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Cook County, Illinois / County Assessor

Agency file

County Assessor

Source file: Cook County, Illinois — Employee Payroll / ingested Jun 19, 2026

The County Assessor is a government agency that delivers public services and programs within its jurisdiction.

In 2018, this agency had 271 employees with median total compensation of $17,235; the highest distinct record was $37,413.

Year
2018
Total payroll
$5.1M
Employees
271
Median total
$17,235
Highest record
$37,413

What the records show

Compensation analytics

These summaries compare pay within the agency before listing individual records.

Salary distribution

How 2018 total compensation is spread across the 271 employees. Each bar is a pay range; taller bars mean more people earn in that range. The amber line marks the median ($17,235) — half earn less, half more. The far-right bar collects the highest earners.

Average pay composition

  • Base — $18,863 (100%)
  • Overtime — $0 (0%)
  • Other — $0 (0%)
  • Benefits — $0 (0%)

What an average paycheck here is made of — base salary versus overtime, other pay (bonuses, allowances), and benefits. A large overtime or other-pay share means take-home often exceeds base salary.

Pay percentiles

10th
25th
Median
75th
90th
$12,136
$13,993
$17,235
$22,893
$29,267

The pay ladder for this department. Someone at the 90th percentile earns $29,267 — more than 90% of the department; the 10th percentile earns $12,136. The shaded band is the middle half of employees (25th–75th percentile).

Largest job titles

Support Staff Iii-Assessor
17 · $13,094
Residential Junior Analyst I
10 · $14,216
Taxpayer Information Junior Specialist
10 · $13,001
Taxpayer Information Senior Special I
8 · $15,286
Ic Valuations Group Leader III
6 · $25,709

The most common job titles in this department by headcount, with the median total compensation for each. Click a title to see everyone who holds it.

Trend

Year over year

How this department's total payroll, headcount, and median pay changed across the 3 published years.

YearTotal payrollEmployeesMedian pay
2016
$5.4M
—
309
—
$16,363
—
2017
$5.4M
▲ 0.9%
286
▼ 7.4%
$17,235
▲ 5.3%
2018
$5.1M
▼ 5.3%
271
▼ 5.2%
$17,235
±0%

Record list

Employees

Page 1

Ivory Copperidge

Erroneous Exemption Specialist/County Assessor

2018 total comp
$5,832
Base pay
$5,832
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$5,832
Hire date
2013-07-12

Source-specific fields

Employee Identifier
6b541a2a-f156-4c76-a59a-e8252a3fc2bb
Fiscal Period
2018Q1
Fiscal Quarter
1
Job Code
6428
Office
1040
Position Id
1400173

Ivory Copperidge works as a Erroneous Exemption Specialist for County Assessor. They have served since 2013 (about 5 years). Ivory earned $5,832 in 2018.

Corlissia Cook

Support Staff Iii-Assessor/County Assessor

2016 total comp
$5,788
Base pay
$5,788
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$5,788
Hire date
2003-04-07
Middle name
T

Source-specific fields

Employee Identifier
ad9d9068-93cd-481c-a2cc-40d9fadef46c
Fiscal Period
2016Q4
Fiscal Quarter
4
Job Code
4909
Office
1040
Position Id
9500962

At County Assessor, Corlissia Cook serves as a Support Staff Iii-Assessor. They have served since 2003 (about 13 years). Their 2016 pay totaled $5,788.

Laura Perry

Support Staff Iii-Assessor/County Assessor

2016 total comp
$5,750
Base pay
$5,750
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$5,750
Hire date
1990-06-04

Source-specific fields

Employee Identifier
ee56cf80-0340-4f5c-922b-9b73737a9c5b
Fiscal Period
2016Q4
Fiscal Quarter
4
Job Code
4909
Office
1040
Position Id
9501144

Laura Perry works as a Support Staff Iii-Assessor for County Assessor. Their tenure dates to 1990, about 26 years. Laura earned $5,750 in 2016.

Michael Sobczak

Deputy Asr Chief Assment Op & Administrative/County Assessor

2018 total comp
$5,345
Base pay
$5,345
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$5,345
Hire date
1991-04-08
Middle name
J

Source-specific fields

Employee Identifier
697d62df-d32f-4bbc-be01-723cb1ce45e5
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
5182
Office
1040
Position Id
9900954

At County Assessor, Michael Sobczak serves as a Deputy Asr Chief Assment Op & Administrative. They have served since 1991 (about 27 years). Their 2018 pay totaled $5,345.

Sheila Grayson

Support Staff Iii-Assessor/County Assessor

2018 total comp
$5,114
Base pay
$5,114
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$5,114
Hire date
2016-06-13
Middle name
D

Source-specific fields

Employee Identifier
500a2f4a-da93-45c5-a5fb-380fa311a2e4
Fiscal Period
2018Q1
Fiscal Quarter
1
Job Code
4909
Office
1040
Position Id
9500947

Sheila Grayson works as a Support Staff Iii-Assessor for County Assessor. They have served since 2016 (about 2 years). Sheila earned $5,114 in 2018.

Laurie Papp

Executive Assistant - Assessor/County Assessor

2018 total comp
$4,841
Base pay
$4,841
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$4,841
Hire date
2014-06-16

Source-specific fields

Employee Identifier
fc2c8cf2-c5c6-4758-958e-e89ab58be883
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
5143
Office
1040
Position Id
9500720

Laurie Papp holds the role of Executive Assistant - Assessor at County Assessor. Their tenure dates to 2014, about 4 years. In 2018, their total compensation was $4,841.

Joseph Berrios

Manager of Residential Field/County Assessor

2017 total comp
$4,737
Base pay
$4,737
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$4,737
Hire date
1980-11-17

Source-specific fields

Employee Identifier
26d5134e-19f5-4a1e-8adb-16c0ca7edc2e
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
4
Office
1040
Position Id
9500699

At County Assessor, Joseph Berrios serves as a Manager of Residential Field. They have served since 1980 (about 37 years). Their 2017 pay totaled $4,737.

Rita Racine

Residential Group Leader II/County Assessor

2018 total comp
$4,652
Base pay
$4,652
Overtime
$0
Other pay
$0
Benefits
$0
Total compensation
$4,652
Hire date
2002-08-12
Middle name
A

Source-specific fields

Employee Identifier
23979c6e-3bd1-408d-8035-bc911db1f83c
Fiscal Period
2018Q2
Fiscal Quarter
2
Job Code
5026
Office
1040
Position Id
9701166

Rita Racine works as a Residential Group Leader II for County Assessor. Their tenure dates to 2002, about 16 years. Rita earned $4,652 in 2018.