median household income

$80,964

102nd1st

14th of 102 (IL)

How Menard County's population changed since 2020

Menard County lost 309 residents between the July 2020 and July 2024 estimates, a drop of 2.5%. That ranks 73rd of 102 in Illinois for growth. The median Illinois county changed by -1.7%, and the state as a whole by -0.7%.

Since the April 2020 estimates base, Menard County recorded 517 births and 604 deaths, a natural change of -87. Net international migration added +25 and net domestic migration, people moving to or from other US counties, came to -266. The largest single component was domestic migration, which removed 266 people.

12.3k202012.2k202112.1k202212.0k202312.0k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
517
Deaths
604
Net international migration
+25
Net domestic migration
-266
Change, July 2023 to July 2024
-33

Where Menard County is

The Census internal point of Menard County is at 40.022600, -89.794100. It sits in UTM zone 16N. The map shades Illinois's 102 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Menard County outlined. Dots are towns of 1,000+ people with residents in it.

Piatt County: -0.3%Hamilton County: -2.2%Williamson County: -0.1%Edgar County: -2.4%Macoupin County: -2.3%Marshall County: -1.3%Putnam County: +0.0%Richland County: -2.8%Washington County: -1.4%Lee County: -1.5%Douglas County: +0.2%Cook County: -1.6%Effingham County: -0.3%Edwards County: -3.6%Cass County: -2.0%Clay County: -3.4%Knox County: -2.2%LaSalle County: -0.9%Cumberland County: -1.3%Warren County: -3.7%Moultrie County: -0.9%Menard County: -2.5%Fayette County: -1.5%Boone County: -0.0%Lawrence County: -3.2%Marion County: -3.2%Champaign County: +3.0%Clark County: -2.4%Ford County: -0.4%Wayne County: -1.4%Logan County: -1.4%Grundy County: +2.5%Jasper County: -1.8%Crawford County: -1.3%McDonough County: -1.7%Clinton County: +0.5%Perry County: -3.0%Montgomery County: -2.2%Henry County: -2.0%Livingston County: -1.2%Scott County: -3.8%Alexander County: -11.2%Bureau County: -2.2%Brown County: +1.1%Mason County: -3.9%Calhoun County: -4.1%Greene County: -4.3%Coles County: -1.4%Kendall County: +8.2%Lake County: +0.7%Mercer County: -2.2%St. Clair County: -2.3%Wabash County: -3.0%Bond County: -1.7%DuPage County: +0.6%Gallatin County: -5.2%Stephenson County: -3.3%McHenry County: +1.9%White County: -3.0%Saline County: -3.9%Christian County: -2.2%Sangamon County: -1.0%Massac County: -3.6%Macon County: -2.9%Johnson County: -0.0%Jo Daviess County: -2.6%Peoria County: -1.0%DeKalb County: +1.0%Pope County: -1.5%De Witt County: -0.9%Schuyler County: -1.7%Fulton County: -3.1%Ogle County: -0.8%Jersey County: -1.6%Iroquois County: -3.3%Kankakee County: -0.9%Rock Island County: -1.1%Pulaski County: -5.8%Kane County: +0.9%Union County: -2.4%Whiteside County: -1.7%Woodford County: -0.3%Carroll County: -1.5%Adams County: -2.3%Hardin County: -2.6%Madison County: -1.0%Hancock County: -3.1%Monroe County: +0.0%Tazewell County: -1.1%Jackson County: -0.1%Vermilion County: -3.9%Randolph County: -0.6%McLean County: +0.5%Morgan County: -2.6%Shelby County: -1.7%Will County: +1.7%Winnebago County: -0.4%Jefferson County: -2.4%Stark County: -2.2%Henderson County: -4.5%Pike County: -2.6%Franklin County: -1.8%
Change 2020 to 2024
  1. < -3.0%
  2. < -2.2%
  3. < -1.4%
  4. < -0.3%
  5. ≥ -0.3%
no data

Orange pin: Menard County internal point. Dark pin: Springfield.

Internal point

Decimal
40.022600, -89.794100
DMS
40°01'21.36"N 89°47'38.76"W
UTM
16N 261558.6E 4434006.1N
Geohash
dp05stvut
Plus code
86GG26F4+29

Towns in Menard County

2 incorporated places of 1,000+ people have residents in Menard County, 4,059 people together, or 34% of the county. Each figure counts only the part of the town inside Menard County; towns marked "part" extend into another county. The largest is Petersburg with 2,156.

  1. 01Petersburg2,156
  2. 02Athens1,903
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Menard County

The Census 2024 county adjacency file lists 4 neighbors for Menard County. The most populous is Sangamon County, IL, with 194,345 residents. Distances run between Census internal points in a straight line.

Distance to Springfield and the nearest big city

Springfield is 18.4 miles SSE of Menard County's internal point in a straight line. The nearest place of 100,000 or more is Springfield, IL (population 112,949), 17.8 miles away.

Menard County FIPS code

The FIPS code of Menard County is 17129: state code 17 for Illinois plus county code 129. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $80,964.

Questions people ask

What is the population of Menard County, Illinois?

The Census Vintage 2024 estimate for July 1, 2024 is 11,963. That is down 309 people (2.5%) from the July 2020 estimate of 12,272.

What is the FIPS code of Menard County?

17129. The first two digits (17) are Illinois; the last three (129) identify the county.

What is the largest town in Menard County?

Petersburg, with 2,156 residents inside Menard County in 2024.

Which counties border Menard County?

4 county-equivalents border it in the Census 2024 adjacency file: Sangamon County, IL; Logan County, IL; Cass County, IL; Mason County, IL.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.