Jefferson County, Indiana
Jefferson County profile, demographic data, and geographic information.
Local Government & Public Administration
Authoritative general-purpose local government units serving this area
U.S. Census Bureau GUS (2026) / GMAF
| Government Unit | Unit Type | Jurisdiction Role | Contact / Address |
|---|---|---|---|
|
GUS Population: 32,921 (2024)
ID: 125980
|
County | Official County Government |
Contact: JEFFERSON COUNTY AUDITOR
300 E MAIN ST, RM 205, MADISON IN 47250-3595
|
|
TOWNSHIP OF MADISON
GUS Population: 17,851 (2024)
ID: 163937
|
Township | Municipal Government Within County |
Contact: DEPUTY TRUSTEE
504 W 2ND ST, STE 1X, MADISON IN 47250-5709
|
|
GUS Population: 12,108 (2024)
ID: 163568
|
Municipal | Municipal Government Within County |
Contact: MAYOR
101 W MAIN ST, MADISON IN 47250-3776
|
|
TOWNSHIP OF HANOVER
GUS Population: 5,649 (2024)
ID: 103956
|
Township | Municipal Government Within County |
Contact: LUCY J. ANDERSON TRUSTEE
200 SPRUCE LANE, P.O. BOX 252, HANOVER IN 47243-9009
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|
TOWN OF HANOVER
GUS Population: 3,827 (2024)
ID: 207948
|
Municipal | Municipal Government Within County |
Contact: PRESIDENT
PO BOX 288, HANOVER IN 47243-0288
|
|
TOWNSHIP OF REPUBLICAN
GUS Population: 1,623 (2024)
ID: 163939
|
Township | Municipal Government Within County |
Contact: TRUSTEE
11017 W POLK RD, LEXINGTON IN 47138-6835
|
|
TOWNSHIP OF GRAHAM
GUS Population: 1,566 (2024)
ID: 126186
|
Township | Municipal Government Within County |
Contact: TRUSTEE
15245 W BLAKE RD, DEPUTY IN 47230-9249
|
|
TOWNSHIP OF LANCASTER
GUS Population: 1,467 (2024)
ID: 126187
|
Township | Municipal Government Within County |
Contact: TOWNSHIP TRUSTEE
7533 N SR 7, MADISON IN 47250-7936
|
|
TOWNSHIP OF SALUDA
GUS Population: 1,378 (2024)
ID: 163940
|
Township | Municipal Government Within County |
Contact: TRUSTEE
5752 S 850 W, LEXINGTON IN 47138-7462
|
|
TOWNSHIP OF SHELBY
GUS Population: 1,118 (2024)
ID: 103957
|
Township | Municipal Government Within County |
Contact: SHELBY TWP TRUSTEE JEFFERSON CO
4306 E 925 N, MADISON IN 47250-8201
|
|
TOWNSHIP OF SMYRNA
GUS Population: 1,083 (2024)
ID: 126189
|
Township | Municipal Government Within County |
Contact: SMYRNA TOWNSHIP TRUSTEE
7036 W CRAIGMYLE LN, MADISON IN 47250-8150
|
|
TOWNSHIP OF MILTON
GUS Population: 827 (2024)
ID: 163938
|
Township | Municipal Government Within County |
Contact: TOWNSHIP TRUSTEE
6659 E. PLEASANT RIDGE RD, MADISON IN 47250-8509
|
|
TOWNSHIP OF MONROE
GUS Population: 359 (2024)
ID: 126188
|
Township | Municipal Government Within County |
Contact: KYLE HARSIN
6152 N. GRAHAM RD., MADISON IN 47250-9567
|
|
TOWN OF DUPONT
GUS Population: 338 (2024)
ID: 126038
|
Municipal | Municipal Government Within County |
Contact: CLERK/TREASURER
PO BOX 116, DUPONT IN 47231-0116
|
|
TOWN OF BROOKSBURG
GUS Population: 70 (2024)
ID: 103814
|
Municipal | Municipal Government Within County |
Contact: CLERK TREASURER
PO BOX 35, MADISON IN 47250-0035
|