Applications / Mortgage Analytics / Lenders / Illinois / Old Second National Bank / Competition
Old Second National Bank
Aurora, IL · National bank · OCC · $6.9 billion assets · 1,172 loans in 2025
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1,172
loans originated, 2025
1,615
applications, 2025
31
states and territories
0
gaps bigger than at similar lenders
Who Old Second National Bank competes with, by dollars lent in 2025, in its five largest markets and the three it entered most recently. A Pareto chart puts the lenders in order of size and draws their running share, so the reader sees how concentrated each market is: where the line climbs steeply, a few lenders hold most of it.
FIG. 1 — CHICAGO-NAPERVILLE-ELGIN, IL-IN, 2025
Old Second National Bank ranks 55th of 902 lenders in Chicago-Naperville-Elgin, IL-IN, with $243.5M lent: 0.4% of a $59.66B market.
Chicago-Naperville-Elgin, IL-IN is one of its five largest markets. Bars: dollars lent by each of the ten largest lenders, and Old Second National Bank in amber (marked ▶, with its rank when below the ten). Line: the running total of the bars as a share of the whole market, ending at 34% of it.
SOURCE: FFIEC HMDA 2025, DOLLARS LENT ON LOANS ORIGINATED
FIG. 2 — MIAMI-FORT LAUDERDALE-WEST PALM BEACH, FL, 2025
Old Second National Bank ranks 261st of 937 lenders in Miami-Fort Lauderdale-West Palm Beach, FL, with $19.0M lent: 0.0% of a $48.09B market.
Miami-Fort Lauderdale-West Palm Beach, FL is one of its five largest markets. Bars: dollars lent by each of the ten largest lenders, and Old Second National Bank in amber (marked ▶, with its rank when below the ten). Line: the running total of the bars as a share of the whole market, ending at 36% of it.
SOURCE: FFIEC HMDA 2025, DOLLARS LENT ON LOANS ORIGINATED
FIG. 3 — TULSA, OK, 2025
Old Second National Bank ranks 66th of 476 lenders in Tulsa, OK, with $16.3M lent: 0.3% of a $5.53B market.
Tulsa, OK is one of its five largest markets. Bars: dollars lent by each of the ten largest lenders, and Old Second National Bank in amber (marked ▶, with its rank when below the ten). Line: the running total of the bars as a share of the whole market, ending at 43% of it.
SOURCE: FFIEC HMDA 2025, DOLLARS LENT ON LOANS ORIGINATED
FIG. 4 — GREENVILLE-ANDERSON-GREER, SC, 2025
Old Second National Bank ranks 137th of 589 lenders in Greenville-Anderson-Greer, SC, with $10.3M lent: 0.1% of a $7.37B market.
Greenville-Anderson-Greer, SC is one of its five largest markets. Bars: dollars lent by each of the ten largest lenders, and Old Second National Bank in amber (marked ▶, with its rank when below the ten). Line: the running total of the bars as a share of the whole market, ending at 29% of it.
SOURCE: FFIEC HMDA 2025, DOLLARS LENT ON LOANS ORIGINATED
FIG. 5 — DETROIT-WARREN-DEARBORN, MI, 2025
Old Second National Bank ranks 198th of 599 lenders in Detroit-Warren-Dearborn, MI, with $9.7M lent: 0.0% of a $25.80B market.
Detroit-Warren-Dearborn, MI is one of its five largest markets. Bars: dollars lent by each of the ten largest lenders, and Old Second National Bank in amber (marked ▶, with its rank when below the ten). Line: the running total of the bars as a share of the whole market, ending at 50% of it.
SOURCE: FFIEC HMDA 2025, DOLLARS LENT ON LOANS ORIGINATED
FIG. 6 — OLYMPIA-LACEY-TUMWATER, WA, 2025
Old Second National Bank ranks 66th of 303 lenders in Olympia-Lacey-Tumwater, WA, with $7.4M lent: 0.3% of a $2.95B market.
Olympia-Lacey-Tumwater, WA is one of the three markets it entered most recently. Bars: dollars lent by each of the ten largest lenders, and Old Second National Bank in amber (marked ▶, with its rank when below the ten). Line: the running total of the bars as a share of the whole market, ending at 45% of it.
SOURCE: FFIEC HMDA 2025, DOLLARS LENT ON LOANS ORIGINATED
FIG. 7 — LAS CRUCES, NM, 2025
Old Second National Bank ranks 174th of 231 lenders in Las Cruces, NM, with $355K lent: 0.0% of a $1.02B market.
Las Cruces, NM is one of the three markets it entered most recently. Bars: dollars lent by each of the ten largest lenders, and Old Second National Bank in amber (marked ▶, with its rank when below the ten). Line: the running total of the bars as a share of the whole market, ending at 49% of it.
SOURCE: FFIEC HMDA 2025, DOLLARS LENT ON LOANS ORIGINATED
FIG. 8 — BILLINGS, MT, 2025
Old Second National Bank ranks 179th of 201 lenders in Billings, MT, with $255K lent: 0.0% of a $1.35B market.
Billings, MT is one of the three markets it entered most recently. Bars: dollars lent by each of the ten largest lenders, and Old Second National Bank in amber (marked ▶, with its rank when below the ten). Line: the running total of the bars as a share of the whole market, ending at 52% of it.
SOURCE: FFIEC HMDA 2025, DOLLARS LENT ON LOANS ORIGINATED
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Old Second National Bank and its peers, 2018–2025: every application in the HMDA data, cleaned and corrected, as Parquet files, with the Jenner programs that made these pages.
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Every mortgage application reported under HMDA from 1990 to 2025, cleaned and corrected, every lender followed across name changes and mergers, with the market-share and fair-lending tables behind these pages and the Jenner programs that built them: the warehouse and the datamart, as Parquet files.
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